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-rw-r--r--src/lib/dev.c29
-rw-r--r--src/lib/shm_ap_rbuff.c169
-rw-r--r--src/lib/shm_rdrbuff.c64
3 files changed, 174 insertions, 88 deletions
diff --git a/src/lib/dev.c b/src/lib/dev.c
index e20d23d4..c1f769ad 100644
--- a/src/lib/dev.c
+++ b/src/lib/dev.c
@@ -356,6 +356,8 @@ int flow_accept(char ** ae_name)
ai.ports[recv_msg->port_id].fd = fd;
ai.ports[recv_msg->port_id].state = PORT_ID_ASSIGNED;
+ shm_ap_rbuff_open_port(ai.rb, recv_msg->port_id);
+
pthread_rwlock_unlock(&ai.flows_lock);
pthread_rwlock_unlock(&ai.data_lock);
@@ -478,6 +480,8 @@ int flow_alloc(char * dst_name, char * src_ae_name, struct qos_spec * qos)
pthread_rwlock_unlock(&ai.flows_lock);
pthread_rwlock_unlock(&ai.data_lock);
+ shm_ap_rbuff_open_port(ai.rb, recv_msg->port_id);
+
irm_msg__free_unpacked(recv_msg, NULL);
return fd;
@@ -559,6 +563,8 @@ int flow_dealloc(int fd)
bmp_release(ai.fds, fd);
+ shm_ap_rbuff_close_port(ai.rb, msg.port_id);
+
pthread_rwlock_unlock(&ai.flows_lock);
send_irm_msg(&msg);
@@ -630,10 +636,10 @@ ssize_t flow_write(int fd, void * buf, size_t count)
DU_BUFF_TAILSPACE,
buf,
count);
- if (idx == -1) {
+ if (idx < 0) {
pthread_rwlock_unlock(&ai.flows_lock);
pthread_rwlock_unlock(&ai.data_lock);
- return -EAGAIN;
+ return -idx;
}
e.index = idx;
@@ -643,7 +649,7 @@ ssize_t flow_write(int fd, void * buf, size_t count)
shm_rdrbuff_remove(ai.rdrb, idx);
pthread_rwlock_unlock(&ai.flows_lock);
pthread_rwlock_unlock(&ai.data_lock);
- return -1;
+ return -ENOTALLOC;
}
} else { /* blocking */
struct shm_rdrbuff * rdrb = ai.rdrb;
@@ -664,8 +670,12 @@ ssize_t flow_write(int fd, void * buf, size_t count)
e.index = idx;
e.port_id = ai.flows[fd].port_id;
- while (shm_ap_rbuff_write(ai.flows[fd].rb, &e) < 0)
- ;
+ if (shm_ap_rbuff_write(ai.flows[fd].rb, &e) < 0) {
+ shm_rdrbuff_remove(ai.rdrb, e.index);
+ pthread_rwlock_unlock(&ai.flows_lock);
+ pthread_rwlock_unlock(&ai.data_lock);
+ return -ENOTALLOC;
+ }
}
pthread_rwlock_unlock(&ai.flows_lock);
@@ -838,6 +848,8 @@ int np1_flow_alloc(pid_t n_api, int port_id)
ai.ports[port_id].fd = fd;
port_set_state(&ai.ports[port_id], PORT_ID_ASSIGNED);
+ shm_ap_rbuff_open_port(ai.rb, port_id);
+
pthread_rwlock_unlock(&ai.flows_lock);
pthread_rwlock_unlock(&ai.data_lock);
@@ -867,6 +879,8 @@ int np1_flow_dealloc(int port_id)
port_destroy(&ai.ports[port_id]);
+ shm_ap_rbuff_close_port(ai.rb, port_id);
+
pthread_rwlock_unlock(&ai.flows_lock);
pthread_rwlock_unlock(&ai.data_lock);
@@ -902,6 +916,8 @@ int np1_flow_resp(pid_t n_api, int port_id)
ai.flows[fd].rb = rb;
+ shm_ap_rbuff_open_port(ai.rb, port_id);
+
pthread_rwlock_unlock(&ai.flows_lock);
pthread_rwlock_unlock(&ai.data_lock);
@@ -1011,6 +1027,9 @@ int ipcp_flow_alloc_reply(int fd, int response)
