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authorSander Vrijders <sander.vrijders@intec.ugent.be>2016-06-21 09:54:37 +0200
committerSander Vrijders <sander.vrijders@intec.ugent.be>2016-06-21 09:54:37 +0200
commitaa6255a605cac034089c78562c0d000aacd0af1e (patch)
tree9a76d884afc10c276c0b4e3af989d68a9556551b /src
parent34f96731f5fb8ab8a1f7018366fc28fd041d73e2 (diff)
parenta46114ec01e8d174a41744f4f1b49905613847dc (diff)
downloadouroboros-aa6255a605cac034089c78562c0d000aacd0af1e.tar.gz
ouroboros-aa6255a605cac034089c78562c0d000aacd0af1e.zip
Merged in dstaesse/ouroboros/be-robust (pull request #135)
lib, irmd, ipcp: robust mutexes
Diffstat (limited to 'src')
-rw-r--r--src/ipcpd/ipcp.c2
-rw-r--r--src/ipcpd/ipcp.h5
-rw-r--r--src/ipcpd/local/main.c121
-rw-r--r--src/ipcpd/shim-eth-llc/main.c187
-rw-r--r--src/ipcpd/shim-udp/main.c219
-rw-r--r--src/irmd/main.c464
-rw-r--r--src/lib/CMakeLists.txt1
-rw-r--r--src/lib/dev.c141
-rw-r--r--src/lib/rw_lock.c127
-rw-r--r--src/lib/shm_du_map.c32
10 files changed, 604 insertions, 695 deletions
diff --git a/src/ipcpd/ipcp.c b/src/ipcpd/ipcp.c
index 5a621391..901abae6 100644
--- a/src/ipcpd/ipcp.c
+++ b/src/ipcpd/ipcp.c
@@ -40,7 +40,7 @@ struct ipcp * ipcp_instance_create()
i->irmd_fd = -1;
i->state = IPCP_INIT;
- rw_lock_init(&i->state_lock);
+ pthread_rwlock_init(&i->state_lock, NULL);
return i;
}
diff --git a/src/ipcpd/ipcp.h b/src/ipcpd/ipcp.h
index 63f9677a..1e9e9763 100644
--- a/src/ipcpd/ipcp.h
+++ b/src/ipcpd/ipcp.h
@@ -23,7 +23,8 @@
#ifndef IPCPD_IPCP_H
#define IPCPD_IPCP_H
-#include <ouroboros/rw_lock.h>
+#include <ouroboros/config.h>
+#include <pthread.h>
#include "ipcp-ops.h"
#include "ipcp-data.h"
@@ -41,7 +42,7 @@ struct ipcp {
int irmd_fd;
enum ipcp_state state;
- rw_lock_t state_lock;
+ pthread_rwlock_t state_lock;
};
struct ipcp * ipcp_instance_create();
diff --git a/src/ipcpd/local/main.c b/src/ipcpd/local/main.c
index 43ca14da..1e033a21 100644
--- a/src/ipcpd/local/main.c
+++ b/src/ipcpd/local/main.c
@@ -33,7 +33,6 @@
#include <ouroboros/bitmap.h>
#include <ouroboros/flow.h>
#include <ouroboros/dev.h>
-#include <ouroboros/rw_lock.h>
#define OUROBOROS_PREFIX "ipcpd/local"
@@ -76,7 +75,7 @@ struct shim_ap_data {
int in_out[AP_MAX_FLOWS];
struct flow flows[AP_MAX_FLOWS];
- rw_lock_t flows_lock;
+ pthread_rwlock_t flows_lock;
pthread_t mainloop;
pthread_t sduloop;
@@ -137,7 +136,7 @@ static int shim_ap_init(char * ap_name)
_ap_instance->in_out[i] = -1;
}
- rw_lock_init(&_ap_instance->flows_lock);
+ pthread_rwlock_init(&_ap_instance->flows_lock, NULL);
return 0;
}
@@ -149,7 +148,7 @@ void shim_ap_fini()
if (_ap_instance == NULL)
return;
- rw_lock_wrlock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&_ipcp->state_lock);
if (_ipcp->state != IPCP_SHUTDOWN)
LOG_WARN("Cleaning up AP while not in shutdown.");
@@ -163,14 +162,14 @@ void shim_ap_fini()
if (_ap_instance->rb != NULL)
shm_ap_rbuff_destroy(_ap_instance->rb);
- rw_lock_wrlock(&_ap_instance->flows_lock);
+ pthread_rwlock_wrlock(&_ap_instance->flows_lock);
for (i = 0; i < AP_MAX_FLOWS; i ++)
if (_ap_instance->flows[i].rb != NULL)
shm_ap_rbuff_close(_ap_instance->flows[i].rb);
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
free(_ap_instance);
}
@@ -206,18 +205,18 @@ static void * ipcp_local_sdu_loop(void * o)
continue;
}
- rw_lock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
if (_ipcp->state != IPCP_ENROLLED) {
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return (void *) 1; /* -ENOTENROLLED */
}
- rw_lock_rdlock(&_ap_instance->flows_lock);
+ pthread_rwlock_rdlock(&_ap_instance->flows_lock);
fd = _ap_instance->in_out[port_id_to_fd(e->port_id)];
if (fd == -1) {
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
free(e);
continue;
}
@@ -226,8 +225,8 @@ static void * ipcp_local_sdu_loop(void * o)
while (shm_ap_rbuff_write(_ap_instance->flows[fd].rb, e) < 0)
;
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
}
return (void *) 1;
@@ -249,14 +248,14 @@ void ipcp_sig_handler(int sig, siginfo_t * info, void * c)
LOG_DBG("Terminating by order of %d. Bye.",
info->si_pid);
- rw_lock_wrlock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&_ipcp->state_lock);
if (_ipcp->state == IPCP_ENROLLED)
clean_threads = true;
_ipcp->state = IPCP_SHUTDOWN;
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
if (clean_threads) {
pthread_cancel(_ap_instance->sduloop);
@@ -278,12 +277,12 @@ static int ipcp_local_bootstrap(struct dif_config * conf)
}
if (_ipcp->state != IPCP_INIT) {
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_ERR("IPCP in wrong state.");
return -1;
}
- rw_lock_wrlock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&_ipcp->state_lock);
_ipcp->state = IPCP_ENROLLED;
@@ -292,7 +291,7 @@ static int ipcp_local_bootstrap(struct dif_config * conf)
ipcp_local_sdu_loop,
NULL);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBG("Bootstrapped local IPCP with pid %d.",
getpid());
@@ -302,25 +301,25 @@ static int ipcp_local_bootstrap(struct dif_config * conf)
static int ipcp_local_name_reg(char * name)
{
- rw_lock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
if (_ipcp->state != IPCP_ENROLLED) {
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("Won't register with non-enrolled IPCP.");
return -1; /* -ENOTENROLLED */
}
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
- rw_lock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
if (ipcp_data_add_reg_entry(_ipcp->data, name)) {
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("Failed to add %s to local registry.", name);
return -1;
}
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBG("Registered %s.", name);
@@ -329,11 +328,11 @@ static int ipcp_local_name_reg(char * name)
static int ipcp_local_name_unreg(char * name)
{
- rw_lock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
ipcp_data_del_reg_entry(_ipcp->data, name);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return 0;
}
@@ -356,26 +355,26 @@ static int ipcp_local_flow_alloc(pid_t n_pid,
/* This ipcpd has all QoS */
- rw_lock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
if (_ipcp->state != IPCP_ENROLLED) {
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("Won't allocate flow with non-enrolled IPCP.");
return -1; /* -ENOTENROLLED */
}
rb = shm_ap_rbuff_open(n_pid);
if (rb == NULL) {
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return -1; /* -ENORBUFF */
}
- rw_lock_wrlock(&_ap_instance->flows_lock);
+ pthread_rwlock_wrlock(&_ap_instance->flows_lock);
in_fd = bmp_allocate(_ap_instance->fds);
if (!bmp_is_id_valid(_ap_instance->fds, in_fd)) {
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return -EMFILE;
}
@@ -391,8 +390,8 @@ static int ipcp_local_flow_alloc(pid_t n_pid,
src_ae_name);
if (port_id < 0) {
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_ERR("Could not get port id from IRMd");
/* shm_ap_rbuff_close(n_pid); */
return -1;
@@ -401,8 +400,8 @@ static int ipcp_local_flow_alloc(pid_t n_pid,
out_fd = bmp_allocate(_ap_instance->fds);
if (!bmp_is_id_valid(_ap_instance->fds, out_fd)) {
/* shm_ap_rbuff_close(n_pid); */
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return -1; /* -ENOMOREFDS */
}
@@ -413,8 +412,8 @@ static int ipcp_local_flow_alloc(pid_t n_pid,
_ap_instance->in_out[in_fd] = out_fd;
_ap_instance->in_out[out_fd] = in_fd;
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("Pending local allocation request, port_id %d.", port_id);
@@ -433,23 +432,23 @@ static int ipcp_local_flow_alloc_resp(pid_t n_pid,
if (response)
return 0;
- rw_lock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
/* awaken pending flow */
- rw_lock_wrlock(&_ap_instance->flows_lock);
+ pthread_rwlock_wrlock(&_ap_instance->flows_lock);
in_fd = port_id_to_fd(port_id);
if (in_fd < 0) {
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("Could not find flow with port_id %d.", port_id);
return -1;
}
if (_ap_instance->flows[in_fd].state != FLOW_PENDING) {
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("Flow was not pending.");
return -1;
}
@@ -460,8 +459,8 @@ static int ipcp_local_flow_alloc_resp(pid_t n_pid,
_ap_instance->flows[in_fd].state = FLOW_NULL;
_ap_instance->flows[in_fd].port_id = -1;
_ap_instance->in_out[in_fd] = -1;
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return -1;
}
@@ -472,24 +471,24 @@ static int ipcp_local_flow_alloc_resp(pid_t n_pid,
out_fd = _ap_instance->in_out[in_fd];
if (out_fd < 0) {
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("No pending local flow with port_id %d.", port_id);
return -1;
}
if (_ap_instance->flows[out_fd].state != FLOW_PENDING) {
/* FIXME: clean up other end */
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("Flow was not pending.");
return -1;
}
_ap_instance->flows[out_fd].state = FLOW_ALLOCATED;
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
if ((ret = ipcp_flow_alloc_reply(getpid(),
_ap_instance->flows[out_fd].port_id,
@@ -509,13 +508,13 @@ static int ipcp_local_flow_dealloc(int port_id)
int fd = -1;
struct shm_ap_rbuff * rb;
- rw_lock_rdlock(&_ipcp->state_lock);
- rw_lock_wrlock(&_ap_instance->flows_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&_ap_instance->flows_lock);
fd = port_id_to_fd(port_id);
if (fd < 0) {
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("Could not find flow with port_id %d.", port_id);
return 0;
}
@@ -532,12 +531,12 @@ static int ipcp_local_flow_dealloc(int port_id)
rb = _ap_instance->flows[fd].rb;
_ap_instance->flows[fd].rb = NULL;
- rw_lock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
if (rb != NULL)
shm_ap_rbuff_close(rb);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("Flow with port_id %d deallocated.", port_id);
@@ -632,7 +631,7 @@ int main (int argc, char * argv[])
exit(1);
}
- rw_lock_wrlock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&_ipcp->state_lock);
pthread_sigmask(SIG_BLOCK, &sigset, NULL);
@@ -640,7 +639,7 @@ int main (int argc, char * argv[])
pthread_sigmask(SIG_UNBLOCK, &sigset, NULL);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
pthread_join(_ap_instance->mainloop, NULL);
diff --git a/src/ipcpd/shim-eth-llc/main.c b/src/ipcpd/shim-eth-llc/main.c
index 7ff59cde..9bd6920b 100644
--- a/src/ipcpd/shim-eth-llc/main.c
+++ b/src/ipcpd/shim-eth-llc/main.c
@@ -36,7 +36,6 @@
#include <ouroboros/bitmap.h>
