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-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
4 files changed, 95 insertions, 206 deletions
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 2024-11-03 01:46:36 +0000