msg.has_response = true;
msg.response = response;
+ if (response)
+ shm_ap_rbuff_open_port(ai.rb, msg.port_id);
+
recv_msg = send_recv_irm_msg(&msg);
if (recv_msg == NULL)
return -1;
diff --git a/src/lib/shm_ap_rbuff.c b/src/lib/shm_ap_rbuff.c
index acbc81a6..ede0b7f7 100644
--- a/src/lib/shm_ap_rbuff.c
+++ b/src/lib/shm_ap_rbuff.c
@@ -39,28 +39,33 @@
#include <unistd.h>
#include <signal.h>
#include <sys/stat.h>
+#include <assert.h>
#define FN_MAX_CHARS 255
#define SHM_RBUFF_FILE_SIZE (SHM_BUFFER_SIZE * sizeof(struct rb_entry) \
+ + IRMD_MAX_FLOWS * sizeof(int8_t) \
+ + IRMD_MAX_FLOWS * sizeof (ssize_t) \
+ 2 * sizeof(size_t) + sizeof(pthread_mutex_t) \
+ 2 * sizeof (pthread_cond_t))
-#define shm_rbuff_used(rb)((*rb->ptr_head + SHM_BUFFER_SIZE - *rb->ptr_tail) \
+#define shm_rbuff_used(rb)((*rb->head + SHM_BUFFER_SIZE - *rb->tail) \
& (SHM_BUFFER_SIZE - 1))
#define shm_rbuff_free(rb)(shm_rbuff_used(rb) + 1 < SHM_BUFFER_SIZE)
-#define shm_rbuff_empty(rb) (*rb->ptr_head == *rb->ptr_tail)
-#define head_el_ptr(rb) (rb->shm_base + *rb->ptr_head)
-#define tail_el_ptr(rb) (rb->shm_base + *rb->ptr_tail)
+#define shm_rbuff_empty(rb) (*rb->head == *rb->tail)
+#define head_el_ptr(rb) (rb->shm_base + *rb->head)
+#define tail_el_ptr(rb) (rb->shm_base + *rb->tail)
struct shm_ap_rbuff {
- struct rb_entry * shm_base; /* start of entry */
- size_t * ptr_head; /* start of ringbuffer head */
- size_t * ptr_tail; /* start of ringbuffer tail */
- pthread_mutex_t * lock; /* lock all free space in shm */
- pthread_cond_t * add; /* SDU arrived */
- pthread_cond_t * del; /* SDU removed */
- pid_t api; /* api to which this rb belongs */
+ struct rb_entry * shm_base; /* start of entry */
+ size_t * head; /* start of ringbuffer head */
+ size_t * tail; /* start of ringbuffer tail */
+ int8_t * acl; /* start of port_id access table */
+ ssize_t * cntrs; /* start of port_id counters */
+ pthread_mutex_t * lock; /* lock all free space in shm */
+ pthread_cond_t * add; /* SDU arrived */
+ pthread_cond_t * del; /* SDU removed */
+ pid_t api; /* api to which this rb belongs */
int fd;
};
@@ -73,6 +78,7 @@ struct shm_ap_rbuff * shm_ap_rbuff_create()
pthread_condattr_t cattr;
char fn[FN_MAX_CHARS];
mode_t mask;
+ int i;
sprintf(fn, SHM_AP_RBUFF_PREFIX "%d", getpid());
@@ -125,9 +131,11 @@ struct shm_ap_rbuff * shm_ap_rbuff_create()
}
rb->shm_base = shm_base;
- rb->ptr_head = (size_t *) (rb->shm_base + SHM_BUFFER_SIZE);
- rb->ptr_tail = rb->ptr_head + 1;
- rb->lock = (pthread_mutex_t *) (rb->ptr_tail + 1);
+ rb->head = (size_t *) (rb->shm_base + SHM_BUFFER_SIZE);
+ rb->tail = rb->head + 1;
+ rb->acl = (int8_t *) (rb->tail + 1);
+ rb->cntrs = (ssize_t *) (rb->acl + IRMD_MAX_FLOWS);
+ rb->lock = (pthread_mutex_t *) (rb->cntrs + IRMD_MAX_FLOWS);