#include <ouroboros/flow.h>
#include <ouroboros/dev.h>
-#include <ouroboros/rw_lock.h>
#define OUROBOROS_PREFIX "ipcpd/shim-eth-llc"
@@ -104,7 +103,7 @@ struct eth_llc_ipcp_data {
int tx_offset;
struct eth_llc_flow flows[AP_MAX_FLOWS];
- rw_lock_t flows_lock;
+ pthread_rwlock_t flows_lock;
pthread_t mainloop;
pthread_t sdu_writer;
@@ -159,7 +158,7 @@ struct eth_llc_ipcp_data * eth_llc_ipcp_data_create()
return NULL;
}
- rw_lock_init(&eth_llc_data->flows_lock);
+ pthread_rwlock_init(&eth_llc_data->flows_lock, NULL);
return eth_llc_data;
}
@@ -171,7 +170,7 @@ void eth_llc_ipcp_data_destroy()
if (_ipcp == NULL)
return;
- rw_lock_wrlock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&_ipcp->state_lock);
if (_ipcp->state != IPCP_SHUTDOWN)
LOG_WARN("Cleaning up while not in shutdown.");
@@ -185,14 +184,14 @@ void eth_llc_ipcp_data_destroy()
if (shim_data(_ipcp)->saps != NULL)
bmp_destroy(shim_data(_ipcp)->saps);
- rw_lock_wrlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_wrlock(&shim_data(_ipcp)->flows_lock);
for (i = 0; i < AP_MAX_FLOWS; i ++)
if (ipcp_flow(i)->rb != NULL)
shm_ap_rbuff_close(ipcp_flow(i)->rb);
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
free(_ipcp->data);
}
@@ -440,13 +439,13 @@ static int eth_llc_ipcp_port_req(uint8_t r_sap,
ssize_t index = 0;
int i;
- rw_lock_wrlock(&_ipcp->state_lock);
- rw_lock_wrlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_wrlock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&shim_data(_ipcp)->flows_lock);
index = bmp_allocate(shim_data(_ipcp)->indices);
if (index < 0) {
- rw_lock_unlock(&_ipcp->state_lock);
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
LOG_ERR("Out of free indices.");
return -1;
}
@@ -458,8 +457,8 @@ static int eth_llc_ipcp_port_req(uint8_t r_sap,
if (port_id < 0) {
bmp_release(shim_data(_ipcp)->indices, index);
- rw_lock_unlock(&_ipcp->state_lock);
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
LOG_ERR("Could not get port id from IRMd.");
return -1;
}
@@ -472,8 +471,8 @@ static int eth_llc_ipcp_port_req(uint8_t r_sap,
shim_data(_ipcp)->flows[index].r_addr[i] = r_addr[i];
}
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBG("New flow request, port_id %d, remote SAP %d.", port_id, r_sap);
@@ -490,20 +489,20 @@ static int eth_llc_ipcp_port_alloc_reply(uint8_t ssap,
int port_id = -1;
int i;
- rw_lock_rdlock(&_ipcp->state_lock);
- rw_lock_rdlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_rdlock(&shim_data(_ipcp)->flows_lock);
index = sap_to_index(ssap);
if (index < 0) {
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_ERR("No flow found with that SAP.");
return -1; /* -EFLOWNOTFOUND */
}
if (ipcp_flow(index)->state != FLOW_PENDING) {
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return -1; /* -EFLOWNOTPENDING */
}
@@ -519,8 +518,8 @@ static int eth_llc_ipcp_port_alloc_reply(uint8_t ssap,
}
}
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBG("Flow reply, port_id %d, remote SAP %d.", port_id, dsap);
@@ -540,13 +539,13 @@ static int eth_llc_ipcp_flow_dealloc_req(uint8_t ssap,
int port_id = -1;
int i = 0;
- rw_lock_rdlock(&_ipcp->state_lock);
- rw_lock_wrlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&shim_data(_ipcp)->flows_lock);
i = sap_to_index(ssap);
if (i < 0) {
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_ERR("No flow found for remote deallocation request.");
return 0;
}
@@ -554,8 +553,8 @@ static int eth_llc_ipcp_flow_dealloc_req(uint8_t ssap,
port_id = ipcp_flow(i)->port_id;
destroy_ipcp_flow(i);
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
ipcp_flow_dealloc(0, port_id);
@@ -633,14 +632,14 @@ static void * eth_llc_ipcp_sdu_reader(void * o)
memset(br_addr, 0xff, MAC_SIZE * sizeof(uint8_t));
while (true) {
- rw_lock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
if (_ipcp->state != IPCP_ENROLLED) {
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return (void *) 1; /* -ENOTENROLLED */
}
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
#if defined(PACKET_RX_RING) && defined(PACKET_TX_RING)
header = (void *) shim_data(_ipcp)->rx_ring +
@@ -709,13 +708,13 @@ static void * eth_llc_ipcp_sdu_reader(void * o)
eth_llc_ipcp_mgmt_frame((uint8_t *) (buf + i),
frame_len, src_mac);
} else {
- rw_lock_rdlock(&_ipcp->state_lock);
- rw_lock_rdlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_rdlock(&shim_data(_ipcp)->flows_lock);
j = addr_and_saps_to_index(src_mac, ssap, dsap);
if (j < 0) {
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBG("Received data for unknown flow.");
#if defined(PACKET_RX_RING) && defined(PACKET_TX_RING)
offset = (offset + 1)
@@ -738,8 +737,8 @@ static void * eth_llc_ipcp_sdu_reader(void * o)
while (shm_ap_rbuff_write(ipcp_flow(j)->rb, &e) < 0)
;
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
}
#if defined(PACKET_RX_RING) && defined(PACKET_TX_RING)
offset = (offset + 1) & (SHM_BLOCKS_IN_MAP -1);
@@ -765,10 +764,10 @@ static void * eth_llc_ipcp_sdu_writer(void * o)
continue;
}
- rw_lock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
if (_ipcp->state != IPCP_ENROLLED) {
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return (void *) 1; /* -ENOTENROLLED */
}
@@ -776,18 +775,18 @@ static void * eth_llc_ipcp_sdu_writer(void * o)
shim_data(_ipcp)->dum,
e->index);
if (len <= 0) {
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
free(e);
continue;
}
- rw_lock_rdlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_rdlock(&shim_data(_ipcp)->flows_lock);
i = port_id_to_index(e->port_id);
if (i < 0) {
free(e);
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
continue;
}
@@ -798,12 +797,12 @@ static void * eth_llc_ipcp_sdu_writer(void * o)
dsap, ssap, buf, len))
LOG_ERR("Failed to send SDU.");
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
if (shim_data(_ipcp)->dum != NULL)
shm_release_du_buff(shim_data(_ipcp)->dum, e->index);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
}
return (void *) 1;
@@ -824,14 +823,14 @@ void ipcp_sig_handler(int sig, siginfo_t * info, void * c)
LOG_DBG("Terminating by order of %d. Bye.",
info->si_pid);
- rw_lock_wrlock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&_ipcp->state_lock);
if (_ipcp->state == IPCP_ENROLLED)
clean_threads = true;
_ipcp->state = IPCP_SHUTDOWN;
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
if (clean_threads) {
pthread_cancel(shim_data(_ipcp)->sdu_reader);
@@ -964,10 +963,10 @@ static int eth_llc_ipcp_bootstrap(struct dif_config * conf)
#endif
- rw_lock_wrlock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&_ipcp->state_lock);
if (_ipcp->state != IPCP_INIT) {
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_ERR("IPCP in wrong state.");
close(fd);
return -1;
@@ -989,7 +988,7 @@ static int eth_llc_ipcp_bootstrap(struct dif_config * conf)
eth_llc_ipcp_sdu_writer,
NULL);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBG("Bootstrapped shim IPCP over Ethernet with LLC with pid %d.",
getpid());
@@ -999,21 +998,21 @@ static int eth_llc_ipcp_bootstrap(struct dif_config * conf)
static int eth_llc_ipcp_name_reg(char * name)
{
- rw_lock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
if (_ipcp->state != IPCP_ENROLLED) {
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("Won't register with non-enrolled IPCP.");
return -1; /* -ENOTENROLLED */
}
if (ipcp_data_add_reg_entry(_ipcp->data, name)) {
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_ERR("Failed to add %s to local registry.", name);
return -1;
}
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBG("Registered %s.", name);
@@ -1022,11 +1021,11 @@ static int eth_llc_ipcp_name_reg(char * name)
static int eth_llc_ipcp_name_unreg(char * name)
{
- rw_lock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
ipcp_data_del_reg_entry(_ipcp->data, name);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return 0;
}
@@ -1054,11 +1053,11 @@ static int eth_llc_ipcp_flow_alloc(pid_t n_pid,
if (rb == NULL)
return -1; /* -ENORBUFF */
- rw_lock_wrlock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&_ipcp->state_lock);
if (_ipcp->state != IPCP_ENROLLED) {
shm_ap_rbuff_close(rb);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("Won't allocate flow with non-enrolled IPCP.");
return -1; /* -ENOTENROLLED */
}
@@ -1066,18 +1065,18 @@ static int eth_llc_ipcp_flow_alloc(pid_t n_pid,
index = bmp_allocate(shim_data(_ipcp)->indices);
if (index < 0) {
shm_ap_rbuff_close(rb);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return -1;
}
- rw_lock_wrlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_wrlock(&shim_data(_ipcp)->flows_lock);
ssap = bmp_allocate(shim_data(_ipcp)->saps);
if (ssap < 0) {
shm_ap_rbuff_close(rb);
bmp_release(shim_data(_ipcp)->indices, index);
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return -1;
}
@@ -1086,8 +1085,8 @@ static int eth_llc_ipcp_flow_alloc(pid_t n_pid,
ipcp_flow(index)->rb = rb;
shim_data(_ipcp)->flows[index].sap = ssap;
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
memset(r_addr, 0xff, MAC_SIZE * sizeof(uint8_t));
@@ -1095,11 +1094,11 @@ static int eth_llc_ipcp_flow_alloc(pid_t n_pid,
dst_name,
src_ae_name) < 0) {
LOG_DBGF("Port alloc returned -1.");
- rw_lock_wrlock(&_ipcp->state_lock);
- rw_lock_wrlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_wrlock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&shim_data(_ipcp)->flows_lock);
destroy_ipcp_flow(index);
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return -1;
}
@@ -1117,20 +1116,20 @@ static int eth_llc_ipcp_flow_alloc_resp(pid_t n_pid,
int index = -1;
uint8_t ssap = 0;
- rw_lock_wrlock(&_ipcp->state_lock);
- rw_lock_wrlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_wrlock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&shim_data(_ipcp)->flows_lock);
index = port_id_to_index(port_id);
if (index < 0) {
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("Could not find flow with port_id %d.", port_id);
return -1;
}
if (ipcp_flow(index)->state != FLOW_PENDING) {
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("Flow was not pending.");
return -1;
}
@@ -1141,8 +1140,8 @@ static int eth_llc_ipcp_flow_alloc_resp(pid_t n_pid,
ipcp_flow(index)->state = FLOW_NULL;
ipcp_flow(index)->port_id = -1;
bmp_release(shim_data(_ipcp)->indices, index);
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return -1;
