aboutsummaryrefslogtreecommitdiffstats
path: root/main
diff options
context:
space:
mode:
Diffstat (limited to 'main')
-rw-r--r--main/Makefile2
-rw-r--r--main/astobj2.c24
-rw-r--r--main/channel.c39
-rw-r--r--main/lock.c847
4 files changed, 868 insertions, 44 deletions
diff --git a/main/Makefile b/main/Makefile
index f72ac0780..24dd3486b 100644
--- a/main/Makefile
+++ b/main/Makefile
@@ -27,7 +27,7 @@ OBJS= io.o sched.o logger.o frame.o loader.o config.o channel.o \
netsock.o slinfactory.o ast_expr2.o ast_expr2f.o \
cryptostub.o sha1.o http.o fixedjitterbuf.o abstract_jb.o \
strcompat.o threadstorage.o dial.o astobj2.o global_datastores.o \
- audiohook.o poll.o
+ audiohook.o poll.o lock.o
# we need to link in the objects statically, not as a library, because
# otherwise modules will not have them available if none of the static
diff --git a/main/astobj2.c b/main/astobj2.c
index 392aa09de..5b0b0ba26 100644
--- a/main/astobj2.c
+++ b/main/astobj2.c
@@ -125,11 +125,7 @@ static inline struct astobj2 *INTERNAL_OBJ(void *user_data)
*/
#define EXTERNAL_OBJ(_p) ((_p) == NULL ? NULL : (_p)->user_data)
-#ifndef DEBUG_THREADS
-int ao2_lock(void *user_data)
-#else
int __ao2_lock(void *user_data, const char *file, const char *func, int line, const char *var)
-#endif
{
struct astobj2 *p = INTERNAL_OBJ(user_data);
@@ -140,18 +136,10 @@ int __ao2_lock(void *user_data, const char *file, const char *func, int line, co
ast_atomic_fetchadd_int(&ao2.total_locked, 1);
#endif
-#ifndef DEBUG_THREADS
- return ast_mutex_lock(&p->priv_data.lock);
-#else
return __ast_pthread_mutex_lock(file, line, func, var, &p->priv_data.lock);
-#endif
}
-#ifndef DEBUG_THREADS
-int ao2_trylock(void *user_data)
-#else
int __ao2_trylock(void *user_data, const char *file, const char *func, int line, const char *var)
-#endif
{
struct astobj2 *p = INTERNAL_OBJ(user_data);
int res;
@@ -159,11 +147,7 @@ int __ao2_trylock(void *user_data, const char *file, const char *func, int line,
if (p == NULL)
return -1;
-#ifndef DEBUG_THREADS
- res = ast_mutex_trylock(&p->priv_data.lock);
-#else
res = __ast_pthread_mutex_trylock(file, line, func, var, &p->priv_data.lock);
-#endif
#ifdef AO2_DEBUG
if (!res) {
@@ -174,11 +158,7 @@ int __ao2_trylock(void *user_data, const char *file, const char *func, int line,
return res;
}
-#ifndef DEBUG_THREADS
-int ao2_unlock(void *user_data)
-#else
int __ao2_unlock(void *user_data, const char *file, const char *func, int line, const char *var)
-#endif
{
struct astobj2 *p = INTERNAL_OBJ(user_data);
@@ -189,11 +169,7 @@ int __ao2_unlock(void *user_data, const char *file, const char *func, int line,
ast_atomic_fetchadd_int(&ao2.total_locked, -1);
#endif
-#ifndef DEBUG_THREADS
- return ast_mutex_unlock(&p->priv_data.lock);
-#else
return __ast_pthread_mutex_unlock(file, line, func, var, &p->priv_data.lock);
-#endif
}
/*
diff --git a/main/channel.c b/main/channel.c
index 4141d51bf..fb7c18666 100644
--- a/main/channel.c
+++ b/main/channel.c
@@ -5064,14 +5064,14 @@ const char *channelreloadreason2txt(enum channelreloadreason reason)
}
};
-#ifdef DEBUG_CHANNEL_LOCKS
/*! \brief Unlock AST channel (and print debugging output)
-\note You need to enable DEBUG_CHANNEL_LOCKS for this function
-*/
+\note You need to enable DEBUG_CHANNEL_LOCKS for the debugging output */
int __ast_channel_unlock(struct ast_channel *chan, const char *filename, int lineno, const char *func)
{
int res = 0;
+
+#ifdef DEBUG_CHANNEL_LOCKS
if (option_debug > 2)
ast_log(LOG_DEBUG, "::::==== Unlocking AST channel %s\n", chan->name);
@@ -5080,12 +5080,11 @@ int __ast_channel_unlock(struct ast_channel *chan, const char *filename, int lin
ast_log(LOG_DEBUG, "::::==== Unlocking non-existing channel \n");
return 0;
}
-#ifdef DEBUG_THREADS
- res = __ast_pthread_mutex_unlock(filename, lineno, func, "(channel lock)", &chan->lock);
-#else
- res = ast_mutex_unlock(&chan->lock);
#endif
+ res = __ast_pthread_mutex_unlock(filename, lineno, func, "(channel lock)", &chan->lock);
+
+#ifdef DEBUG_CHANNEL_LOCKS
if (option_debug > 2) {
#ifdef DEBUG_THREADS
int count = 0;
@@ -5098,30 +5097,32 @@ int __ast_channel_unlock(struct ast_channel *chan, const char *filename, int lin
ast_log(LOG_DEBUG, "::::==== Channel %s had no lock by this thread. Failed unlocking\n", chan->name);
}
}
+#endif
if (res == EPERM) {
/* We had no lock, so okay any way*/
+#ifdef DEBUG_CHANNEL_LOCKS
if (option_debug > 3)
ast_log(LOG_DEBUG, "::::==== Channel %s was not locked at all \n", chan->name);
+#endif
res = 0;
}
return res;
}
/*! \brief Lock AST channel (and print debugging output)
-\note You need to enable DEBUG_CHANNEL_LOCKS for this function */