rb->add = (pthread_cond_t *) (rb->lock + 1);
rb->del = rb->add + 1;
@@ -143,11 +151,16 @@ struct shm_ap_rbuff * shm_ap_rbuff_create()
#ifndef __APPLE__
pthread_condattr_setclock(&cattr, PTHREAD_COND_CLOCK);
#endif
+ for (i = 0; i < IRMD_MAX_FLOWS; ++i) {
+ rb->cntrs[i] = 0;
+ rb->acl[i] = -1;
+ }
+
pthread_cond_init(rb->add, &cattr);
pthread_cond_init(rb->del, &cattr);
- *rb->ptr_head = 0;
- *rb->ptr_tail = 0;
+ *rb->head = 0;
+ *rb->tail = 0;
rb->fd = shm_fd;
rb->api = getpid();
@@ -197,9 +210,11 @@ struct shm_ap_rbuff * shm_ap_rbuff_open(pid_t api)
}
rb->shm_base = shm_base;
- rb->ptr_head = (size_t *) (rb->shm_base + SHM_BUFFER_SIZE);
- rb->ptr_tail = rb->ptr_head + 1;
- rb->lock = (pthread_mutex_t *) (rb->ptr_tail + 1);
+ rb->head = (size_t *) (rb->shm_base + SHM_BUFFER_SIZE);
+ rb->tail = rb->head + 1;
+ rb->acl = (int8_t *) (rb->tail + 1);
+ rb->cntrs = (ssize_t *) (rb->acl + IRMD_MAX_FLOWS);
+ rb->lock = (pthread_mutex_t *) (rb->cntrs + IRMD_MAX_FLOWS);
rb->add = (pthread_cond_t *) (rb->lock + 1);
rb->del = rb->add + 1;
@@ -211,10 +226,7 @@ struct shm_ap_rbuff * shm_ap_rbuff_open(pid_t api)
void shm_ap_rbuff_close(struct shm_ap_rbuff * rb)
{
- if (rb == NULL) {
- LOG_DBG("Bogus input. Bugging out.");
- return;
- }
+ assert(rb);
if (close(rb->fd) < 0)
LOG_DBG("Couldn't close shared memory.");
@@ -225,15 +237,56 @@ void shm_ap_rbuff_close(struct shm_ap_rbuff * rb)
free(rb);
}
+void shm_ap_rbuff_open_port(struct shm_ap_rbuff * rb, int port_id)
+{
+ assert(rb);
+
+#ifdef __APPLE__
+ pthread_mutex_lock(rb->lock);
+#else
+ if (pthread_mutex_lock(rb->lock) == EOWNERDEAD) {
+ LOG_DBG("Recovering dead mutex.");
+ pthread_mutex_consistent(rb->lock);
+ }
+#endif
+
+#ifdef OUROBOROS_CONFIG_DEBUG
+ if (!rb->acl[port_id])
+ LOG_DBG("Trying to open open port.");
+#endif
+ rb->acl[port_id] = 0; /* open */
+
+ pthread_mutex_unlock(rb->lock);
+}
+
+void shm_ap_rbuff_close_port(struct shm_ap_rbuff * rb, int port_id)
+{
+
+ assert(rb);
+
+#ifdef __APPLE__
+ pthread_mutex_lock(rb->lock);
+#else
+ if (pthread_mutex_lock(rb->lock) == EOWNERDEAD) {
+ LOG_DBG("Recovering dead mutex.");
+ pthread_mutex_consistent(rb->lock);
+ }
+#endif
+#ifdef OUROBOROS_CONFIG_DEBUG
+ if (rb->acl[port_id])
+ LOG_DBG("Trying to close closed port.");
+#endif
+ rb->acl[port_id] = -1;
+
+ pthread_mutex_unlock(rb->lock);
+}
+
void shm_ap_rbuff_destroy(struct shm_ap_rbuff * rb)
{
char fn[25];
struct lockfile * lf = NULL;
- if (rb == NULL) {
- LOG_DBG("Bogus input. Bugging out.");
- return;
- }
+ assert(rb);
if (rb->api != getpid()) {
lf = lockfile_open();
@@ -267,8 +320,8 @@ void shm_ap_rbuff_destroy(struct shm_ap_rbuff * rb)
int shm_ap_rbuff_write(struct shm_ap_rbuff * rb, struct rb_entry * e)
{
- if (rb == NULL || e == NULL)
- return -1;