}
@@ -1152,8 +1151,8 @@ static int eth_llc_ipcp_flow_alloc_resp(pid_t n_pid,
ipcp_flow(index)->port_id = -1;
shm_ap_rbuff_close(ipcp_flow(index)->rb);
bmp_release(shim_data(_ipcp)->indices, index);
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return -1;
}
@@ -1161,18 +1160,18 @@ static int eth_llc_ipcp_flow_alloc_resp(pid_t n_pid,
ipcp_flow(index)->rb = rb;
shim_data(_ipcp)->flows[index].sap = ssap;
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
if (eth_llc_ipcp_port_alloc_resp(shim_data(_ipcp)->flows[index].r_addr,
shim_data(_ipcp)->flows[index].r_sap,
ssap,
response) < 0) {
- rw_lock_rdlock(&_ipcp->state_lock);
- rw_lock_wrlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&shim_data(_ipcp)->flows_lock);
destroy_ipcp_flow(index);
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("Could not send response.");
return -1;
@@ -1191,13 +1190,13 @@ static int eth_llc_ipcp_flow_dealloc(int port_id)
int i;
int ret;
- rw_lock_rdlock(&_ipcp->state_lock);
- rw_lock_wrlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&shim_data(_ipcp)->flows_lock);
index = port_id_to_index(port_id);
if (index < 0) {
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return 0;
}
@@ -1208,10 +1207,12 @@ static int eth_llc_ipcp_flow_dealloc(int port_id)
destroy_ipcp_flow(index);
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
ret = eth_llc_ipcp_port_dealloc(addr, sap);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
+ if (eth_llc_ipcp_port_dealloc(addr, sap) < 0)
+ LOG_DBGF("Could not notify remote.");
if (ret < 0)
LOG_DBGF("Could not notify remote.");
@@ -1289,7 +1290,7 @@ int main(int argc, char * argv[])
_ipcp->ops = &eth_llc_ops;
_ipcp->state = IPCP_INIT;
- rw_lock_wrlock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&_ipcp->state_lock);
pthread_sigmask(SIG_BLOCK, &sigset, NULL);
@@ -1298,7 +1299,7 @@ int main(int argc, char * argv[])
pthread_sigmask(SIG_UNBLOCK, &sigset, NULL);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
pthread_join(shim_data(_ipcp)->mainloop, NULL);
diff --git a/src/ipcpd/shim-udp/main.c b/src/ipcpd/shim-udp/main.c
index ccd8530b..5a51433e 100644
--- a/src/ipcpd/shim-udp/main.c
+++ b/src/ipcpd/shim-udp/main.c
@@ -34,7 +34,6 @@
#include <ouroboros/bitmap.h>
#include <ouroboros/flow.h>
#include <ouroboros/dev.h>
-#include <ouroboros/rw_lock.h>
#define OUROBOROS_PREFIX "ipcpd/shim-udp"
@@ -93,7 +92,7 @@ struct shim_ap_data {
struct shm_ap_rbuff * rb;
struct flow flows[AP_MAX_FLOWS];
- rw_lock_t flows_lock;
+ pthread_rwlock_t flows_lock;
pthread_t mainloop;
pthread_t sduloop;
@@ -157,7 +156,7 @@ static int shim_ap_init(char * ap_name)
_ap_instance->flows[i].state = FLOW_NULL;
}
- rw_lock_init(&_ap_instance->flows_lock);
+ pthread_rwlock_init(&_ap_instance->flows_lock, NULL);
pthread_mutex_init(&_ap_instance->fd_set_lock, NULL);
return 0;
@@ -170,7 +169,7 @@ void shim_ap_fini()
if (_ap_instance == NULL)
return;
- rw_lock_wrlock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&_ipcp->state_lock);
if (_ipcp->state != IPCP_SHUTDOWN)
LOG_WARN("Cleaning up AP while not in shutdown.");
@@ -184,14 +183,14 @@ void shim_ap_fini()
if (_ap_instance->rb != NULL)
shm_ap_rbuff_destroy(_ap_instance->rb);
- rw_lock_wrlock(&_ap_instance->flows_lock);
+ pthread_rwlock_wrlock(&_ap_instance->flows_lock);
for (i = 0; i < AP_MAX_FLOWS; i ++)
if (_ap_instance->flows[i].rb != NULL)
shm_ap_rbuff_close(_ap_instance->flows[i].rb);
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
free(_ap_instance);
}
@@ -215,14 +214,14 @@ static ssize_t ipcp_udp_flow_write(int fd, void * buf, size_t count)
ssize_t index;
struct rb_entry e;
- rw_lock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
if (_ipcp->state != IPCP_ENROLLED) {
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return -1; /* -ENOTENROLLED */
}
- rw_lock_rdlock(&_ap_instance->flows_lock);
+ pthread_rwlock_rdlock(&_ap_instance->flows_lock);
while ((index = shm_create_du_buff(_ap_instance->dum,
count + DU_BUFF_HEADSPACE +
@@ -238,8 +237,8 @@ static ssize_t ipcp_udp_flow_write(int fd, void * buf, size_t count)
while (shm_ap_rbuff_write(_ap_instance->flows[fd].rb, &e) < 0)
;
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return 0;
}
@@ -477,8 +476,8 @@ static int ipcp_udp_port_req(struct sockaddr_in * c_saddr,
}
- rw_lock_rdlock(&_ipcp->state_lock);
- rw_lock_wrlock(&_ap_instance->flows_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&_ap_instance->flows_lock);
/* reply to IRM */
port_id = ipcp_flow_req_arr(getpid(),
@@ -486,8 +485,8 @@ static int ipcp_udp_port_req(struct sockaddr_in * c_saddr,
src_ae_name);
if (port_id < 0) {
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_ERR("Could not get port id from IRMd");
close(fd);
return -1;
@@ -497,8 +496,8 @@ static int ipcp_udp_port_req(struct sockaddr_in * c_saddr,
_ap_instance->flows[fd].rb = NULL;
_ap_instance->flows[fd].state = FLOW_PENDING;
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("Pending allocation request, port_id %d, UDP port (%d, %d).",
port_id, ntohs(f_saddr.sin_port), ntohs(c_saddr->sin_port));
@@ -520,20 +519,20 @@ static int ipcp_udp_port_alloc_reply(int src_udp_port,
LOG_DBGF("Received reply for flow on udp port %d.",
ntohs(dst_udp_port));
- rw_lock_rdlock(&_ipcp->state_lock);
- rw_lock_rdlock(&_ap_instance->flows_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_rdlock(&_ap_instance->flows_lock);
fd = udp_port_to_fd(dst_udp_port);
if (fd == -1) {
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("Unknown flow on UDP port %d.", dst_udp_port);
return -1; /* -EUNKNOWNFLOW */
}
if (_ap_instance->flows[fd].state != FLOW_PENDING) {
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("Flow on UDP port %d not pending.", dst_udp_port);
return -1; /* -EFLOWNOTPENDING */
}
@@ -550,8 +549,8 @@ static int ipcp_udp_port_alloc_reply(int src_udp_port,
if (getpeername(fd,
(struct sockaddr *) &t_saddr,
&t_saddr_len) < 0) {
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("Flow with port_id %d has no peer.", port_id);
return -1;
}
@@ -562,8 +561,8 @@ static int ipcp_udp_port_alloc_reply(int src_udp_port,
if (connect(fd,
(struct sockaddr *) &t_saddr,
sizeof(t_saddr)) < 0) {
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
close(fd);
return -1;
}
@@ -571,8 +570,8 @@ static int ipcp_udp_port_alloc_reply(int src_udp_port,
_ap_instance->flows[fd].state = FLOW_ALLOCATED;
}
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
if ((ret = ipcp_flow_alloc_reply(getpid(),
@@ -595,13 +594,13 @@ static int ipcp_udp_flow_dealloc_req(int udp_port)
struct shm_ap_rbuff * rb;
- rw_lock_rdlock(&_ipcp->state_lock);
- rw_lock_wrlock(&_ap_instance->flows_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&_ap_instance->flows_lock);
fd = udp_port_to_fd(udp_port);
if (fd < 0) {
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("Could not find flow on UDP port %d.",
ntohs(udp_port));
return 0;
@@ -615,12 +614,12 @@ static int ipcp_udp_flow_dealloc_req(int udp_port)
rb = _ap_instance->flows[fd].rb;
_ap_instance->flows[fd].rb = NULL;
- rw_lock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
if (rb != NULL)
shm_ap_rbuff_close(rb);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
ipcp_flow_dealloc(0, port_id);
@@ -642,16 +641,16 @@ static void * ipcp_udp_listener()
int sfd = 0;
shim_udp_msg_t * msg = NULL;
- rw_lock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
if (_ipcp->state != IPCP_ENROLLED) {
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return (void *) 1; /* -ENOTENROLLED */
}
sfd = shim_data(_ipcp)->s_fd;
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
memset(&buf, 0, SHIM_UDP_MSG_SIZE);
n = sizeof(c_saddr);
@@ -715,14 +714,14 @@ static void * ipcp_udp_sdu_reader()
while (true) {
struct timeval tv = {0, FD_UPDATE_TIMEOUT};
- rw_lock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
if (_ipcp->state != IPCP_ENROLLED) {
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return (void *) 1; /* -ENOTENROLLED */
}
- rw_lock_rdlock(&_ap_instance->flows_lock);
+ pthread_rwlock_rdlock(&_ap_instance->flows_lock);
pthread_mutex_lock(&_ap_instance->fd_set_lock);
@@ -731,8 +730,8 @@ static void * ipcp_udp_sdu_reader()
pthread_mutex_unlock(&_ap_instance->fd_set_lock);
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
if (select(FD_SETSIZE, &read_fds, NULL, NULL, &tv) <= 0) {
continue;
@@ -776,10 +775,10 @@ static void * ipcp_udp_sdu_loop(void * o)
continue;
}
- rw_lock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
if (_ipcp->state != IPCP_ENROLLED) {
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return (void *) 1; /* -ENOTENROLLED */
}
@@ -787,17 +786,17 @@ static void * ipcp_udp_sdu_loop(void * o)
_ap_instance->dum,
e->index);
if (len <= 0) {
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
free(e);
continue;
}
- rw_lock_rdlock(&_ap_instance->flows_lock);
+ pthread_rwlock_rdlock(&_ap_instance->flows_lock);
fd = port_id_to_fd(e->port_id);
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
if (fd == -1) {
free(e);
@@ -807,12 +806,12 @@ static void * ipcp_udp_sdu_loop(void * o)
if (send(fd, buf, len, 0) < 0)
LOG_ERR("Failed to send SDU.");
- rw_lock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
if (_ap_instance->dum != NULL)
shm_release_du_buff(_ap_instance->dum, e->index);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
}
return (void *) 1;
@@ -833,14 +832,14 @@ void ipcp_sig_handler(int sig, siginfo_t * info, void * c)
LOG_DBG("Terminating by order of %d. Bye.",
info->si_pid);
- rw_lock_wrlock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&_ipcp->state_lock);
if (_ipcp->state == IPCP_ENROLLED)
clean_threads = true;
_ipcp->state = IPCP_SHUTDOWN;
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
if (clean_threads) {
pthread_cancel(_ap_instance->handler);
@@ -925,10 +924,10 @@ static int ipcp_udp_bootstrap(struct dif_config * conf)
return -1;
}
- rw_lock_wrlock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&_ipcp->state_lock);
if (_ipcp->state != IPCP_INIT) {
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_ERR("IPCP in wrong state.");
close(fd);
return -1;
@@ -956,7 +955,7 @@ static int ipcp_udp_bootstrap(struct dif_config * conf)
ipcp_udp_sdu_loop,
NULL);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBG("Bootstrapped shim IPCP over UDP with pid %d.",
