[svn-commits] qwell: branch qwell/compiler-flag-abi r247167 - /team/qwell/compiler-flag-abi...
SVN commits to the Digium repositories
svn-commits at lists.digium.com
Wed Feb 17 09:57:02 CST 2010
Author: qwell
Date: Wed Feb 17 09:56:59 2010
New Revision: 247167
URL: http://svnview.digium.com/svn/asterisk?view=rev&rev=247167
Log:
Make lock.c be considered copied from lock.h, so we get proper history.
Added:
team/qwell/compiler-flag-abi/main/lock.c
- copied, changed from r247165, team/qwell/compiler-flag-abi/include/asterisk/lock.h
Copied: team/qwell/compiler-flag-abi/main/lock.c (from r247165, team/qwell/compiler-flag-abi/include/asterisk/lock.h)
URL: http://svnview.digium.com/svn/asterisk/team/qwell/compiler-flag-abi/main/lock.c?view=diff&rev=247167&p1=team/qwell/compiler-flag-abi/include/asterisk/lock.h&r1=247165&p2=team/qwell/compiler-flag-abi/main/lock.c&r2=247167
==============================================================================
--- team/qwell/compiler-flag-abi/include/asterisk/lock.h (original)
+++ team/qwell/compiler-flag-abi/main/lock.c Wed Feb 17 09:56:59 2010
@@ -17,466 +17,831 @@
*/
/*! \file
- * \brief General Asterisk channel locking definitions.
*
- * - See \ref LockDef
+ * \brief General Asterisk channel locking.
*/
-/*! \page LockDef Asterisk thread locking models
- *
- * This file provides different implementation of the functions,
- * depending on the platform, the use of DEBUG_THREADS, and the way
- * module-level mutexes are initialized.
- *
- * - \b static: the mutex is assigned the value AST_MUTEX_INIT_VALUE
- * this is done at compile time, and is the way used on Linux.
- * This method is not applicable to all platforms e.g. when the
- * initialization needs that some code is run.
- *
- * - \b through constructors: for each mutex, a constructor function is
- * defined, which then runs when the program (or the module)
- * starts. The problem with this approach is that there is a
- * lot of code duplication (a new block of code is created for
- * each mutex). Also, it does not prevent a user from declaring
- * a global mutex without going through the wrapper macros,
- * so sane programming practices are still required.
- */
-
-#ifndef _ASTERISK_LOCK_H
-#define _ASTERISK_LOCK_H
-
-#include <pthread.h>
-#include <netdb.h>
-#include <time.h>
-#include <sys/param.h>
-#include <unistd.h>
-
-#ifndef HAVE_PTHREAD_RWLOCK_TIMEDWRLOCK
-#include "asterisk/time.h"
+#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
-#include "asterisk/logger.h"
-
-#define AST_PTHREADT_NULL (pthread_t) -1
-#define AST_PTHREADT_STOP (pthread_t) -2
-
-#if defined(SOLARIS) || defined(BSD)
-#define AST_MUTEX_INIT_W_CONSTRUCTORS
-#endif /* SOLARIS || BSD */
-
-/* Asterisk REQUIRES recursive (not error checking) mutexes
- and will not run without them. */
-#if defined(PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP)
-#define PTHREAD_MUTEX_INIT_VALUE PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP
-#define AST_MUTEX_KIND PTHREAD_MUTEX_RECURSIVE_NP
+
+ 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
-#define PTHREAD_MUTEX_INIT_VALUE PTHREAD_MUTEX_INITIALIZER
-#define AST_MUTEX_KIND PTHREAD_MUTEX_RECURSIVE
-#endif /* PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP */
-
-typedef struct ast_mutex_info ast_mutex_t;
-
-typedef pthread_cond_t ast_cond_t;
-
-typedef pthread_rwlock_t ast_rwlock_t;
-
-#define ast_mutex_init(pmutex) __ast_pthread_mutex_init(1, __FILE__, __LINE__, __PRETTY_FUNCTION__, #pmutex, pmutex)
-#define ast_mutex_init_notracking(pmutex) __ast_pthread_mutex_init(0, __FILE__, __LINE__, __PRETTY_FUNCTION__, #pmutex, pmutex)
-#define ast_mutex_destroy(a) __ast_pthread_mutex_destroy(__FILE__, __LINE__, __PRETTY_FUNCTION__, #a, a)
-#define ast_mutex_lock(a) __ast_pthread_mutex_lock(__FILE__, __LINE__, __PRETTY_FUNCTION__, #a, a)
-#define ast_mutex_trylock(a) __ast_pthread_mutex_trylock(__FILE__, __LINE__, __PRETTY_FUNCTION__, #a, a)
-#define ast_mutex_unlock(a) __ast_pthread_mutex_unlock(__FILE__, __LINE__, __PRETTY_FUNCTION__, #a, a)
-
-int __ast_pthread_mutex_init(int track, const char *filename, int lineno, const char *func, const char *mutex_name, ast_mutex_t *t);