+ assert(rb);
+ assert(e);
#ifdef __APPLE__
pthread_mutex_lock(rb->lock);
@@ -278,6 +331,11 @@ int shm_ap_rbuff_write(struct shm_ap_rbuff * rb, struct rb_entry * e)
pthread_mutex_consistent(rb->lock);
}
#endif
+ if (rb->acl[e->port_id]) {
+ pthread_mutex_unlock(rb->lock);
+ return -ENOTALLOC;
+ }
+
if (!shm_rbuff_free(rb)) {
pthread_mutex_unlock(rb->lock);
return -1;
@@ -287,7 +345,9 @@ int shm_ap_rbuff_write(struct shm_ap_rbuff * rb, struct rb_entry * e)
pthread_cond_broadcast(rb->add);
*head_el_ptr(rb) = *e;
- *rb->ptr_head = (*rb->ptr_head + 1) & (SHM_BUFFER_SIZE -1);
+ *rb->head = (*rb->head + 1) & (SHM_BUFFER_SIZE -1);
+
+ ++rb->cntrs[e->port_id];
pthread_mutex_unlock(rb->lock);
@@ -298,8 +358,8 @@ int shm_ap_rbuff_pop_idx(struct shm_ap_rbuff * rb)
{
int ret = 0;
- if (rb == NULL)
- return -EINVAL;
+ assert(rb);
+
#ifdef __APPLE__
pthread_mutex_lock(rb->lock);
#else
@@ -314,8 +374,8 @@ int shm_ap_rbuff_pop_idx(struct shm_ap_rbuff * rb)
}
ret = tail_el_ptr(rb)->index;
-
- *rb->ptr_head = (*rb->ptr_head + 1) & (SHM_BUFFER_SIZE -1);
+ --rb->cntrs[tail_el_ptr(rb)->port_id];
+ *rb->tail = (*rb->tail + 1) & (SHM_BUFFER_SIZE -1);
pthread_mutex_unlock(rb->lock);
@@ -328,8 +388,7 @@ static int shm_ap_rbuff_peek_b_all(struct shm_ap_rbuff * rb,
struct timespec abstime;
int ret = 0;
- if (rb == NULL)
- return -EINVAL;
+ assert(rb);
if (timeout != NULL) {
clock_gettime(PTHREAD_COND_CLOCK, &abstime);
@@ -380,6 +439,8 @@ int shm_ap_rbuff_peek_b(struct shm_ap_rbuff * rb,
struct timespec abstime;
int ret;
+ assert(rb);
+
if (set == NULL)
return shm_ap_rbuff_peek_b_all(rb, timeout);
@@ -453,12 +514,10 @@ struct rb_entry * shm_ap_rbuff_read(struct shm_ap_rbuff * rb)
{
struct rb_entry * e = NULL;
- if (rb == NULL)
- return NULL;
+ assert(rb);
pthread_cleanup_push((void(*)(void *))pthread_mutex_unlock,
(void *) rb->lock);
-
#ifdef __APPLE__
pthread_mutex_lock(rb->lock);
#else
@@ -478,8 +537,9 @@ struct rb_entry * shm_ap_rbuff_read(struct shm_ap_rbuff * rb)
#endif
e = malloc(sizeof(*e));
if (e != NULL) {
- *e = *(rb->shm_base + *rb->ptr_tail);
- *rb->ptr_tail = (*rb->ptr_tail + 1) & (SHM_BUFFER_SIZE -1);
+ *e = *(rb->shm_base + *rb->tail);
+ --rb->cntrs[e->port_id];
+ *rb->tail = (*rb->tail + 1) & (SHM_BUFFER_SIZE -1);
}
pthread_cleanup_pop(true);
@@ -499,14 +559,19 @@ ssize_t shm_ap_rbuff_read_port(struct shm_ap_rbuff * rb, int port_id)
pthread_mutex_consistent(rb->lock);
}
#endif
+ if (rb->acl[port_id]) {
+ pthread_mutex_unlock(rb->lock);
+ return -ENOTALLOC;
+ }
+
if (shm_rbuff_empty(rb) || tail_el_ptr(rb)->port_id != port_id) {
pthread_mutex_unlock(rb->lock);
return -1;
}
idx = tail_el_ptr(rb)->index;
-
- *rb->ptr_tail = (*rb->ptr_tail + 1) & (SHM_BUFFER_SIZE -1);
+ --rb->cntrs[port_id];
+ *rb->tail = (*rb->tail + 1) & (SHM_BUFFER_SIZE -1);