getpid());
@@ -1107,16 +1106,16 @@ static int ipcp_udp_name_reg(char * name)
return -1;
}
- rw_lock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
if (_ipcp->state != IPCP_ENROLLED) {
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("Won't register with non-enrolled IPCP.");
return -1; /* -ENOTENROLLED */
}
if (ipcp_data_add_reg_entry(_ipcp->data, name)) {
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_ERR("Failed to add %s to local registry.", name);
return -1;
}
@@ -1126,7 +1125,7 @@ static int ipcp_udp_name_reg(char * name)
dns_addr = shim_data(_ipcp)->dns_addr;
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
if (dns_addr != 0) {
ip_addr = shim_data(_ipcp)->ip_addr;
@@ -1145,14 +1144,14 @@ static int ipcp_udp_name_reg(char * name)
dnsstr, name, DNS_TTL, ipstr);
if (ddns_send(cmd)) {
- rw_lock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
ipcp_data_del_reg_entry(_ipcp->data, name);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return -1;
}
}
#else
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
#endif
LOG_DBG("Registered %s.", name);
@@ -1176,17 +1175,17 @@ static int ipcp_udp_name_unreg(char * name)
#ifdef CONFIG_OUROBOROS_ENABLE_DNS
/* unregister application with DNS server */
- rw_lock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
if (_ipcp->state != IPCP_ENROLLED) {
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("IPCP is not enrolled");
return -1; /* -ENOTENROLLED */
}
dns_addr = shim_data(_ipcp)->dns_addr;
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
if (dns_addr != 0) {
if (inet_ntop(AF_INET, &dns_addr, dnsstr, INET_ADDRSTRLEN)
@@ -1200,11 +1199,11 @@ static int ipcp_udp_name_unreg(char * name)
}
#endif
- rw_lock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
ipcp_data_del_reg_entry(_ipcp->data, name);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return 0;
}
@@ -1262,10 +1261,10 @@ static int ipcp_udp_flow_alloc(pid_t n_pid,
return -1;
}
- rw_lock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
if (_ipcp->state != IPCP_ENROLLED) {
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("Won't allocate flow with non-enrolled IPCP.");
close(fd);
return -1; /* -ENOTENROLLED */
@@ -1274,7 +1273,7 @@ static int ipcp_udp_flow_alloc(pid_t n_pid,
#ifdef CONFIG_OUROBOROS_ENABLE_DNS
dns_addr = shim_data(_ipcp)->dns_addr;
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
if (dns_addr != 0) {
ip_addr = ddns_resolve(dst_name, dns_addr);
@@ -1308,13 +1307,13 @@ static int ipcp_udp_flow_alloc(pid_t n_pid,
return -1;
}
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("Pending flow with port_id %d on UDP port %d.",
port_id, ntohs(f_saddr.sin_port));
- rw_lock_rdlock(&_ipcp->state_lock);
- rw_lock_wrlock(&_ap_instance->flows_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&_ap_instance->flows_lock);
set_fd(fd);
@@ -1322,16 +1321,16 @@ static int ipcp_udp_flow_alloc(pid_t n_pid,
_ap_instance->flows[fd].state = FLOW_PENDING;
_ap_instance->flows[fd].rb = rb;
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
if (ipcp_udp_port_alloc(ip_addr,
f_saddr.sin_port,
dst_name,
src_ae_name) < 0) {
LOG_DBGF("Port alloc returned -1.");
- rw_lock_rdlock(&_ipcp->state_lock);
- rw_lock_wrlock(&_ap_instance->flows_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&_ap_instance->flows_lock);
clr_fd(fd);
@@ -1340,8 +1339,8 @@ static int ipcp_udp_flow_alloc(pid_t n_pid,
shm_ap_rbuff_close(_ap_instance->flows[fd].rb);
_ap_instance->flows[fd].rb = NULL;
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
close(fd);
return -1;
}
@@ -1362,23 +1361,23 @@ static int ipcp_udp_flow_alloc_resp(pid_t n_pid,
if (response)
return 0;
- rw_lock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
/* awaken pending flow */
- rw_lock_wrlock(&_ap_instance->flows_lock);
+ pthread_rwlock_wrlock(&_ap_instance->flows_lock);
fd = port_id_to_fd(port_id);
if (fd < 0) {
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("Could not find flow with port_id %d.", port_id);
return -1;
}
if (_ap_instance->flows[fd].state != FLOW_PENDING) {
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("Flow was not pending.");
return -1;
}
@@ -1388,13 +1387,13 @@ static int ipcp_udp_flow_alloc_resp(pid_t n_pid,
LOG_ERR("Could not open N + 1 ringbuffer.");
_ap_instance->flows[fd].state = FLOW_NULL;
_ap_instance->flows[fd].port_id = -1;
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return -1;
}
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
if (getsockname(fd, (struct sockaddr *) &f_saddr, &len) < 0) {
LOG_DBGF("Flow with port_id %d has no socket.", port_id);
@@ -1406,23 +1405,23 @@ static int ipcp_udp_flow_alloc_resp(pid_t n_pid,
return -1;
}
- rw_lock_rdlock(&_ipcp->state_lock);
- rw_lock_wrlock(&_ap_instance->flows_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&_ap_instance->flows_lock);
_ap_instance->flows[fd].state = FLOW_ALLOCATED;
_ap_instance->flows[fd].rb = rb;
set_fd(fd);
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
if (ipcp_udp_port_alloc_resp(r_saddr.sin_addr.s_addr,
f_saddr.sin_port,
r_saddr.sin_port,
response) < 0) {
- rw_lock_rdlock(&_ipcp->state_lock);
- rw_lock_wrlock(&_ap_instance->flows_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&_ap_instance->flows_lock);
_ap_instance->flows[fd].state = FLOW_NULL;
shm_ap_rbuff_close(_ap_instance->flows[fd].rb);
@@ -1430,8 +1429,8 @@ static int ipcp_udp_flow_alloc_resp(pid_t n_pid,
clr_fd(fd);
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("Could not send response.");
return -1;
@@ -1450,13 +1449,13 @@ static int ipcp_udp_flow_dealloc(int port_id)
struct sockaddr_in r_saddr;
socklen_t r_saddr_len = sizeof(r_saddr);
- rw_lock_rdlock(&_ipcp->state_lock);
- rw_lock_wrlock(&_ap_instance->flows_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&_ap_instance->flows_lock);
fd = port_id_to_fd(port_id);
if (fd < 0) {
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("Could not find flow with port_id %d.", port_id);
return 0;
}
@@ -1468,13 +1467,13 @@ static int ipcp_udp_flow_dealloc(int port_id)
clr_fd(fd);
- rw_lock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
if (rb != NULL)
shm_ap_rbuff_close(rb);
if (getpeername(fd, (struct sockaddr *) &r_saddr, &r_saddr_len) < 0) {
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("Flow with port_id %d has no peer.", port_id);
close(fd);
return 0;
@@ -1484,7 +1483,7 @@ static int ipcp_udp_flow_dealloc(int port_id)
r_saddr.sin_port = LISTEN_PORT;
if (connect(fd, (struct sockaddr *) &r_saddr, sizeof(r_saddr)) < 0) {
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
close(fd);
return 0 ;
}
@@ -1492,12 +1491,12 @@ static int ipcp_udp_flow_dealloc(int port_id)
if (ipcp_udp_port_dealloc(r_saddr.sin_addr.s_addr,
remote_udp) < 0) {
LOG_DBGF("Could not notify remote.");
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
close(fd);
return 0;
}
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
close(fd);
@@ -1590,7 +1589,7 @@ int main (int argc, char * argv[])
exit(1);
}
- rw_lock_wrlock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&_ipcp->state_lock);
pthread_sigmask(SIG_BLOCK, &sigset, NULL);
@@ -1598,7 +1597,7 @@ int main (int argc, char * argv[])
pthread_sigmask(SIG_UNBLOCK, &sigset, NULL);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
pthread_join(_ap_instance->mainloop, NULL);
diff --git a/src/irmd/main.c b/src/irmd/main.c
index 5f7c1ddc..50055c4d 100644
--- a/src/irmd/main.c
+++ b/src/irmd/main.c
@@ -36,7 +36,6 @@
#include <ouroboros/bitmap.h>
#include <ouroboros/flow.h>
#include <ouroboros/qos.h>
-#include <ouroboros/rw_lock.h>
#include <ouroboros/time_utils.h>
#include "utils.h"
@@ -113,20 +112,21 @@ struct irm {
/* FIXME: list of ipcps could be merged with registered names */
struct list_head ipcps;
struct list_head reg_names;
- rw_lock_t reg_lock;
+ pthread_rwlock_t reg_lock;
/* keep track of all flows in this processing system */
struct bmp * port_ids;
/* maps port_ids to pid pair */
struct list_head port_map;
- rw_lock_t flows_lock;
+ pthread_rwlock_t flows_lock;
struct shm_du_map * dum;
pthread_t * threadpool;
int sockfd;
- rw_lock_t state_lock;
+ pthread_rwlock_t state_lock;
pthread_t cleanup_flows;
+ pthread_t shm_sanitize;
} * instance = NULL;
static struct port_map_entry * port_map_entry_create()
@@ -435,18 +435,18 @@ static pid_t create_ipcp(char * ap_name,
pid_t pid;
struct ipcp_entry * tmp = NULL;
- rw_lock_rdlock(&instance->state_lock);
+ pthread_rwlock_rdlock(&instance->state_lock);
pid = ipcp_create(ap_name, ipcp_type);
if (pid == -1) {
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
LOG_ERR("Failed to create IPCP.");
return -1;
}
tmp = ipcp_entry_create();
if (tmp == NULL) {
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
return -1;
}
@@ -455,25 +455,25 @@ static pid_t create_ipcp(char * ap_name,
tmp->api = instance_name_create();
if (tmp->api == NULL) {
ipcp_entry_destroy(tmp);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
return -1;
}
if(instance_name_init_from(tmp->api, ap_name, pid) == NULL) {
instance_name_destroy(tmp->api);
ipcp_entry_destroy(tmp);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
return -1;
}
tmp->dif_name = NULL;
- rw_lock_wrlock(&instance->reg_lock);
+ pthread_rwlock_wrlock(&instance->reg_lock);
list_add(&tmp->next, &instance->ipcps);
- rw_lock_unlock(&instance->reg_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->reg_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
LOG_INFO("Created IPCP %s-%d.", ap_name, pid);
@@ -489,15 +489,10 @@ static int destroy_ipcp(instance_name_t * api)
if (api == NULL)
return 0;
- rw_lock_rdlock(&instance->state_lock);
- rw_lock_wrlock(&instance->reg_lock);
-
if (api->id == 0)
api = get_ipcp_by_name(api->name);
if (api == NULL) {
- rw_lock_unlock(&instance->reg_lock);
- rw_lock_unlock(&instance->state_lock);
LOG_ERR("No such IPCP in the system.");
return 0;
}
@@ -516,8 +511,6 @@ static int destroy_ipcp(instance_name_t * api)
}
}
- rw_lock_unlock(&instance->reg_lock);
- rw_lock_unlock(&instance->state_lock);
LOG_INFO("Destroyed IPCP %d.", pid);
@@ -529,46 +522,46 @@ static int bootstrap_ipcp(instance_name_t * api,
{
struct ipcp_entry * entry = NULL;
- rw_lock_rdlock(&instance->state_lock);
- rw_lock_wrlock(&instance->reg_lock);