+\note You need to enable DEBUG_CHANNEL_LOCKS for the debugging output */
int __ast_channel_lock(struct ast_channel *chan, const char *filename, int lineno, const char *func)
{
int res;
+#ifdef DEBUG_CHANNEL_LOCKS
if (option_debug > 3)
ast_log(LOG_DEBUG, "====:::: Locking AST channel %s\n", chan->name);
+#endif
-#ifdef DEBUG_THREADS
res = __ast_pthread_mutex_lock(filename, lineno, func, "(channel lock)", &chan->lock);
-#else
- res = ast_mutex_lock(&chan->lock);
-#endif
+#ifdef DEBUG_CHANNEL_LOCKS
if (option_debug > 3) {
#ifdef DEBUG_THREADS
int count = 0;
@@ -5138,23 +5139,24 @@ int __ast_channel_lock(struct ast_channel *chan, const char *filename, int linen
ast_log(LOG_DEBUG, "::::==== Channel %s lock failed. No mutex.\n", chan->name);
}
}
+#endif
return res;
}
/*! \brief Lock AST channel (and print debugging output)
-\note You need to enable DEBUG_CHANNEL_LOCKS for this function */
+\note You need to enable DEBUG_CHANNEL_LOCKS for the debugging output */
int __ast_channel_trylock(struct ast_channel *chan, const char *filename, int lineno, const char *func)
{
int res;
+#ifdef DEBUG_CHANNEL_LOCKS
if (option_debug > 2)
ast_log(LOG_DEBUG, "====:::: Trying to lock AST channel %s\n", chan->name);
-#ifdef DEBUG_THREADS
- res = __ast_pthread_mutex_trylock(filename, lineno, func, "(channel lock)", &chan->lock);
-#else
- res = ast_mutex_trylock(&chan->lock);
#endif
+ res = __ast_pthread_mutex_trylock(filename, lineno, func, "(channel lock)", &chan->lock);
+
+#ifdef DEBUG_CHANNEL_LOCKS
if (option_debug > 2) {
#ifdef DEBUG_THREADS
int count = 0;
@@ -5174,11 +5176,10 @@ int __ast_channel_trylock(struct ast_channel *chan, const char *filename, int li
if (res == EINVAL)
ast_log(LOG_DEBUG, "::::==== Channel %s lock failed. No mutex.\n", chan->name);
}
+#endif
return res;
}
-#endif
-
/*
* Wrappers for various ast_say_*() functions that call the full version
* of the same functions.
diff --git a/main/lock.c b/main/lock.c
new file mode 100644
index 000000000..49fab1b78
--- /dev/null
+++ b/main/lock.c
@@ -0,0 +1,847 @@
+/*
+ * Asterisk -- An open source telephony toolkit.
+ *
+ * Copyright (C) 1999 - 2010, Digium, Inc.
+ *
+ * Mark Spencer <markster@digium.com>
+ *
+ * See http://www.asterisk.org for more information about
+ * the Asterisk project. Please do not directly contact
+ * any of the maintainers of this project for assistance;
+ * the project provides a web site, mailing lists and IRC
+ * channels for your use.
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License Version 2. See the LICENSE file
+ * at the top of the source tree.
+ */
+
+/*! \file
+ *
+ * \brief General Asterisk locking.
+ */
+
+#include "asterisk.h"
+
+ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
+
+#include "asterisk/lock.h"
+
+#define ROFFSET ((t->reentrancy > 0) ? (t->reentrancy-1) : 0)
+
+/* Allow direct use of pthread_mutex_* / pthread_cond_* */
+#undef pthread_mutex_init
+#undef pthread_mutex_destroy
+#undef pthread_mutex_lock
+#undef pthread_mutex_trylock
+#undef pthread_mutex_unlock
+#undef pthread_cond_init
+#undef pthread_cond_signal
+#undef pthread_cond_broadcast
+#undef pthread_cond_destroy
+#undef pthread_cond_wait
+#undef pthread_cond_timedwait
+
+int __ast_pthread_mutex_init(int track, const char *filename, int lineno, const char *func,
+ const char *mutex_name, ast_mutex_t *t)
+{
+ int res;
+ pthread_mutexattr_t attr;
+
+#ifdef DEBUG_THREADS
+#ifdef AST_MUTEX_INIT_W_CONSTRUCTORS
+ if ((t->mutex) != ((pthread_mutex_t) PTHREAD_MUTEX_INITIALIZER)) {
+/*
+ int canlog = strcmp(filename, "logger.c") & track;
+ __ast_mutex_logger("%s line %d (%s): NOTICE: mutex '%s' is already initialized.\n",
+ filename, lineno, func, mutex_name);
+ DO_THREAD_CRASH;
+*/
+ return 0;
+ }
+#endif /* AST_MUTEX_INIT_W_CONSTRUCTORS */
+
+ ast_reentrancy_init(t);
+ t->track = track;
+#endif /* DEBUG_THREADS */
+
+ pthread_mutexattr_init(&attr);
+ pthread_mutexattr_settype(&attr, AST_MUTEX_KIND);
+
+ res = pthread_mutex_init(&t->mutex, &attr);
+ pthread_mutexattr_destroy(&attr);
+ return res;
+}
+
+int __ast_pthread_mutex_destroy(const char *filename, int lineno, const char *func,
+ const char *mutex_name, ast_mutex_t *t)
+{
+ int res;
+
+#ifdef DEBUG_THREADS
+ int canlog = strcmp(filename, "logger.c") & t->track;
+
+#ifdef AST_MUTEX_INIT_W_CONSTRUCTORS
+ if ((t->mutex) == ((pthread_mutex_t) PTHREAD_MUTEX_INITIALIZER)) {
+ /* Don't try to uninitialize non initialized mutex
+ * This may no effect on linux
+ * And always ganerate core on *BSD with
+ * linked libpthread
+ * This not error condition if the mutex created on the fly.