pthread_cond_broadcast(rb->del);
pthread_mutex_unlock(rb->lock);
@@ -522,6 +587,8 @@ ssize_t shm_ap_rbuff_read_port_b(struct shm_ap_rbuff * rb,
int ret = 0;
ssize_t idx = -1;
+ assert(rb);
+
#ifdef __APPLE__
pthread_mutex_lock(rb->lock);
#else
@@ -530,7 +597,13 @@ ssize_t shm_ap_rbuff_read_port_b(struct shm_ap_rbuff * rb,
pthread_mutex_consistent(rb->lock);
}
#endif
+ if (rb->acl[port_id]) {
+ pthread_mutex_unlock(rb->lock);
+ return -ENOTALLOC;
+ }
+
if (timeout != NULL) {
+ idx = -ETIMEDOUT;
clock_gettime(PTHREAD_COND_CLOCK, &abstime);
ts_add(&abstime, timeout, &abstime);
}
@@ -577,7 +650,8 @@ ssize_t shm_ap_rbuff_read_port_b(struct shm_ap_rbuff * rb,
if (ret != ETIMEDOUT) {
idx = tail_el_ptr(rb)->index;
- *rb->ptr_tail = (*rb->ptr_tail + 1) & (SHM_BUFFER_SIZE -1);
+ --rb->cntrs[port_id];
+ *rb->tail = (*rb->tail + 1) & (SHM_BUFFER_SIZE -1);
pthread_cond_broadcast(rb->del);
}
@@ -589,11 +663,10 @@ ssize_t shm_ap_rbuff_read_port_b(struct shm_ap_rbuff * rb,
void shm_ap_rbuff_reset(struct shm_ap_rbuff * rb)
{
- if (rb == NULL)
- return;
+ assert(rb);
pthread_mutex_lock(rb->lock);
- *rb->ptr_tail = 0;
- *rb->ptr_head = 0;
+ *rb->tail = 0;
+ *rb->head = 0;
pthread_mutex_unlock(rb->lock);
}
diff --git a/src/lib/shm_rdrbuff.c b/src/lib/shm_rdrbuff.c
index fb58a4d6..f6683dc2 100644
--- a/src/lib/shm_rdrbuff.c
+++ b/src/lib/shm_rdrbuff.c
@@ -35,6 +35,7 @@
#include <signal.h>
#include <sys/stat.h>
#include <stdbool.h>
+#include <assert.h>
#define OUROBOROS_PREFIX "shm_rdrbuff"
@@ -324,8 +325,8 @@ void * shm_rdrbuff_sanitize(void * o)
pid_t api;
- if (rdrb == NULL)
- return (void *) -1;
+ assert(o);
+
#ifdef __APPLE__
pthread_mutex_lock(rdrb->lock);
#else
@@ -397,10 +398,7 @@ void * shm_rdrbuff_sanitize(void * o)
void shm_rdrbuff_close(struct shm_rdrbuff * rdrb)
{
- if (rdrb == NULL) {
- LOG_DBGF("Bogus input. Bugging out.");
- return;
- }
+ assert(rdrb);
if (close(rdrb->fd) < 0)
LOG_DBGF("Couldn't close shared memory.");
@@ -415,10 +413,7 @@ void shm_rdrbuff_destroy(struct shm_rdrbuff * rdrb)
{
char * shm_rdrb_fn;
- if (rdrb == NULL) {
- LOG_DBGF("Bogus input. Bugging out.");
- return;
- }
+ assert(rdrb);
if (getpid() != *rdrb->api && kill(*rdrb->api, 0) == 0) {
LOG_DBG("Process %d tried to destroy active rdrb.", getpid());
@@ -460,10 +455,8 @@ ssize_t shm_rdrbuff_write(struct shm_rdrbuff * rdrb,
int sz = size + sizeof *sdb;
uint8_t * write_pos;
- if (rdrb == NULL || data == NULL) {
- LOG_DBGF("Bogus input, bugging out.");
- return -1;
- }
+ assert(rdrb);
+ assert(data);
#ifndef SHM_RDRB_MULTI_BLOCK
if (sz > SHM_RDRB_BLOCK_SIZE) {
@@ -534,11 +527,11 @@ ssize_t shm_rdrbuff_write(struct shm_rdrbuff * rdrb,
}
ssize_t shm_rdrbuff_write_b(struct shm_rdrbuff * rdrb,
- pid_t dst_api,
- size_t headspace,