+ pthread_rwlock_rdlock(&instance->state_lock);
+ pthread_rwlock_wrlock(&instance->reg_lock);
if (api->id == 0)
api = get_ipcp_by_name(api->name);
if (api == NULL) {
- rw_lock_unlock(&instance->reg_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->reg_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
LOG_ERR("No such IPCP in the system.");
return -1;
}
entry = get_ipcp_entry_by_name(api);
if (entry == NULL) {
- rw_lock_unlock(&instance->reg_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->reg_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
LOG_ERR("No such IPCP.");
return -1;
}
entry->dif_name = strdup(conf->dif_name);
if (entry->dif_name == NULL) {
- rw_lock_unlock(&instance->reg_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->reg_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
LOG_ERR("Failed to strdup.");
return -1;
}
if (ipcp_bootstrap(entry->api->id, conf)) {
- rw_lock_unlock(&instance->reg_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->reg_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
LOG_ERR("Could not bootstrap IPCP.");
free(entry->dif_name);
entry->dif_name = NULL;
return -1;
}
- rw_lock_unlock(&instance->reg_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->reg_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
LOG_INFO("Bootstrapped IPCP %s-%d in DIF %s.",
api->name, api->id, conf->dif_name);
@@ -584,21 +577,21 @@ static int enroll_ipcp(instance_name_t * api,
ssize_t n_1_difs_size = 0;
struct ipcp_entry * entry = NULL;
- rw_lock_rdlock(&instance->state_lock);
- rw_lock_rdlock(&instance->reg_lock);
+ pthread_rwlock_rdlock(&instance->state_lock);
+ pthread_rwlock_rdlock(&instance->reg_lock);
entry = get_ipcp_entry_by_name(api);
if (entry == NULL) {
- rw_lock_unlock(&instance->reg_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->reg_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
LOG_ERR("No such IPCP.");
return -1;
}
entry->dif_name = strdup(dif_name);
if (entry->dif_name == NULL) {
- rw_lock_unlock(&instance->reg_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->reg_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
LOG_ERR("Failed to strdup.");
return -1;
}
@@ -607,8 +600,8 @@ static int enroll_ipcp(instance_name_t * api,
if (member == NULL) {
free(entry->dif_name);
entry->dif_name = NULL;
- rw_lock_unlock(&instance->reg_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->reg_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
return -1;
}
@@ -616,8 +609,8 @@ static int enroll_ipcp(instance_name_t * api,
if (n_1_difs_size < 1) {
free(entry->dif_name);
entry->dif_name = NULL;
- rw_lock_unlock(&instance->reg_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->reg_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
LOG_ERR("Could not find N-1 DIFs.");
return -1;
}
@@ -625,14 +618,14 @@ static int enroll_ipcp(instance_name_t * api,
if (ipcp_enroll(api->id, member, n_1_difs[0])) {
free(entry->dif_name);
entry->dif_name = NULL;
- rw_lock_unlock(&instance->reg_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->reg_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
LOG_ERR("Could not enroll IPCP.");
return -1;
}
- rw_lock_unlock(&instance->reg_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->reg_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
LOG_INFO("Enrolled IPCP %s-%d in DIF %s.",
api->name, api->id, dif_name);
@@ -657,25 +650,25 @@ static int ap_reg(char * name,
instance_name_t * api = NULL;
char ** argv_dup = NULL;
- rw_lock_rdlock(&instance->state_lock);
- rw_lock_wrlock(&instance->reg_lock);
+ pthread_rwlock_rdlock(&instance->state_lock);
+ pthread_rwlock_wrlock(&instance->reg_lock);
if (instance->ipcps.next == NULL) {
- rw_lock_unlock(&instance->reg_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->reg_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
return -1;
}
api = instance_name_create();
if (api == NULL) {
- rw_lock_unlock(&instance->reg_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->reg_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
return -1;
}
if (instance_name_init_from(api, path_strip(ap_name), ap_id) == NULL) {
- rw_lock_unlock(&instance->reg_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->reg_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
instance_name_destroy(api);
return -1;
}
@@ -683,8 +676,8 @@ static int ap_reg(char * name,
/* check if this name is already registered */
rne = get_reg_name_entry_by_name(name);
if (rne != NULL) {
- rw_lock_unlock(&instance->reg_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->reg_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
instance_name_destroy(api);
return -1; /* can only register one instance for now */
}
@@ -711,8 +704,8 @@ static int ap_reg(char * name,
}
}
if (ret == 0) {
- rw_lock_unlock(&instance->reg_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->reg_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
instance_name_destroy(api);
return -1;
}
@@ -735,8 +728,8 @@ static int ap_reg(char * name,
< 0)
LOG_DBGF("Failed to add application %s.", api->name);
- rw_lock_unlock(&instance->reg_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->reg_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
return ret;
}
@@ -756,8 +749,8 @@ static int ap_unreg(char * name,
if (name == NULL || len == 0 || difs == NULL || difs[0] == NULL)
return -1;
- rw_lock_rdlock(&instance->state_lock);
- rw_lock_wrlock(&instance->reg_lock);
+ pthread_rwlock_rdlock(&instance->state_lock);
+ pthread_rwlock_wrlock(&instance->reg_lock);
if (!hard && strcmp(difs[0], "*") != 0) {
LOG_INFO("Unregistration not complete yet.");
@@ -787,8 +780,8 @@ static int ap_unreg(char * name,
reg_name_entry_del_name(rne->name);
- rw_lock_unlock(&instance->reg_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->reg_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
return ret;
}
@@ -800,13 +793,13 @@ static struct port_map_entry * flow_accept(pid_t pid,
struct port_map_entry * pme;
struct reg_name_entry * rne = NULL;
- rw_lock_rdlock(&instance->state_lock);
- rw_lock_rdlock(&instance->reg_lock);
+ pthread_rwlock_rdlock(&instance->state_lock);
+ pthread_rwlock_wrlock(&instance->reg_lock);
rne = get_reg_name_entry_by_ap_name(srv_ap_name);
if (rne == NULL) {
- rw_lock_unlock(&instance->reg_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->reg_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
LOG_DBGF("AP %s is unknown.", srv_ap_name);
return NULL;
}
@@ -814,16 +807,16 @@ static struct port_map_entry * flow_accept(pid_t pid,
if (rne->api->id == 0) {
rne->api->id = pid;
} else if (rne->api->id != pid) {
- rw_lock_unlock(&instance->reg_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->reg_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
LOG_DBGF("Can only register one instance.");
LOG_MISSING;
return NULL;
}
if (rne->accept) {
- rw_lock_unlock(&instance->reg_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->reg_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
LOG_DBGF("This AP still has a pending accept().");
return NULL;
}
@@ -833,18 +826,17 @@ static struct port_map_entry * flow_accept(pid_t pid,
pthread_cond_broadcast(&rne->acc_signal);
- rw_lock_unlock(&instance->reg_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->reg_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
pthread_mutex_lock(&rne->acc_lock);
pthread_cleanup_push((void(*)(void *))pthread_mutex_unlock,
- (void*) &rne->acc_lock);
+ (void *) &rne->acc_lock);
while (rne->flow_arrived == -1)
pthread_cond_wait(&rne->acc_arr_signal, &rne->acc_lock);
- pthread_mutex_unlock(&rne->acc_lock);
- pthread_cleanup_pop(0);
+ pthread_cleanup_pop(true);
pthread_mutex_lock(&rne->acc_lock);
@@ -856,13 +848,13 @@ static struct port_map_entry * flow_accept(pid_t pid,
pthread_mutex_unlock(&rne->acc_lock);
- rw_lock_rdlock(&instance->state_lock);
- rw_lock_rdlock(&instance->flows_lock);
+ pthread_rwlock_rdlock(&instance->state_lock);
+ pthread_rwlock_rdlock(&instance->flows_lock);
pme = get_port_map_entry_n(pid);
if (pme == NULL) {
- rw_lock_unlock(&instance->flows_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->flows_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
LOG_ERR("Port_id was not created yet.");
return NULL;
}
@@ -870,8 +862,8 @@ static struct port_map_entry * flow_accept(pid_t pid,
if (dst_ae_name != NULL)
*dst_ae_name = rne->req_ae_name;
- rw_lock_unlock(&instance->flows_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->flows_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
return pme;
}
@@ -884,20 +876,20 @@ static int flow_alloc_resp(pid_t n_pid,
struct reg_name_entry * rne = NULL;
int ret = -1;
- rw_lock_rdlock(&instance->state_lock);
- rw_lock_rdlock(&instance->reg_lock);
+ pthread_rwlock_rdlock(&instance->state_lock);
+ pthread_rwlock_rdlock(&instance->reg_lock);
rne = get_reg_name_entry_by_id(n_pid);
if (rne == NULL) {
- rw_lock_unlock(&instance->reg_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->reg_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
return -1;
}
/* FIXME: check all instances associated with the name */
if (!rne->accept) {
- rw_lock_unlock(&instance->reg_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->reg_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
LOG_ERR("No process listening for this name.");
return -1;
}
@@ -914,28 +906,30 @@ static int flow_alloc_resp(pid_t n_pid,
pthread_mutex_unlock(&rne->acc_lock);
- rw_lock_unlock(&instance->reg_lock);
+ pthread_rwlock_unlock(&instance->reg_lock);
if (!response) {
- rw_lock_wrlock(&instance->flows_lock);
+ pthread_rwlock_wrlock(&instance->flows_lock);
pme = get_port_map_entry(port_id);
if (pme == NULL) {
- rw_lock_unlock(&instance->flows_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->flows_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
return -1;
}
pme->state = FLOW_ALLOCATED;
+
+ pthread_rwlock_unlock(&instance->flows_lock);
+
ret = ipcp_flow_alloc_resp(pme->n_1_pid,
port_id,
pme->n_pid,
response);
- rw_lock_unlock(&instance->flows_lock);
}
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
return ret;
}
@@ -962,30 +956,30 @@ static struct port_map_entry * flow_alloc(pid_t pid,
if (clock_gettime(CLOCK_MONOTONIC, &pme->t0) < 0)
LOG_WARN("Failed to set timestamp.");