-int __ast_pthread_mutex_destroy(const char *filename, int lineno, const char *func, const char *mutex_name, ast_mutex_t *t);
-int __ast_pthread_mutex_lock(const char *filename, int lineno, const char *func, const char* mutex_name, ast_mutex_t *t);
-int __ast_pthread_mutex_trylock(const char *filename, int lineno, const char *func, const char* mutex_name, ast_mutex_t *t);
-int __ast_pthread_mutex_unlock(const char *filename, int lineno, const char *func, const char *mutex_name, ast_mutex_t *t);
-
-#define ast_cond_init(cond, attr) __ast_cond_init(__FILE__, __LINE__, __PRETTY_FUNCTION__, #cond, cond, attr)
-#define ast_cond_destroy(cond) __ast_cond_destroy(__FILE__, __LINE__, __PRETTY_FUNCTION__, #cond, cond)
-#define ast_cond_signal(cond) __ast_cond_signal(__FILE__, __LINE__, __PRETTY_FUNCTION__, #cond, cond)
-#define ast_cond_broadcast(cond) __ast_cond_broadcast(__FILE__, __LINE__, __PRETTY_FUNCTION__, #cond, cond)
-#define ast_cond_wait(cond, mutex) __ast_cond_wait(__FILE__, __LINE__, __PRETTY_FUNCTION__, #cond, #mutex, cond, mutex)
-#define ast_cond_timedwait(cond, mutex, time) __ast_cond_timedwait(__FILE__, __LINE__, __PRETTY_FUNCTION__, #cond, #mutex, cond, mutex, time)
-
-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);
-int __ast_cond_destroy(const char *filename, int lineno, const char *func, const char *cond_name, ast_cond_t *cond);
-int __ast_cond_signal(const char *filename, int lineno, const char *func, const char *cond_name, ast_cond_t *cond);
-int __ast_cond_broadcast(const char *filename, int lineno, const char *func, const char *cond_name, ast_cond_t *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 __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);
-
-#define ast_rwlock_init(rwlock) __ast_rwlock_init(__FILE__, __LINE__, __PRETTY_FUNCTION__, #rwlock, rwlock)
-#define ast_rwlock_destroy(rwlock) __ast_rwlock_destroy(__FILE__, __LINE__, __PRETTY_FUNCTION__, #rwlock, rwlock)
-#define ast_rwlock_rdlock(a) __ast_rwlock_rdlock(__FILE__, __LINE__, __PRETTY_FUNCTION__, #a, a)
-#define ast_rwlock_wrlock(a) __ast_rwlock_wrlock(__FILE__, __LINE__, __PRETTY_FUNCTION__, #a, a)
-#define ast_rwlock_tryrdlock(a) __ast_rwlock_tryrdlock(__FILE__, __LINE__, __PRETTY_FUNCTION__, #a, a)
-#define ast_rwlock_trywrlock(a) __ast_rwlock_trywrlock(__FILE__, __LINE__, __PRETTY_FUNCTION__, #a, a)
-#define ast_rwlock_unlock(a) __ast_rwlock_unlock(__FILE__, __LINE__, __PRETTY_FUNCTION__, #a, a)
-#define ast_rwlock_timedrdlock(a, b) __ast_rwlock_timedrdlock(__FILE__, __LINE__, __PRETTY_FUNCTION__, #a, a, b)
-#define ast_rwlock_timedwrlock(a, b) __ast_rwlock_timedwrlock(__FILE__, __LINE__, __PRETTY_FUNCTION__, #a, a, b)
-
-int __ast_rwlock_init(const char *filename, int lineno, const char *func, const char *rwlock_name, ast_rwlock_t *prwlock);
-int __ast_rwlock_destroy(const char *filename, int lineno, const char *func, const char *rwlock_name, ast_rwlock_t *prwlock);
-int __ast_rwlock_tryrdlock(const char *file, int line, const char *func, const char *name, ast_rwlock_t *lock);
-int __ast_rwlock_trywrlock(const char *file, int line, const char *func, const char *name, ast_rwlock_t *lock);
-int __ast_rwlock_rdlock(const char *file, int line, const char *func, const char *name, ast_rwlock_t *lock);
-int __ast_rwlock_wrlock(const char *file, int line, const char *func, const char *name, ast_rwlock_t *lock);
-int __ast_rwlock_unlock(const char *file, int line, const char *func, const char *name, ast_rwlock_t *lock);
-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 __ast_rwlock_timedwrlock(const char *file, int line, const char *func, const char *name, ast_rwlock_t *lock, const struct timespec *abs_timeout);
-
-#ifdef DEBUG_THREADS
-
-#define __ast_mutex_logger(...) do { if (canlog) ast_log(LOG_ERROR, __VA_ARGS__); else fprintf(stderr, __VA_ARGS__); } while (0)
-
-#ifdef THREAD_CRASH
-#define DO_THREAD_CRASH do { *((int *)(0)) = 1; } while(0)
+ 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
-#define DO_THREAD_CRASH do { } while (0)
+ 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
-#include <errno.h>
-#include <string.h>
-#include <stdio.h>
-
-#define AST_MAX_REENTRANCY 10
-
-static pthread_mutex_t empty_mutex;
-
-enum ast_lock_type {
- AST_MUTEX,
- AST_RDLOCK,
- AST_WRLOCK,
-};
-
-/*!