+ */
+ __ast_mutex_logger("%s line %d (%s): NOTICE: mutex '%s' is uninitialized.\n",
+ filename, lineno, func, mutex_name);
+ return 0;
+ }
+#endif
+
+ res = pthread_mutex_trylock(&t->mutex);
+ switch (res) {
+ case 0:
+ pthread_mutex_unlock(&t->mutex);
+ break;
+ case EINVAL:
+ __ast_mutex_logger("%s line %d (%s): Error: attempt to destroy invalid mutex '%s'.\n",
+ filename, lineno, func, mutex_name);
+ break;
+ case EBUSY:
+ __ast_mutex_logger("%s line %d (%s): Error: attempt to destroy locked mutex '%s'.\n",
+ filename, lineno, func, mutex_name);
+ ast_reentrancy_lock(t);
+ __ast_mutex_logger("%s line %d (%s): Error: '%s' was locked here.\n",
+ t->file[ROFFSET], t->lineno[ROFFSET], t->func[ROFFSET], mutex_name);
+ ast_reentrancy_unlock(t);
+ break;
+ }
+#endif /* DEBUG_THREADS */
+
+ res = pthread_mutex_destroy(&t->mutex);
+
+#ifdef DEBUG_THREADS
+ if (res)
+ __ast_mutex_logger("%s line %d (%s): Error destroying mutex %s: %s\n",
+ filename, lineno, func, mutex_name, strerror(res));
+#ifndef PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP
+ else
+ t->mutex = PTHREAD_MUTEX_INIT_VALUE;
+#endif
+ ast_reentrancy_lock(t);
+ t->file[0] = filename;
+ t->lineno[0] = lineno;
+ t->func[0] = func;
+ t->reentrancy = 0;
+ t->thread[0] = 0;
+ ast_reentrancy_unlock(t);
+ delete_reentrancy_cs(t);
+#endif /* DEBUG_THREADS */
+
+ return res;
+}
+
+int __ast_pthread_mutex_lock(const char *filename, int lineno, const char *func,
+ const char* mutex_name, ast_mutex_t *t)
+{
+ int res;
+#ifdef DEBUG_THREADS
+ int canlog = strcmp(filename, "logger.c") & t->track;
+#if defined(AST_MUTEX_INIT_W_CONSTRUCTORS)
+ if ((t->mutex) == ((pthread_mutex_t) PTHREAD_MUTEX_INITIALIZER)) {
+ /* Don't warn abount uninitialized mutex.
+ * Simple try to initialize it.
+ * May be not needed in linux system.
+ */
+ res = __ast_pthread_mutex_init(t->track, filename, lineno, func, mutex_name, t);
+ if ((t->mutex) == ((pthread_mutex_t) PTHREAD_MUTEX_INITIALIZER)) {
+ __ast_mutex_logger("%s line %d (%s): Error: mutex '%s' is uninitialized and unable to initialize.\n",
+ filename, lineno, func, mutex_name);
+ return res;
+ }
+ }
+#endif /* AST_MUTEX_INIT_W_CONSTRUCTORS */
+
+ if (t->track)
+ ast_store_lock_info(AST_MUTEX, filename, lineno, func, mutex_name, &t->mutex);
+#endif /* DEBUG_THREADS */
+
+#ifdef DETECT_DEADLOCKS
+#ifdef DEBUG_THREADS
+ {
+ time_t seconds = time(NULL);
+ time_t wait_time, reported_wait = 0;
+ do {
+#ifdef HAVE_MTX_PROFILE
+ ast_mark(mtx_prof, 1);
+#endif
+ res = pthread_mutex_trylock(&t->mutex);
+#ifdef HAVE_MTX_PROFILE
+ ast_mark(mtx_prof, 0);
+#endif
+ if (res == EBUSY) {
+ wait_time = time(NULL) - seconds;
+ if (wait_time > reported_wait && (wait_time % 5) == 0) {
+ __ast_mutex_logger("%s line %d (%s): Deadlock? waited %d sec for mutex '%s'?\n",
+ filename, lineno, func, (int) wait_time, mutex_name);
+ ast_reentrancy_lock(t);
+ __ast_mutex_logger("%s line %d (%s): '%s' was locked here.\n",
+ t->file[ROFFSET], t->lineno[ROFFSET],
+ t->func[ROFFSET], mutex_name);
+ ast_reentrancy_unlock(t);
+ reported_wait = wait_time;
+ }
+ usleep(200);
+ }
+ } while (res == EBUSY);
+ }
+#endif /* DEBUG_THREADS */
+#else /* !DETECT_DEADLOCKS */
+#ifdef HAVE_MTX_PROFILE
+ ast_mark(mtx_prof, 1);
+ res = pthread_mutex_trylock(&t->mutex);
+ ast_mark(mtx_prof, 0);
+ if (res)
+#endif
+ res = pthread_mutex_lock(&t->mutex);
+#endif /* !DETECT_DEADLOCKS */
+
+#ifdef DEBUG_THREADS
+ if (!res) {
+ ast_reentrancy_lock(t);
+ if (t->reentrancy < AST_MAX_REENTRANCY) {
+ t->file[t->reentrancy] = filename;
+ t->lineno[t->reentrancy] = lineno;
+ t->func[t->reentrancy] = func;
+ t->thread[t->reentrancy] = pthread_self();
+ t->reentrancy++;
+ } else {
+ __ast_mutex_logger("%s line %d (%s): '%s' really deep reentrancy!\n",
+ filename, lineno, func, mutex_name);
+ }
+ ast_reentrancy_unlock(t);
+ if (t->track)
+ ast_mark_lock_acquired(&t->mutex);
+ } else {
+ if (t->track)
+ ast_remove_lock_info(&t->mutex);
+ __ast_mutex_logger("%s line %d (%s): Error obtaining mutex: %s\n",
+ filename, lineno, func, strerror(res));
+ DO_THREAD_CRASH;
+ }
+#endif /* DEBUG_THREADS */
+ return res;
+}
+
+int __ast_pthread_mutex_trylock(const char *filename, int lineno, const char *func,
+ const char* mutex_name, ast_mutex_t *t)
+{
+ int res;
+#ifdef DEBUG_THREADS
+ int canlog = strcmp(filename, "logger.c") & t->track;
+
+#if defined(AST_MUTEX_INIT_W_CONSTRUCTORS)
+ if ((t->mutex) == ((pthread_mutex_t) PTHREAD_MUTEX_INITIALIZER)) {
+ /* Don't warn abount uninitialized mutex.