- rw_lock_rdlock(&instance->state_lock);
- rw_lock_rdlock(&instance->reg_lock);
+ pthread_rwlock_rdlock(&instance->state_lock);
+ pthread_rwlock_rdlock(&instance->reg_lock);
if (qos != NULL)
dif_name = qos->dif_name;
ipcp = get_ipcp_by_dst_name(dst_name, dif_name);
if (ipcp == NULL) {
- rw_lock_unlock(&instance->reg_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->reg_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
LOG_DBG("Unknown DIF name.");
return NULL;
}
- rw_lock_unlock(&instance->reg_lock);
- rw_lock_wrlock(&instance->flows_lock);
+ pthread_rwlock_unlock(&instance->reg_lock);
+ pthread_rwlock_wrlock(&instance->flows_lock);
pme->port_id = bmp_allocate(instance->port_ids);
pme->n_1_pid = ipcp->id;
list_add(&pme->next, &instance->port_map);
- rw_lock_unlock(&instance->flows_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->flows_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
if (ipcp_flow_alloc(ipcp->id,
pme->port_id,
@@ -993,12 +987,12 @@ static struct port_map_entry * flow_alloc(pid_t pid,
dst_name,
src_ae_name,
QOS_CUBE_BE) < 0) {
- rw_lock_rdlock(&instance->state_lock);
- rw_lock_wrlock(&instance->flows_lock);
+ pthread_rwlock_rdlock(&instance->state_lock);
+ pthread_rwlock_wrlock(&instance->flows_lock);
list_del(&pme->next);
bmp_release(instance->port_ids, pme->port_id);
- rw_lock_unlock(&instance->flows_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->flows_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
free(pme);
return NULL;
}
@@ -1010,30 +1004,30 @@ static int flow_alloc_res(int port_id)
{
struct port_map_entry * e;
- rw_lock_rdlock(&instance->state_lock);
- rw_lock_rdlock(&instance->flows_lock);
+ pthread_rwlock_rdlock(&instance->state_lock);
+ pthread_rwlock_rdlock(&instance->flows_lock);
e = get_port_map_entry(port_id);
if (e == NULL) {
- rw_lock_unlock(&instance->flows_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->flows_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
return -1;
}
if (e->state == FLOW_NULL) {
- rw_lock_unlock(&instance->flows_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->flows_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
return -1;
}
if (e->state == FLOW_ALLOCATED) {
- rw_lock_unlock(&instance->flows_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->flows_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
return 0;
}
- rw_lock_unlock(&instance->flows_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->flows_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
while (true) {
pthread_mutex_lock(&e->res_lock);
@@ -1042,35 +1036,34 @@ static int flow_alloc_res(int port_id)
pthread_cond_wait(&e->res_signal, &e->res_lock);
- pthread_mutex_unlock(&e->res_lock);
- pthread_cleanup_pop(0);
+ pthread_cleanup_pop(true);
- rw_lock_rdlock(&instance->state_lock);
- rw_lock_wrlock(&instance->flows_lock);
+ pthread_rwlock_rdlock(&instance->state_lock);
+ pthread_rwlock_wrlock(&instance->flows_lock);
e = get_port_map_entry(port_id);
if (e == NULL) {
- rw_lock_unlock(&instance->flows_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->flows_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
return -1;
}
if (e->state == FLOW_ALLOCATED) {
- rw_lock_unlock(&instance->flows_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->flows_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
return 0;
}
if (e->state == FLOW_NULL) {
/* don't release the port_id, AP has to call dealloc */
list_del(&e->next);
- rw_lock_unlock(&instance->flows_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->flows_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
free(e);
return -1;
}
/* still pending, spurious wake */
- rw_lock_unlock(&instance->flows_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->flows_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
}
return 0;
@@ -1083,15 +1076,14 @@ static int flow_dealloc(int port_id)
struct port_map_entry * e = NULL;
- rw_lock_rdlock(&instance->state_lock);
- rw_lock_wrlock(&instance->flows_lock);
-
+ pthread_rwlock_rdlock(&instance->state_lock);
+ pthread_rwlock_wrlock(&instance->flows_lock);
bmp_release(instance->port_ids, port_id);
e = get_port_map_entry(port_id);
if (e == NULL) {
- rw_lock_unlock(&instance->flows_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->flows_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
return 0;
}
@@ -1099,10 +1091,11 @@ static int flow_dealloc(int port_id)
list_del(&e->next);
+ pthread_rwlock_unlock(&instance->flows_lock);
+
ret = ipcp_flow_dealloc(n_1_pid, port_id);
- rw_lock_unlock(&instance->flows_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
free(e);
@@ -1148,17 +1141,17 @@ static struct port_map_entry * flow_req_arr(pid_t pid,
pme->state = FLOW_PENDING;
pme->n_1_pid = pid;
- rw_lock_rdlock(&instance->state_lock);
- rw_lock_rdlock(&instance->reg_lock);
- rw_lock_wrlock(&instance->flows_lock);
+ pthread_rwlock_rdlock(&instance->state_lock);
+ pthread_rwlock_rdlock(&instance->reg_lock);
+ pthread_rwlock_wrlock(&instance->flows_lock);
pme->port_id = bmp_allocate(instance->port_ids);
rne = get_reg_name_entry_by_name(dst_name);
if (rne == NULL) {
- rw_lock_unlock(&instance->flows_lock);
- rw_lock_unlock(&instance->reg_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->flows_lock);
+ pthread_rwlock_unlock(&instance->reg_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
LOG_DBGF("Destination name %s unknown.", dst_name);
free(pme);
return NULL;
@@ -1168,13 +1161,20 @@ static struct port_map_entry * flow_req_arr(pid_t pid,
list_add(&pme->next, &instance->port_map);
+ pthread_rwlock_unlock(&instance->flows_lock);
+
pthread_mutex_lock(&rne->acc_lock);
+ pthread_cleanup_push((void(*)(void *)) pthread_mutex_unlock,
+ (void *) &rne->acc_lock);
+
rne->req_ae_name = ae_name;
if (rne->accept == false) {
if (rne->autoexec) {
+ pthread_rwlock_wrlock(&instance->flows_lock);
pme->n_pid = auto_execute(rne->api->name, rne->argv);
+ pthread_rwlock_unlock(&instance->flows_lock);
while (rne->accept == false)
pthread_cond_wait(&rne->acc_signal,
&rne->acc_lock);
@@ -1188,21 +1188,19 @@ static struct port_map_entry * flow_req_arr(pid_t pid,
rne->flow_arrived = 0;
- pthread_mutex_unlock(&rne->acc_lock);
-
if (pthread_cond_signal(&rne->acc_arr_signal))
LOG_ERR("Failed to send signal.");
+ pthread_cleanup_pop(true);
+
while (acc_wait) {
- sched_yield();
pthread_mutex_lock(&rne->acc_lock);
acc_wait = (rne->flow_arrived != -1);
pthread_mutex_unlock(&rne->acc_lock);
}
- rw_lock_unlock(&instance->flows_lock);
- rw_lock_unlock(&instance->reg_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->reg_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
return pme;
}
@@ -1212,13 +1210,13 @@ static int flow_alloc_reply(int port_id,
{
struct port_map_entry * e;
- rw_lock_rdlock(&instance->state_lock);
- rw_lock_rdlock(&instance->flows_lock);
+ pthread_rwlock_rdlock(&instance->state_lock);
+ pthread_rwlock_rdlock(&instance->flows_lock);
e = get_port_map_entry(port_id);
if (e == NULL) {
- rw_lock_unlock(&instance->flows_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->flows_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
return -1;
}
@@ -1235,8 +1233,8 @@ static int flow_alloc_reply(int port_id,
pthread_mutex_unlock(&e->res_lock);
- rw_lock_unlock(&instance->flows_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->flows_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
return 0;
}
@@ -1245,48 +1243,46 @@ static int flow_dealloc_ipcp(int port_id)
{
struct port_map_entry * e = NULL;
- rw_lock_rdlock(&instance->state_lock);
- rw_lock_wrlock(&instance->flows_lock);
+ pthread_rwlock_rdlock(&instance->state_lock);
+ pthread_rwlock_wrlock(&instance->flows_lock);
e = get_port_map_entry(port_id);
if (e == NULL) {
- rw_lock_unlock(&instance->flows_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->flows_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
return 0;
}
list_del(&e->next);
- rw_lock_unlock(&instance->flows_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->flows_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
free(e);
return 0;
}
-static void irm_destroy(struct irm * irm)
+static void irm_destroy()
{
struct list_head * h;
struct list_head * t;
- if (irm == NULL)
- return;
-
- rw_lock_wrlock(&irm->state_lock);
+ pthread_rwlock_wrlock(&instance->state_lock);
+ pthread_rwlock_wrlock(&instance->reg_lock);
- if (irm->threadpool != NULL)
- free(irm->threadpool);
+ if (instance->threadpool != NULL)
+ free(instance->threadpool);
- if (irm->port_ids != NULL)
- bmp_destroy(irm->port_ids);
+ if (instance->port_ids != NULL)
+ bmp_destroy(instance->port_ids);
/* clear the lists */
- list_for_each_safe(h, t, &irm->ipcps) {
+ list_for_each_safe(h, t, &instance->ipcps) {
struct ipcp_entry * e = list_entry(h, struct ipcp_entry, next);
destroy_ipcp(e->api);
}
- list_for_each_safe(h, t, &irm->reg_names) {
+ list_for_each_safe(h, t, &instance->reg_names) {
struct reg_name_entry * e = list_entry(h,
struct reg_name_entry,
next);
@@ -1294,7 +1290,11 @@ static void irm_destroy(struct irm * irm)
reg_name_entry_destroy(e);
}
- list_for_each_safe(h, t, &irm->port_map) {
+ pthread_rwlock_unlock(&instance->reg_lock);
+
+ pthread_rwlock_wrlock(&instance->flows_lock);
+
+ list_for_each_safe(h, t, &instance->port_map) {
struct port_map_entry * e = list_entry(h,
struct port_map_entry,
next);
@@ -1303,15 +1303,16 @@ static void irm_destroy(struct irm * irm)
free(e);
}
+ pthread_rwlock_unlock(&instance->flows_lock);
- if (irm->dum != NULL)
- shm_du_map_destroy(irm->dum);
+ if (instance->dum != NULL)
+ shm_du_map_destroy(instance->dum);
- close(irm->sockfd);
+ close(instance->sockfd);
- rw_lock_unlock(&irm->state_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
- free(irm);
+ free(instance);
}
@@ -1323,7 +1324,11 @@ void irmd_sig_handler(int sig, siginfo_t * info, void * c)
case SIGINT:
case SIGTERM:
case SIGHUP:
- rw_lock_wrlock(&instance->state_lock);
+ pthread_rwlock_wrlock(&instance->state_lock);
+
+
+
+ pthread_rwlock_unlock(&instance->state_lock);
if (instance->threadpool != NULL) {
for (i = 0; i < IRMD_THREADPOOL_SIZE; i++)
@@ -1331,9 +1336,9 @@ void irmd_sig_handler(int sig, siginfo_t * info, void * c)
}
+ pthread_cancel(instance->shm_sanitize);
pthread_cancel(instance->cleanup_flows);