- size_t tailspace,
- uint8_t * data,
- size_t len)
+ pid_t dst_api,
+ size_t headspace,
+ size_t tailspace,
+ uint8_t * data,
+ size_t len)
{
struct shm_du_buff * sdb;
size_t size = headspace + len + tailspace;
@@ -549,10 +542,8 @@ ssize_t shm_rdrbuff_write_b(struct shm_rdrbuff * rdrb,
int sz = size + sizeof *sdb;
uint8_t * write_pos;
- if (rdrb == NULL || data == NULL) {
- LOG_DBGF("Bogus input, bugging out.");
- return -1;
- }
+ assert(rdrb);
+ assert(data);
#ifndef SHM_RDRB_MULTI_BLOCK
if (sz > SHM_RDRB_BLOCK_SIZE) {
@@ -631,6 +622,9 @@ int shm_rdrbuff_read(uint8_t ** dst,
size_t len = 0;
struct shm_du_buff * sdb;
+ assert(dst);
+ assert(rdrb);
+
if (idx > SHM_BUFFER_SIZE)
return -1;
#ifdef __APPLE__
@@ -659,6 +653,8 @@ struct shm_du_buff * shm_rdrbuff_get(struct shm_rdrbuff * rdrb, ssize_t idx)
{
struct shm_du_buff * sdb;
+ assert(rdrb);
+
if (idx > SHM_BUFFER_SIZE)
return NULL;
#ifdef __APPLE__
@@ -683,6 +679,8 @@ struct shm_du_buff * shm_rdrbuff_get(struct shm_rdrbuff * rdrb, ssize_t idx)
int shm_rdrbuff_remove(struct shm_rdrbuff * rdrb, ssize_t idx)
{
+ assert(rdrb);
+
if (idx > SHM_BUFFER_SIZE)
return -1;
#ifdef __APPLE__
@@ -717,21 +715,21 @@ int shm_rdrbuff_remove(struct shm_rdrbuff * rdrb, ssize_t idx)
size_t shm_du_buff_get_idx(struct shm_du_buff * sdb)
{
+ assert(sdb);
+
return sdb->idx;
}
uint8_t * shm_du_buff_head(struct shm_du_buff * sdb)
{
- if (sdb == NULL)
- return NULL;
+ assert(sdb);
return (uint8_t *) (sdb + 1) + sdb->du_head;
}
uint8_t * shm_du_buff_tail(struct shm_du_buff * sdb)
{
- if (sdb == NULL)
- return NULL;
+ assert(sdb);
return (uint8_t *) (sdb + 1) + sdb->du_tail;
}
@@ -741,8 +739,7 @@ uint8_t * shm_du_buff_head_alloc(struct shm_du_buff * sdb,
{
uint8_t * buf = NULL;
- if (sdb == NULL)
- return NULL;
+ assert(sdb);
if ((long) (sdb->du_head - size) < 0) {
LOG_ERR("Failed to allocate PCI headspace.");
@@ -761,8 +758,7 @@ uint8_t * shm_du_buff_tail_alloc(struct shm_du_buff * sdb,
{
uint8_t * buf = NULL;
- if (sdb == NULL)
- return NULL;
+ assert(sdb);
if (sdb->du_tail + size >= sdb->size) {
LOG_ERR("Failed to allocate PCI tailspace.");
@@ -779,8 +775,7 @@ uint8_t * shm_du_buff_tail_alloc(struct shm_du_buff * sdb,
int shm_du_buff_head_release(struct shm_du_buff * sdb,
size_t size)
{
- if (sdb == NULL)
- return -1;
+ assert(sdb);
if (size > sdb->du_tail - sdb->du_head) {
LOG_DBGF("Tried to release beyond SDU boundary.");
@@ -795,8 +790,7 @@ int shm_du_buff_head_release(struct shm_du_buff * sdb,
int shm_du_buff_tail_release(struct shm_du_buff * sdb,
size_t size)
{
- if (sdb == NULL)
- return -1;
+ assert(sdb);
if (size > sdb->du_tail - sdb->du_head) {
LOG_ERR("Tried to release beyond SDU boundary.");
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-02 01:19:05 +0000