+ * Simple try to initialize it.
+ * May be not needed in linux system.
+ */
+ res = __ast_pthread_mutex_init(t->track, filename, lineno, func, mutex_name, t);
+ if ((t->mutex) == ((pthread_mutex_t) PTHREAD_MUTEX_INITIALIZER)) {
+ __ast_mutex_logger("%s line %d (%s): Error: mutex '%s' is uninitialized and unable to initialize.\n",
+ filename, lineno, func, mutex_name);
+ return res;
+ }
+ }
+#endif /* AST_MUTEX_INIT_W_CONSTRUCTORS */
+
+ if (t->track)
+ ast_store_lock_info(AST_MUTEX, filename, lineno, func, mutex_name, &t->mutex);
+#endif /* DEBUG_THREADS */
+
+ res = pthread_mutex_trylock(&t->mutex);
+
+#ifdef DEBUG_THREADS
+ if (!res) {
+ ast_reentrancy_lock(t);
+ if (t->reentrancy < AST_MAX_REENTRANCY) {
+ t->file[t->reentrancy] = filename;
+ t->lineno[t->reentrancy] = lineno;
+ t->func[t->reentrancy] = func;
+ t->thread[t->reentrancy] = pthread_self();
+ t->reentrancy++;
+ } else {
+ __ast_mutex_logger("%s line %d (%s): '%s' really deep reentrancy!\n",
+ filename, lineno, func, mutex_name);
+ }
+ ast_reentrancy_unlock(t);
+ if (t->track)
+ ast_mark_lock_acquired(&t->mutex);
+ } else if (t->track) {
+ ast_mark_lock_failed(&t->mutex);
+ }
+#endif /* DEBUG_THREADS */
+ return res;
+}
+
+int __ast_pthread_mutex_unlock(const char *filename, int lineno, const char *func,
+ const char *mutex_name, ast_mutex_t *t)
+{
+ int res;
+#ifdef DEBUG_THREADS
+ int canlog = strcmp(filename, "logger.c") & t->track;
+
+#ifdef AST_MUTEX_INIT_W_CONSTRUCTORS
+ if ((t->mutex) == ((pthread_mutex_t) PTHREAD_MUTEX_INITIALIZER)) {
+ __ast_mutex_logger("%s line %d (%s): Error: mutex '%s' is uninitialized.\n",
+ filename, lineno, func, mutex_name);
+ res = __ast_pthread_mutex_init(t->track, filename, lineno, func, mutex_name, t);
+ if ((t->mutex) == ((pthread_mutex_t) PTHREAD_MUTEX_INITIALIZER)) {
+ __ast_mutex_logger("%s line %d (%s): Error: mutex '%s' is uninitialized and unable to initialize.\n",
+ filename, lineno, func, mutex_name);
+ }
+ return res;
+ }
+#endif /* AST_MUTEX_INIT_W_CONSTRUCTORS */
+
+ ast_reentrancy_lock(t);
+ if (t->reentrancy && (t->thread[ROFFSET] != pthread_self())) {
+ __ast_mutex_logger("%s line %d (%s): attempted unlock mutex '%s' without owning it!\n",
+ filename, lineno, func, mutex_name);
+ __ast_mutex_logger("%s line %d (%s): '%s' was locked here.\n",
+ t->file[ROFFSET], t->lineno[ROFFSET], t->func[ROFFSET], mutex_name);
+ DO_THREAD_CRASH;
+ }
+
+ if (--t->reentrancy < 0) {
+ __ast_mutex_logger("%s line %d (%s): mutex '%s' freed more times than we've locked!\n",
+ filename, lineno, func, mutex_name);
+ t->reentrancy = 0;
+ }
+
+ if (t->reentrancy < AST_MAX_REENTRANCY) {
+ t->file[t->reentrancy] = NULL;
+ t->lineno[t->reentrancy] = 0;
+ t->func[t->reentrancy] = NULL;
+ t->thread[t->reentrancy] = 0;
+ }
+ ast_reentrancy_unlock(t);
+
+ if (t->track)
+ ast_remove_lock_info(&t->mutex);
+#endif /* DEBUG_THREADS */
+
+ res = pthread_mutex_unlock(&t->mutex);
+
+#ifdef DEBUG_THREADS
+ if (res) {
+ __ast_mutex_logger("%s line %d (%s): Error releasing mutex: %s\n",
+ filename, lineno, func, strerror(res));
+ DO_THREAD_CRASH;
+ }
+#endif /* DEBUG_THREADS */
+ return res;
+}
+
+int __ast_cond_init(const char *filename, int lineno, const char *func,
+ const char *cond_name, ast_cond_t *cond, pthread_condattr_t *cond_attr)
+{
+ return pthread_cond_init(cond, cond_attr);
+}
+
+int __ast_cond_signal(const char *filename, int lineno, const char *func,
+ const char *cond_name, ast_cond_t *cond)
+{
+ return pthread_cond_signal(cond);
+}
+
+int __ast_cond_broadcast(const char *filename, int lineno, const char *func,