- rw_lock_unlock(&instance->state_lock);
break;
case SIGPIPE:
@@ -1355,13 +1360,13 @@ void * irm_flow_cleaner()
if(clock_gettime(CLOCK_MONOTONIC, &now) < 0)
LOG_WARN("Failed to get time.");
/* cleanup stale PENDING flows */
- rw_lock_rdlock(&instance->state_lock);
- rw_lock_wrlock(&instance->flows_lock);
+
+ pthread_rwlock_rdlock(&instance->state_lock);
+ pthread_rwlock_wrlock(&instance->flows_lock);
list_for_each_safe(pos, n, &(instance->port_map)) {
struct port_map_entry * e =
list_entry(pos, struct port_map_entry, next);
-
pthread_mutex_lock(&e->res_lock);
if (e->state == FLOW_PENDING &&
@@ -1369,9 +1374,12 @@ void * irm_flow_cleaner()
LOG_DBGF("Pending port_id %d timed out.",
e->port_id);
e->state = FLOW_NULL;
- pthread_cond_broadcast(&e->res_signal);
+ pthread_cond_signal(&e->res_signal);
+ pthread_mutex_unlock(&e->res_lock);
+ continue;
}
+ pthread_mutex_unlock(&e->res_lock);
if (kill(e->n_pid, 0) < 0) {
bmp_release(instance->port_ids, e->port_id);
@@ -1388,17 +1396,20 @@ void * irm_flow_cleaner()
e->n_1_pid, e->port_id);
free(e);
}
-
- pthread_mutex_unlock(&e->res_lock);
}
- rw_lock_unlock(&instance->flows_lock);
- rw_lock_unlock(&instance->state_lock);
+ pthread_rwlock_unlock(&instance->flows_lock);
+ pthread_rwlock_unlock(&instance->state_lock);
nanosleep(&timeout, NULL);
}
}
+void clean_msg(void * msg)
+{
+ irm_msg__free_unpacked(msg, NULL);
+}
+
void * mainloop()
{
uint8_t buf[IRM_MSG_BUF_SIZE];
@@ -1433,6 +1444,8 @@ void * mainloop()
continue;
}
+ pthread_cleanup_push(clean_msg, (void *) msg);
+
api.name = msg->ap_name;
if (msg->has_api_id == true)
api.id = msg->api_id;
@@ -1542,7 +1555,7 @@ void * mainloop()
break;
}
- irm_msg__free_unpacked(msg, NULL);
+ pthread_cleanup_pop(true);
buffer.size = irm_msg__get_packed_size(&ret_msg);
if (buffer.size == 0) {
@@ -1574,8 +1587,8 @@ static struct irm * irm_create()
{
struct stat st = {0};
- struct irm * i = malloc(sizeof(*i));
- if (i == NULL)
+ instance = malloc(sizeof(*instance));
+ if (instance == NULL)
return NULL;
if (access("/dev/shm/" SHM_DU_MAP_FILENAME, F_OK) != -1) {
@@ -1583,6 +1596,7 @@ static struct irm * irm_create()
if (dum == NULL) {
LOG_ERR("Could not examine existing shm file.");
+ free(instance);
exit(EXIT_FAILURE);
}
@@ -1592,68 +1606,71 @@ static struct irm * irm_create()
LOG_INFO("Stale shm file removed.");
} else {
LOG_INFO("IRMd already running, exiting.");
- free(i);
+ free(instance);
exit(EXIT_SUCCESS);
}
}
- if (rw_lock_init(&i->state_lock)) {
- irm_destroy(i);
+ if (pthread_rwlock_init(&instance->state_lock, NULL)) {
+ LOG_ERR("Failed to initialize rwlock.");
+ free(instance);
+ return NULL;
+ }
+
+ if (pthread_rwlock_init(&instance->reg_lock, NULL)) {
+ LOG_ERR("Failed to initialize rwlock.");
+ free(instance);
+ return NULL;
+ }
+
+ if (pthread_rwlock_init(&instance->flows_lock, NULL)) {
+ LOG_ERR("Failed to initialize rwlock.");
+ free(instance);
return NULL;
}
- i->threadpool = malloc(sizeof(pthread_t) * IRMD_THREADPOOL_SIZE);
- if (i->threadpool == NULL) {
- irm_destroy(i);
+ instance->threadpool = malloc(sizeof(pthread_t) * IRMD_THREADPOOL_SIZE);
+ if (instance->threadpool == NULL) {
+ irm_destroy();
return NULL;
}
- if ((i->dum = shm_du_map_create()) == NULL) {
- irm_destroy(i);
+ if ((instance->dum = shm_du_map_create()) == NULL) {
+ irm_destroy();
return NULL;
}
- INIT_LIST_HEAD(&i->ipcps);
- INIT_LIST_HEAD(&i->reg_names);
- INIT_LIST_HEAD(&i->port_map);
+ INIT_LIST_HEAD(&instance->ipcps);
+ INIT_LIST_HEAD(&instance->reg_names);
+ INIT_LIST_HEAD(&instance->port_map);
- i->port_ids = bmp_create(IRMD_MAX_FLOWS, 0);
- if (i->port_ids == NULL) {
- irm_destroy(i);
+ instance->port_ids = bmp_create(IRMD_MAX_FLOWS, 0);
+ if (instance->port_ids == NULL) {
+ irm_destroy();
return NULL;
}
if (stat(SOCK_PATH, &st) == -1) {
if (mkdir(SOCK_PATH, 0777)) {
LOG_ERR("Failed to create sockets directory.");
- irm_destroy(i);
+ irm_destroy();
return NULL;
}
}
- i->sockfd = server_socket_open(IRM_SOCK_PATH);
- if (i->sockfd < 0) {
- irm_destroy(i);
+ instance->sockfd = server_socket_open(IRM_SOCK_PATH);
+ if (instance->sockfd < 0) {
+ irm_destroy();
return NULL;
}
if (chmod(IRM_SOCK_PATH, 0666)) {
LOG_ERR("Failed to chmod socket.");
- irm_destroy(i);
- return NULL;
- }
-
- if (rw_lock_init(&i->reg_lock)) {
- irm_destroy(i);
+ irm_destroy();
return NULL;
}
- if (rw_lock_init(&i->flows_lock)) {
- irm_destroy(i);
- return NULL;
- }
-
- return i;
+ return instance;
}
int main()
@@ -1687,18 +1704,21 @@ int main()
if (instance == NULL)
exit(EXIT_FAILURE);
- pthread_create(&instance->cleanup_flows, NULL, irm_flow_cleaner, NULL);
-
for (t = 0; t < IRMD_THREADPOOL_SIZE; ++t)
pthread_create(&instance->threadpool[t], NULL, mainloop, NULL);
+ pthread_create(&instance->cleanup_flows, NULL, irm_flow_cleaner, NULL);
+ pthread_create(&instance->shm_sanitize, NULL,
+ shm_du_map_sanitize, NULL);
+
/* wait for (all of them) to return */
for (t = 0; t < IRMD_THREADPOOL_SIZE; ++t)
pthread_join(instance->threadpool[t], NULL);
+ pthread_join(instance->shm_sanitize, NULL);
pthread_join(instance->cleanup_flows, NULL);
- irm_destroy(instance);
+ irm_destroy();
exit(EXIT_SUCCESS);
}
diff --git a/src/lib/CMakeLists.txt b/src/lib/CMakeLists.txt
index 7db083b6..ed7f2fc6 100644
--- a/src/lib/CMakeLists.txt
+++ b/src/lib/CMakeLists.txt
@@ -32,7 +32,6 @@ set(SOURCE_FILES
ipcp.c
irm.c
list.c
- rw_lock.c
shm_ap_rbuff.c
shm_du_map.c
sockets.c
diff --git a/src/lib/dev.c b/src/lib/dev.c
index ab4365b8..1725cca3 100644
--- a/src/lib/dev.c
+++ b/src/lib/dev.c
@@ -31,7 +31,6 @@
#include <ouroboros/shm_du_map.h>
#include <ouroboros/shm_ap_rbuff.h>
#include <ouroboros/utils.h>
-#include <ouroboros/rw_lock.h>
#include <stdlib.h>
#include <string.h>
@@ -49,10 +48,10 @@ struct ap_data {
struct shm_du_map * dum;
struct bmp * fds;
struct shm_ap_rbuff * rb;
- rw_lock_t data_lock;
+ pthread_rwlock_t data_lock;
struct flow flows[AP_MAX_FLOWS];
- rw_lock_t flows_lock;
+ pthread_rwlock_t flows_lock;
} * _ap_instance;
int ap_init(char * ap_name)
@@ -109,8 +108,8 @@ int ap_init(char * ap_name)
_ap_instance->flows[i].port_id = -1;
}
- rw_lock_init(&_ap_instance->flows_lock);
- rw_lock_init(&_ap_instance->data_lock);
+ pthread_rwlock_init(&_ap_instance->flows_lock, NULL);
+ pthread_rwlock_init(&_ap_instance->data_lock, NULL);
return 0;
}
@@ -122,7 +121,7 @@ void ap_fini(void)
if (_ap_instance == NULL)
return;
- rw_lock_wrlock(&_ap_instance->data_lock);
+ pthread_rwlock_wrlock(&_ap_instance->data_lock);
if (_ap_instance->api != NULL)
instance_name_destroy(_ap_instance->api);
@@ -133,14 +132,14 @@ void ap_fini(void)
if (_ap_instance->rb != NULL)
shm_ap_rbuff_destroy(_ap_instance->rb);
- rw_lock_rdlock(&_ap_instance->flows_lock);
+ pthread_rwlock_rdlock(&_ap_instance->flows_lock);
for (i = 0; i < AP_MAX_FLOWS; ++i)
if (_ap_instance->flows[i].rb != NULL)
shm_ap_rbuff_close(_ap_instance->flows[i].rb);
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ap_instance->data_lock);
free(_ap_instance);
}
@@ -166,12 +165,12 @@ int flow_accept(char ** ae_name)
msg.code = IRM_MSG_CODE__IRM_FLOW_ACCEPT;
msg.has_pid = true;
- rw_lock_rdlock(&_ap_instance->data_lock);
+ pthread_rwlock_rdlock(&_ap_instance->data_lock);
msg.ap_name = _ap_instance->api->name;
msg.pid = _ap_instance->api->id;
- rw_lock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&_ap_instance->data_lock);
recv_msg = send_recv_irm_msg(&msg);
if (recv_msg == NULL) {
@@ -183,13 +182,13 @@ int flow_accept(char ** ae_name)
return -1;
}
- rw_lock_rdlock(&_ap_instance->data_lock);
- rw_lock_wrlock(&_ap_instance->flows_lock);
+ pthread_rwlock_rdlock(&_ap_instance->data_lock);
+ pthread_rwlock_wrlock(&_ap_instance->flows_lock);
cfd = bmp_allocate(_ap_instance->fds);
if (!bmp_is_id_valid(_ap_instance->fds, cfd)) {
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ap_instance->data_lock);
irm_msg__free_unpacked(recv_msg, NULL);
return -1;
}
@@ -197,8 +196,8 @@ int flow_accept(char ** ae_name)
_ap_instance->flows[cfd].rb = shm_ap_rbuff_open(recv_msg->pid);
if (_ap_instance->flows[cfd].rb == NULL) {
bmp_release(_ap_instance->fds, cfd);
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ap_instance->data_lock);
irm_msg__free_unpacked(recv_msg, NULL);
return -1;
}
@@ -208,8 +207,8 @@ int flow_accept(char ** ae_name)
if (*ae_name == NULL) {
shm_ap_rbuff_close(_ap_instance->flows[cfd].rb);
bmp_release(_ap_instance->fds, cfd);
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ap_instance->data_lock);
irm_msg__free_unpacked(recv_msg, NULL);
return -1;
}
@@ -218,8 +217,8 @@ int flow_accept(char ** ae_name)
_ap_instance->flows[cfd].port_id = recv_msg->port_id;
_ap_instance->flows[cfd].oflags = FLOW_O_DEFAULT;
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ap_instance->data_lock);
irm_msg__free_unpacked(recv_msg, NULL);
@@ -241,31 +240,31 @@ int flow_alloc_resp(int fd,
msg.pid = _ap_instance->api->id;
msg.has_port_id = true;
- rw_lock_rdlock(&_ap_instance->data_lock);
- rw_lock_rdlock(&_ap_instance->flows_lock);
+ pthread_rwlock_rdlock(&_ap_instance->data_lock);
+ pthread_rwlock_rdlock(&_ap_instance->flows_lock);
msg.port_id = _ap_instance->flows[fd].port_id;
- rw_lock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
msg.has_response = true;
msg.response = response;
recv_msg = send_recv_irm_msg(&msg);
if (recv_msg == NULL) {
- rw_lock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&_ap_instance->data_lock);
return -1;
}
if (!recv_msg->has_result) {
- rw_lock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&_ap_instance->data_lock);
irm_msg__free_unpacked(recv_msg, NULL);
return -1;
}
ret = recv_msg->result;
- rw_lock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&_ap_instance->data_lock);
irm_msg__free_unpacked(recv_msg, NULL);
@@ -291,11 +290,11 @@ int flow_alloc(char * dst_name,
msg.ae_name = src_ae_name;
msg.has_pid = true;
- rw_lock_rdlock(&_ap_instance->data_lock);
+ pthread_rwlock_rdlock(&_ap_instance->data_lock);
msg.pid = _ap_instance->api->id;
- rw_lock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&_ap_instance->data_lock);
recv_msg = send_recv_irm_msg(&msg);
if (recv_msg == NULL) {
@@ -307,13 +306,13 @@ int flow_alloc(char * dst_name,
return -1;
}
- rw_lock_rdlock(&_ap_instance->data_lock);
- rw_lock_wrlock(&_ap_instance->flows_lock);
+ pthread_rwlock_rdlock(&_ap_instance->data_lock);