+ const char *cond_name, ast_cond_t *cond)
+{
+ return pthread_cond_broadcast(cond);
+}
+
+int __ast_cond_destroy(const char *filename, int lineno, const char *func,
+ const char *cond_name, ast_cond_t *cond)
+{
+ return pthread_cond_destroy(cond);
+}
+
+int __ast_cond_wait(const char *filename, int lineno, const char *func,
+ const char *cond_name, const char *mutex_name,
+ ast_cond_t *cond, ast_mutex_t *t)
+{
+ int res;
+#ifdef DEBUG_THREADS
+ int canlog = strcmp(filename, "logger.c") & t->track;
+
+#ifdef AST_MUTEX_INIT_W_CONSTRUCTORS
+ if ((t->mutex) == ((pthread_mutex_t) PTHREAD_MUTEX_INITIALIZER)) {
+ __ast_mutex_logger("%s line %d (%s): Error: mutex '%s' is uninitialized.\n",
+ filename, lineno, func, mutex_name);
+ res = __ast_pthread_mutex_init(t->track, filename, lineno, func, mutex_name, t);
+ if ((t->mutex) == ((pthread_mutex_t) PTHREAD_MUTEX_INITIALIZER)) {
+ __ast_mutex_logger("%s line %d (%s): Error: mutex '%s' is uninitialized and unable to initialize.\n",
+ filename, lineno, func, mutex_name);
+ }
+ return res;
+ }
+#endif /* AST_MUTEX_INIT_W_CONSTRUCTORS */
+
+ ast_reentrancy_lock(t);
+ if (t->reentrancy && (t->thread[ROFFSET] != pthread_self())) {
+ __ast_mutex_logger("%s line %d (%s): attempted unlock mutex '%s' without owning it!\n",
+ filename, lineno, func, mutex_name);
+ __ast_mutex_logger("%s line %d (%s): '%s' was locked here.\n",
+ t->file[ROFFSET], t->lineno[ROFFSET], t->func[ROFFSET], mutex_name);
+ DO_THREAD_CRASH;
+ }
+
+ if (--t->reentrancy < 0) {
+ __ast_mutex_logger("%s line %d (%s): mutex '%s' freed more times than we've locked!\n",
+ filename, lineno, func, mutex_name);
+ t->reentrancy = 0;
+ }
+
+ if (t->reentrancy < AST_MAX_REENTRANCY) {
+ t->file[t->reentrancy] = NULL;
+ t->lineno[t->reentrancy] = 0;
+ t->func[t->reentrancy] = NULL;
+ t->thread[t->reentrancy] = 0;
+ }
+ ast_reentrancy_unlock(t);
+
+ if (t->track)
+ ast_remove_lock_info(&t->mutex);
+#endif /* DEBUG_THREADS */
+
+ res = pthread_cond_wait(cond, &t->mutex);
+
+#ifdef DEBUG_THREADS
+ if (res) {
+ __ast_mutex_logger("%s line %d (%s): Error waiting on condition mutex '%s'\n",
+ filename, lineno, func, strerror(res));
+ DO_THREAD_CRASH;
+ } else {
+ ast_reentrancy_lock(t);
+ if (t->reentrancy < AST_MAX_REENTRANCY) {
+ t->file[t->reentrancy] = filename;
+ t->lineno[t->reentrancy] = lineno;
+ t->func[t->reentrancy] = func;
+ t->thread[t->reentrancy] = pthread_self();
+ t->reentrancy++;
+ } else {
+ __ast_mutex_logger("%s line %d (%s): '%s' really deep reentrancy!\n",
+ filename, lineno, func, mutex_name);
+ }
+ ast_reentrancy_unlock(t);
+
+ if (t->track)
+ ast_store_lock_info(AST_MUTEX, filename, lineno, func, mutex_name, &t->mutex);
+ }
+#endif /* DEBUG_THREADS */
+ return res;
+}
+
+int __ast_cond_timedwait(const char *filename, int lineno, const char *func,
+ const char *cond_name, const char *mutex_name, ast_cond_t *cond,
+ ast_mutex_t *t, const struct timespec *abstime)
+{
+ int res;
+#ifdef DEBUG_THREADS
+ int canlog = strcmp(filename, "logger.c") & t->track;
+
+#ifdef AST_MUTEX_INIT_W_CONSTRUCTORS
+ if ((t->mutex) == ((pthread_mutex_t) PTHREAD_MUTEX_INITIALIZER)) {
+ __ast_mutex_logger("%s line %d (%s): Error: mutex '%s' is uninitialized.\n",
+ filename, lineno, func, mutex_name);
+ res = __ast_pthread_mutex_init(t->track, filename, lineno, func, mutex_name, t);
+ if ((t->mutex) == ((pthread_mutex_t) PTHREAD_MUTEX_INITIALIZER)) {
+ __ast_mutex_logger("%s line %d (%s): Error: mutex '%s' is uninitialized and unable to initialize.\n",
+ filename, lineno, func, mutex_name);
+ }
+ return res;
+ }
+#endif /* AST_MUTEX_INIT_W_CONSTRUCTORS */
+