+ pthread_rwlock_wrlock(&_ap_instance->flows_lock);
fd = bmp_allocate(_ap_instance->fds);
if (!bmp_is_id_valid(_ap_instance->fds, fd)) {
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ap_instance->data_lock);
irm_msg__free_unpacked(recv_msg, NULL);
return -1;
}
@@ -321,8 +320,8 @@ int flow_alloc(char * dst_name,
_ap_instance->flows[fd].rb = shm_ap_rbuff_open(recv_msg->pid);
if (_ap_instance->flows[fd].rb == NULL) {
bmp_release(_ap_instance->fds, fd);
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ap_instance->data_lock);
irm_msg__free_unpacked(recv_msg, NULL);
return -1;
}
@@ -330,8 +329,8 @@ int flow_alloc(char * dst_name,
_ap_instance->flows[fd].port_id = recv_msg->port_id;
_ap_instance->flows[fd].oflags = FLOW_O_DEFAULT;
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ap_instance->data_lock);
irm_msg__free_unpacked(recv_msg, NULL);
@@ -350,13 +349,13 @@ int flow_alloc_res(int fd)
msg.code = IRM_MSG_CODE__IRM_FLOW_ALLOC_RES;
msg.has_port_id = true;
- rw_lock_rdlock(&_ap_instance->data_lock);
- rw_lock_rdlock(&_ap_instance->flows_lock);
+ pthread_rwlock_rdlock(&_ap_instance->data_lock);
+ pthread_rwlock_rdlock(&_ap_instance->flows_lock);
msg.port_id = _ap_instance->flows[fd].port_id;
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ap_instance->data_lock);
recv_msg = send_recv_irm_msg(&msg);
if (recv_msg == NULL) {
@@ -384,8 +383,8 @@ int flow_dealloc(int fd)
msg.code = IRM_MSG_CODE__IRM_FLOW_DEALLOC;
msg.has_port_id = true;
- rw_lock_rdlock(&_ap_instance->data_lock);
- rw_lock_wrlock(&_ap_instance->flows_lock);
+ pthread_rwlock_rdlock(&_ap_instance->data_lock);
+ pthread_rwlock_wrlock(&_ap_instance->flows_lock);
msg.port_id = _ap_instance->flows[fd].port_id;
@@ -395,23 +394,23 @@ int flow_dealloc(int fd)
bmp_release(_ap_instance->fds, fd);
- rw_lock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
recv_msg = send_recv_irm_msg(&msg);
if (recv_msg == NULL) {
- rw_lock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&_ap_instance->data_lock);
return -1;
}
if (!recv_msg->has_result) {
- rw_lock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&_ap_instance->data_lock);
irm_msg__free_unpacked(recv_msg, NULL);
return -1;
}
ret = recv_msg->result;
- rw_lock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&_ap_instance->data_lock);
irm_msg__free_unpacked(recv_msg, NULL);
@@ -425,24 +424,24 @@ int flow_cntl(int fd, int cmd, int oflags)
if (fd < 0)
return -EBADF;
- rw_lock_rdlock(&_ap_instance->data_lock);
- rw_lock_wrlock(&_ap_instance->flows_lock);
+ pthread_rwlock_rdlock(&_ap_instance->data_lock);
+ pthread_rwlock_wrlock(&_ap_instance->flows_lock);
old = _ap_instance->flows[fd].oflags;
switch (cmd) {
case FLOW_F_GETFL: /* GET FLOW FLAGS */
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ap_instance->data_lock);
return old;
case FLOW_F_SETFL: /* SET FLOW FLAGS */
_ap_instance->flows[fd].oflags = oflags;
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ap_instance->data_lock);
return old;
default:
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ap_instance->data_lock);
return FLOW_O_INVALID; /* unknown command */
}
}
@@ -458,8 +457,8 @@ ssize_t flow_write(int fd, void * buf, size_t count)
if (fd < 0)
return -EBADF;
- rw_lock_rdlock(&_ap_instance->data_lock);
- rw_lock_rdlock(&_ap_instance->flows_lock);
+ pthread_rwlock_rdlock(&_ap_instance->data_lock);
+ pthread_rwlock_rdlock(&_ap_instance->flows_lock);
if (_ap_instance->flows[fd].oflags & FLOW_O_NONBLOCK) {
index = shm_create_du_buff(_ap_instance->dum,
@@ -469,8 +468,8 @@ ssize_t flow_write(int fd, void * buf, size_t count)
(uint8_t *) buf,
count);
if (index == -1) {
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ap_instance->data_lock);
return -1;
}
@@ -479,8 +478,8 @@ ssize_t flow_write(int fd, void * buf, size_t count)
if (shm_ap_rbuff_write(_ap_instance->flows[fd].rb, &e) < 0) {
shm_release_du_buff(_ap_instance->dum, index);
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ap_instance->data_lock);
return -EPIPE;
}
} else { /* blocking */
@@ -499,8 +498,8 @@ ssize_t flow_write(int fd, void * buf, size_t count)
;
}
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ap_instance->data_lock);
return 0;
}
@@ -514,12 +513,12 @@ ssize_t flow_read(int fd, void * buf, size_t count)
if (fd < 0)
return -EBADF;
- rw_lock_rdlock(&_ap_instance->data_lock);
- rw_lock_rdlock(&_ap_instance->flows_lock);
+ pthread_rwlock_rdlock(&_ap_instance->data_lock);
+ pthread_rwlock_rdlock(&_ap_instance->flows_lock);
if (_ap_instance->flows[fd].port_id < 0) {
- rw_lock_unlock(&_ap_instance->flows_lock);
- rw_lock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ap_instance->data_lock);
return -1;
}
@@ -533,10 +532,10 @@ ssize_t flow_read(int fd, void * buf, size_t count)
;
}
- rw_lock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&_ap_instance->flows_lock);
if (idx < 0) {
- rw_lock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&_ap_instance->data_lock);
return -1;
}
@@ -544,7 +543,7 @@ ssize_t flow_read(int fd, void * buf, size_t count)
_ap_instance->dum,
idx);
if (n < 0) {
- rw_lock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&_ap_instance->data_lock);
return -1;
}
@@ -552,7 +551,7 @@ ssize_t flow_read(int fd, void * buf, size_t count)
shm_release_du_buff(_ap_instance->dum, idx);
- rw_lock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&_ap_instance->data_lock);
return n;
}
diff --git a/src/lib/rw_lock.c b/src/lib/rw_lock.c
deleted file mode 100644
index ba285694..00000000
--- a/src/lib/rw_lock.c
+++ /dev/null
@@ -1,127 +0,0 @@
-/*
- * Ouroboros - Copyright (C) 2016
- *
- * Read/Write locks
- *
- * Dimitri Staessens <dimitri.staessens@intec.ugent.be>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <ouroboros/rw_lock.h>
-
-int rw_lock_init(rw_lock_t * lock)
-{
- if (lock == NULL)
- return -1;
-
- pthread_mutex_init(&lock->lock, NULL);
- pthread_mutex_init(&lock->i_lock, NULL);
- lock->i = 0;
-
- return 0;
-}
-
-void rw_lock_destroy(rw_lock_t * lock)
-{
- if (lock == NULL)
- return;
-
- pthread_mutex_destroy(&lock->lock);
- pthread_mutex_destroy(&lock->i_lock);
- lock->i = -1;
-}
-
-int rw_lock_rdlock(rw_lock_t * lock)
-{
- int ret = 0;
-
- if (lock == NULL)
- return -1;
-
- pthread_mutex_lock(&lock->i_lock);
-
- if (lock->i < 0) {
- pthread_mutex_unlock(&lock->i_lock);
- return -1;
- }
-
- if (lock->i == 0)
- ret = pthread_mutex_lock(&lock->lock);
-
- ++(lock->i);
-
- pthread_mutex_unlock(&lock->i_lock);
-
- return ret;
-}
-
-int rw_lock_wrlock(rw_lock_t * lock)
-{
- int ret = 0;
-
- if (lock == NULL)
- return -1;
-
- pthread_mutex_lock(&lock->i_lock);
-
- if (lock->i < 0) {
- pthread_mutex_unlock(&lock->i_lock);
- return -1;
- }
-
- pthread_mutex_unlock(&lock->i_lock);
-
- while (1) {
- pthread_mutex_lock(&lock->i_lock);
-
- if (lock->i == 0) {
- ++(lock->i);
- ret = pthread_mutex_lock(&lock->lock);
- pthread_mutex_unlock(&lock->i_lock);
- break;
- }
-
- pthread_mutex_unlock(&lock->i_lock);
-
- sched_yield();
- }
-
- return ret;
-}
-
-int rw_lock_unlock(rw_lock_t * lock)
-{
- int ret = 0;
-
- if (lock == NULL)
- return -1;
-
- pthread_mutex_lock(&lock->i_lock);
-
- if (lock->i < 0) {
- pthread_mutex_unlock(&lock->i_lock);
- return -1;
- }
-
- --(lock->i);
-
- if (lock->i == 0)
- ret = pthread_mutex_unlock(&lock->lock);
-
- pthread_mutex_unlock(&lock->i_lock);
-
- return ret;
-}
diff --git a/src/lib/shm_du_map.c b/src/lib/shm_du_map.c
index 5f935d3f..f5909e11 100644
--- a/src/lib/shm_du_map.c
+++ b/src/lib/shm_du_map.c
@@ -36,7 +36,8 @@
#define SHM_BLOCKS_SIZE (SHM_BLOCKS_IN_MAP * SHM_DU_BUFF_BLOCK_SIZE)
#define SHM_FILE_SIZE (SHM_BLOCKS_SIZE + 2 * sizeof (size_t) \
- + sizeof(pthread_mutex_t)) + sizeof(pid_t)
+ + sizeof(pthread_mutex_t) + sizeof(pthread_cond_t) \
+ + sizeof(pid_t))
#define get_head_ptr(dum) \
((struct shm_du_buff *)(dum->shm_base + (*dum->ptr_head * \
@@ -73,6 +74,7 @@ struct shm_du_map {
size_t * ptr_head; /* start of ringbuffer head */
size_t * ptr_tail; /* start of ringbuffer tail */
pthread_mutex_t * shm_mutex; /* lock all free space in shm */
+ pthread_cond_t * sanitize; /* run sanitizer when buffer full */
pid_t * pid; /* pid of the irmd owner */
int fd;
};
@@ -82,7 +84,8 @@ struct shm_du_map * shm_du_map_create()
struct shm_du_map * dum;
int shm_fd;
uint8_t * shm_base;
- pthread_mutexattr_t attr;
+ pthread_mutexattr_t mattr;
+ pthread_condattr_t cattr;
dum = malloc(sizeof *dum);
if (dum == NULL) {
@@ -137,11 +140,17 @@ struct shm_du_map * shm_du_map_create()
((uint8_t *) dum->shm_base + SHM_BLOCKS_SIZE);
dum->ptr_tail = dum->ptr_head + 1;
dum->shm_mutex = (pthread_mutex_t *) (dum->ptr_tail + 1);
- dum->pid = (pid_t *) (dum->shm_mutex + 1);
+ dum->sanitize = (pthread_cond_t *) (dum->shm_mutex + 1);
+ dum->pid = (pid_t *) (dum->sanitize + 1);
- pthread_mutexattr_init(&attr);
- pthread_mutexattr_setpshared(&attr, PTHREAD_PROCESS_SHARED);
- pthread_mutex_init(dum->shm_mutex, &attr);
+ pthread_mutexattr_init(&mattr);
+ pthread_mutexattr_setpshared(&mattr, PTHREAD_PROCESS_SHARED);
+ pthread_mutexattr_setrobust(&mattr, PTHREAD_MUTEX_ROBUST);
+ pthread_mutex_init(dum->shm_mutex, &mattr);
+
+ pthread_condattr_init(&cattr);
+ pthread_condattr_setpshared(&cattr, PTHREAD_PROCESS_SHARED);
+ pthread_cond_init(dum->sanitize, &cattr);
*dum->ptr_head = 0;
*dum->ptr_tail = 0;
@@ -193,7 +202,8 @@ struct shm_du_map * shm_du_map_open()
((uint8_t *) dum->shm_base + SHM_BLOCKS_SIZE);
dum->ptr_tail = dum->ptr_head + 1;
dum->shm_mutex = (pthread_mutex_t *) (dum->ptr_tail + 1);
- dum->pid = (pid_t *) (dum->shm_mutex + 1);
+ dum->sanitize = (pthread_cond_t *) (dum->shm_mutex + 1);
+ dum->pid = (pid_t *) (dum->sanitize + 1);
dum->fd = shm_fd;
@@ -205,6 +215,12 @@ pid_t shm_du_map_owner(struct shm_du_map * dum)
return *dum->pid;
}
+void * shm_du_map_sanitize(void * o)
+{
+ LOG_MISSING;
+ return (void *) 0;
+}
+
void shm_du_map_close(struct shm_du_map * dum)
{
if (dum == NULL) {
@@ -294,11 +310,13 @@ ssize_t shm_create_du_buff(struct shm_du_map * dum,
if (!shm_map_free(dum, blocks)) {
pthread_mutex_unlock(dum->shm_mutex);
+ pthread_cond_signal(dum->sanitize);
return -1;
}
#else
if (!shm_map_free(dum, 1)) {
pthread_mutex_unlock(dum->shm_mutex);
+ ptrhead_cond_signal(dum->sanitize);
return -1;
}
#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-14 01:54:10 +0000