+ ast_reentrancy_lock(t);
+ if (t->reentrancy && (t->thread[ROFFSET] != pthread_self())) {
+ __ast_mutex_logger("%s line %d (%s): attempted unlock mutex '%s' without owning it!\n",
+ filename, lineno, func, mutex_name);
+ __ast_mutex_logger("%s line %d (%s): '%s' was locked here.\n",
+ t->file[ROFFSET], t->lineno[ROFFSET], t->func[ROFFSET], mutex_name);
+ DO_THREAD_CRASH;
+ }
+
+ if (--t->reentrancy < 0) {
+ __ast_mutex_logger("%s line %d (%s): mutex '%s' freed more times than we've locked!\n",
+ filename, lineno, func, mutex_name);
+ t->reentrancy = 0;
+ }
+
+ if (t->reentrancy < AST_MAX_REENTRANCY) {
+ t->file[t->reentrancy] = NULL;
+ t->lineno[t->reentrancy] = 0;
+ t->func[t->reentrancy] = NULL;
+ t->thread[t->reentrancy] = 0;
+ }
+ ast_reentrancy_unlock(t);
+
+ if (t->track)
+ ast_remove_lock_info(&t->mutex);
+#endif /* DEBUG_THREADS */
+
+ res = pthread_cond_timedwait(cond, &t->mutex, abstime);
+
+#ifdef DEBUG_THREADS
+ if (res && (res != ETIMEDOUT)) {
+ __ast_mutex_logger("%s line %d (%s): Error waiting on condition mutex '%s'\n",
+ filename, lineno, func, strerror(res));
+ DO_THREAD_CRASH;
+ } else {
+ ast_reentrancy_lock(t);
+ if (t->reentrancy < AST_MAX_REENTRANCY) {
+ t->file[t->reentrancy] = filename;
+ t->lineno[t->reentrancy] = lineno;
+ t->func[t->reentrancy] = func;
+ t->thread[t->reentrancy] = pthread_self();
+ t->reentrancy++;
+ } else {
+ __ast_mutex_logger("%s line %d (%s): '%s' really deep reentrancy!\n",
+ filename, lineno, func, mutex_name);
+ }
+ ast_reentrancy_unlock(t);
+
+ if (t->track)
+ ast_store_lock_info(AST_MUTEX, filename, lineno, func, mutex_name, &t->mutex);
+ }
+#endif /* DEBUG_THREADS */
+ return res;
+}
+
+
+
+int __ast_rwlock_init(const char *filename, int lineno, const char *func, const char *rwlock_name, ast_rwlock_t *prwlock)
+{
+ int res;
+ pthread_rwlockattr_t attr;
+#ifdef DEBUG_THREADS
+#ifdef AST_MUTEX_INIT_W_CONSTRUCTORS
+ int canlog = strcmp(filename, "logger.c");
+
+ if (*prwlock != ((ast_rwlock_t) AST_RWLOCK_INIT_VALUE)) {
+ __ast_mutex_logger("%s line %d (%s): Warning: rwlock '%s' is already initialized.\n",
+ filename, lineno, func, rwlock_name);
+ return 0;
+ }
+#endif /* AST_MUTEX_INIT_W_CONSTRUCTORS */
+#endif /* DEBUG_THREADS */
+ pthread_rwlockattr_init(&attr);
+
+#ifdef HAVE_PTHREAD_RWLOCK_PREFER_WRITER_NP
+ pthread_rwlockattr_setkind_np(&attr, PTHREAD_RWLOCK_PREFER_WRITER_NP);
+#endif
+
+ res = pthread_rwlock_init(prwlock, &attr);
+ pthread_rwlockattr_destroy(&attr);
+ return res;
+}
+
+int __ast_rwlock_destroy(const char *filename, int lineno, const char *func, const char *rwlock_name, ast_rwlock_t *prwlock)
+{
+ int res;
+#ifdef DEBUG_THREADS
+ int canlog = strcmp(filename, "logger.c");
+
+#ifdef AST_MUTEX_INIT_W_CONSTRUCTORS
+ if (*prwlock == ((ast_rwlock_t) AST_RWLOCK_INIT_VALUE)) {
+ __ast_mutex_logger("%s line %d (%s): Warning: rwlock '%s' is uninitialized.\n",
+ filename, lineno, func, rwlock_name);
+ return 0;
+ }
+#endif /* AST_MUTEX_INIT_W_CONSTRUCTORS */
+#endif /* DEBUG_THREADS */
+
+ res = pthread_rwlock_destroy(prwlock);
+
+#ifdef DEBUG_THREADS
+ if (res) {
+ __ast_mutex_logger("%s line %d (%s): Error destroying rwlock %s: %s\n",
+ filename, lineno, func, rwlock_name, strerror(res));
+ }
+#endif /* DEBUG_THREADS */
+
+ return res;
+}
+
+int __ast_rwlock_rdlock(const char *file, int line, const char *func, const char *name, ast_rwlock_t *lock)
+{
+ int res;
+#ifdef DEBUG_THREADS
+#ifdef AST_MUTEX_INIT_W_CONSTRUCTORS
+ int canlog = strcmp(file, "logger.c");
+
+ if (*lock == ((ast_rwlock_t) AST_RWLOCK_INIT_VALUE)) {
+ /* Don't warn abount uninitialized lock.
+ * Simple try to initialize it.
+ * May be not needed in linux system.
+ */
+ res = __ast_rwlock_init(file, line, func, name, lock);
+ if (*lock == ((ast_rwlock_t) AST_RWLOCK_INIT_VALUE)) {
+ __ast_mutex_logger("%s line %d (%s): Error: rwlock '%s' is uninitialized and unable to initialize.\n",
+ file, line, func, name);
+ return res;
+ }
+ }
+#endif /* AST_MUTEX_INIT_W_CONSTRUCTORS */
+
+ ast_store_lock_info(AST_RDLOCK, file, line, func, name, lock);
+#endif /* DEBUG_THREADS */
+
+ res = pthread_rwlock_rdlock(lock);
+
+#ifdef DEBUG_THREADS
+ if (!res)
+ ast_mark_lock_acquired(lock);
+ else
+ ast_remove_lock_info(lock);
+#endif /* DEBUG_THREADS */
+ return res;
+}
+
+int __ast_rwlock_wrlock(const char *file, int line, const char *func, const char *name, ast_rwlock_t *lock)
+{
+ int res;
+#ifdef DEBUG_THREADS
+#ifdef AST_MUTEX_INIT_W_CONSTRUCTORS
+ int canlog = strcmp(file, "logger.c");
+
+ if (*lock == ((ast_rwlock_t) AST_RWLOCK_INIT_VALUE)) {
+ /* Don't warn abount uninitialized lock.
+ * Simple try to initialize it.
+ * May be not needed in linux system.
+ */
+ res = __ast_rwlock_init(file, line, func, name, lock);
+ if (*lock == ((ast_rwlock_t) AST_RWLOCK_INIT_VALUE)) {
+ __ast_mutex_logger("%s line %d (%s): Error: rwlock '%s' is uninitialized and unable to initialize.\n",
+ file, line, func, name);
+ return res;
+ }
+ }
+#endif /* AST_MUTEX_INIT_W_CONSTRUCTORS */
+
+ ast_store_lock_info(AST_WRLOCK, file, line, func, name, lock);
+#endif /* DEBUG_THREADS */
+
+ res = pthread_rwlock_wrlock(lock);
+
+#ifdef DEBUG_THREADS
+ if (!res)
+ ast_mark_lock_acquired(lock);
+ else
+ ast_remove_lock_info(lock);
+#endif /* DEBUG_THREADS */
+
+ return res;
+}
+
+int __ast_rwlock_tryrdlock(const char *file, int line, const char *func, const char *name, ast_rwlock_t *lock)
+{
+ int res;
+#ifdef DEBUG_THREADS
+#ifdef AST_MUTEX_INIT_W_CONSTRUCTORS
+ int canlog = strcmp(file, "logger.c");
+
+ if (*lock == ((ast_rwlock_t) AST_RWLOCK_INIT_VALUE)) {
+ /* Don't warn abount uninitialized lock.
+ * Simple try to initialize it.
+ * May be not needed in linux system.
+ */
+ res = __ast_rwlock_init(file, line, func, name, lock);
+ if (*lock == ((ast_rwlock_t) AST_RWLOCK_INIT_VALUE)) {
+ __ast_mutex_logger("%s line %d (%s): Error: rwlock '%s' is uninitialized and unable to initialize.\n",
+ file, line, func, name);
+ return res;
+ }
+ }
+#endif /* AST_MUTEX_INIT_W_CONSTRUCTORS */
+
+ ast_store_lock_info(AST_RDLOCK, file, line, func, name, lock);
+#endif /* DEBUG_THREADS */
+
+ res = pthread_rwlock_tryrdlock(lock);
+
+#ifdef DEBUG_THREADS
+ if (!res)
+ ast_mark_lock_acquired(lock);
+ else
+ ast_remove_lock_info(lock);
+#endif /* DEBUG_THREADS */
+
+ return res;
+}
+
+int __ast_rwlock_trywrlock(const char *file, int line, const char *func, const char *name, ast_rwlock_t *lock)
+{
+ int res;
+#ifdef DEBUG_THREADS
+#ifdef AST_MUTEX_INIT_W_CONSTRUCTORS
+ int canlog = strcmp(file, "logger.c");
+
+ if (*lock == ((ast_rwlock_t) AST_RWLOCK_INIT_VALUE)) {
+ /* Don't warn abount uninitialized lock.
+ * Simple try to initialize it.
+ * May be not needed in linux system.
+ */
+ res = __ast_rwlock_init(file, line, func, name, lock);
+ if (*lock == ((ast_rwlock_t) AST_RWLOCK_INIT_VALUE)) {
+ __ast_mutex_logger("%s line %d (%s): Error: rwlock '%s' is uninitialized and unable to initialize.\n",
+ file, line, func, name);
+ return res;
+ }
+ }
+#endif /* AST_MUTEX_INIT_W_CONSTRUCTORS */
+
+ ast_store_lock_info(AST_WRLOCK, file, line, func, name, lock);
+#endif /* DEBUG_THREADS */
+
+ res = pthread_rwlock_trywrlock(lock);
+
+#ifdef DEBUG_THREADS
+ if (!res)
+ ast_mark_lock_acquired(lock);
+ else
+ ast_remove_lock_info(lock);
+#endif /* DEBUG_THREADS */
+
+ return res;
+}
+
+int __ast_rwlock_unlock(const char *file, int line, const char *func, const char *name, ast_rwlock_t *lock)
+{
+ int res;
+#ifdef DEBUG_THREADS
+#ifdef AST_MUTEX_INIT_W_CONSTRUCTORS
+ int canlog = strcmp(file, "logger.c");
+
+ if (*lock == ((ast_rwlock_t) AST_RWLOCK_INIT_VALUE)) {
+ __ast_mutex_logger("%s line %d (%s): Warning: rwlock '%s' is uninitialized.\n",
+ file, line, func, name);
+ res = __ast_rwlock_init(file, line, func, name, lock);
+ if (*lock == ((ast_rwlock_t) AST_RWLOCK_INIT_VALUE)) {
+ __ast_mutex_logger("%s line %d (%s): Error: rwlock '%s' is uninitialized and unable to initialize.\n",
+ file, line, func, name);
+ }
+ return res;
+ }
+#endif /* AST_MUTEX_INIT_W_CONSTRUCTORS */
+#endif /* DEBUG_THREADS */
+
+ res = pthread_rwlock_unlock(lock);
+
+#ifdef DEBUG_THREADS
+ ast_remove_lock_info(lock);
+#endif /* DEBUG_THREADS */
+ return res;
+}
+
+int __ast_rwlock_timedrdlock(const char *file, int line, const char *func, const char *name, ast_rwlock_t *lock, const struct timespec *abs_timeout)
+{
+ int res;
+#ifdef DEBUG_THREADS
+#ifdef AST_MUTEX_INIT_W_CONSTRUCTORS
+ int canlog = strcmp(file, "logger.c");
+
+ if (*lock == ((ast_rwlock_t) AST_RWLOCK_INIT_VALUE)) {
+ /* Don't warn abount uninitialized lock.
+ * Simple try to initialize it.
+ * May be not needed in linux system.
+ */
+ res = __ast_rwlock_init(file, line, func, name, lock);
+ if (*lock == ((ast_rwlock_t) AST_RWLOCK_INIT_VALUE)) {
+ __ast_mutex_logger("%s line %d (%s): Error: rwlock '%s' is uninitialized and unable to initialize.\n",
+ file, line, func, name);
+ return res;
+ }
+ }
+#endif /* AST_MUTEX_INIT_W_CONSTRUCTORS */
+
+ ast_store_lock_info(AST_RDLOCK, file, line, func, name, lock);
+#endif /* DEBUG_THREADS */
+
+#ifdef HAVE_PTHREAD_RWLOCK_TIMEDWRLOCK
+ res = pthread_rwlock_timedrdlock(lock, abs_timeout);
+#else
+ do {
+ struct timeval _start = ast_tvnow(), _diff;
+ for (;;) {
+ if (!(res = pthread_rwlock_tryrdlock(lock))) {
+ break;
+ }
+ _diff = ast_tvsub(ast_tvnow(), _start);
+ if (_diff.tv_sec > abs_timeout->tv_sec || (_diff.tv_sec == abs_timeout->tv_sec && _diff.tv_usec * 1000 > abs_timeout->tv_nsec)) {
+ break;
+ }
+ usleep(1);
+ }
+ } while (0);
+#endif
+
+#ifdef DEBUG_THREADS
+ if (!res)
+ ast_mark_lock_acquired(lock);
+ else
+ ast_remove_lock_info(lock);
+#endif /* DEBUG_THREADS */
+
+ return res;
+}
+
+int __ast_rwlock_timedwrlock(const char *file, int line, const char *func, const char *name, ast_rwlock_t *lock, const struct timespec *abs_timeout)
+{
+ int res;
+#ifdef DEBUG_THREADS
+#ifdef AST_MUTEX_INIT_W_CONSTRUCTORS
+ int canlog = strcmp(file, "logger.c");
+
+ if (*lock == ((ast_rwlock_t) AST_RWLOCK_INIT_VALUE)) {
+ /* Don't warn abount uninitialized lock.
+ * Simple try to initialize it.
+ * May be not needed in linux system.
+ */
+ res = __ast_rwlock_init(file, line, func, name, lock);
+ if (*lock == ((ast_rwlock_t) AST_RWLOCK_INIT_VALUE)) {
+ __ast_mutex_logger("%s line %d (%s): Error: rwlock '%s' is uninitialized and unable to initialize.\n",
+ file, line, func, name);
+ return res;
+ }
+ }
+#endif /* AST_MUTEX_INIT_W_CONSTRUCTORS */
+
+ ast_store_lock_info(AST_WRLOCK, file, line, func, name, lock);
+#endif /* DEBUG_THREADS */
+
+#ifdef HAVE_PTHREAD_RWLOCK_TIMEDWRLOCK
+ res = pthread_rwlock_timedwrlock(lock, abs_timeout);
+#else
+ do {
+ struct timeval _start = ast_tvnow(), _diff;
+ for (;;) {
+ if (!(res = pthread_rwlock_trywrlock(lock))) {
+ break;
+ }
+ _diff = ast_tvsub(ast_tvnow(), _start);
+ if (_diff.tv_sec > abs_timeout->tv_sec || (_diff.tv_sec == abs_timeout->tv_sec && _diff.tv_usec * 1000 > abs_timeout->tv_nsec)) {
+ break;
+ }
+ usleep(1);
+ }
+ } while (0);
+#endif
+
+#ifdef DEBUG_THREADS
+ if (!res)
+ ast_mark_lock_acquired(lock);
+ else
+ ast_remove_lock_info(lock);
+#endif /* DEBUG_THREADS */
+
+ return res;
+}