- * \brief Store lock info for the current thread
- *
- * This function gets called in ast_mutex_lock() and ast_mutex_trylock() so
- * that information about this lock can be stored in this thread's
- * lock info struct. The lock is marked as pending as the thread is waiting
- * on the lock. ast_mark_lock_acquired() will mark it as held by this thread.
- */
-#if !defined(LOW_MEMORY)
-void ast_store_lock_info(enum ast_lock_type type, const char *filename,
- int line_num, const char *func, const char *lock_name, void *lock_addr);
-#else
-#define ast_store_lock_info(I,DONT,CARE,ABOUT,THE,PARAMETERS)
-#endif
-
-
-/*!
- * \brief Mark the last lock as acquired
- */
-#if !defined(LOW_MEMORY)
-void ast_mark_lock_acquired(void *lock_addr);
-#else
-#define ast_mark_lock_acquired(ignore)
-#endif
-
-/*!
- * \brief Mark the last lock as failed (trylock)
- */
-#if !defined(LOW_MEMORY)
-void ast_mark_lock_failed(void *lock_addr);
-#else
-#define ast_mark_lock_failed(ignore)
-#endif
-
-/*!
- * \brief remove lock info for the current thread
- *
- * this gets called by ast_mutex_unlock so that information on the lock can
- * be removed from the current thread's lock info struct.
- */
-#if !defined(LOW_MEMORY)
-void ast_remove_lock_info(void *lock_addr);
-#else
-#define ast_remove_lock_info(ignore)
-#endif
-
-/*!
- * \brief retrieve lock info for the specified mutex
- *
- * this gets called during deadlock avoidance, so that the information may
- * be preserved as to what location originally acquired the lock.
- */
-#if !defined(LOW_MEMORY)
-int ast_find_lock_info(void *lock_addr, char *filename, size_t filename_size, int *lineno, char *func, size_t func_size, char *mutex_name, size_t mutex_name_size);
-#else
-#define ast_find_lock_info(a,b,c,d,e,f,g,h) -1
-#endif
-
-static void __attribute__((constructor)) init_empty_mutex(void)
-{
- memset(&empty_mutex, 0, sizeof(empty_mutex));
-}
-
-static inline void ast_reentrancy_lock(ast_mutex_t *p_ast_mutex)
-{
- pthread_mutex_lock(&p_ast_mutex->reentr_mutex);
-}
-
-static inline void ast_reentrancy_unlock(ast_mutex_t *p_ast_mutex)
-{
- pthread_mutex_unlock(&p_ast_mutex->reentr_mutex);
-}
-
-static inline void ast_reentrancy_init(ast_mutex_t *p_ast_mutex)
-{
- int i;
- pthread_mutexattr_t reentr_attr;
-
- for (i = 0; i < AST_MAX_REENTRANCY; i++) {
- p_ast_mutex->file[i] = NULL;
- p_ast_mutex->lineno[i] = 0;
- p_ast_mutex->func[i] = NULL;
- p_ast_mutex->thread[i] = 0;
- }
-
- p_ast_mutex->reentrancy = 0;
-
- pthread_mutexattr_init(&reentr_attr);
- pthread_mutexattr_settype(&reentr_attr, AST_MUTEX_KIND);
- pthread_mutex_init(&p_ast_mutex->reentr_mutex, &reentr_attr);
- pthread_mutexattr_destroy(&reentr_attr);
-}
-
-static inline void delete_reentrancy_cs(ast_mutex_t * p_ast_mutex)
-{
- pthread_mutex_destroy(&p_ast_mutex->reentr_mutex);
-}
-
-/*!
- * \brief Unlock a lock briefly
- *
- * used during deadlock avoidance, to preserve the original location where
- * a lock was originally acquired.
- */
-#define DEADLOCK_AVOIDANCE(lock) \
- do { \
- char __filename[80], __func[80], __mutex_name[80]; \
- int __lineno; \
- int __res = ast_find_lock_info(lock, __filename, sizeof(__filename), &__lineno, __func, sizeof(__func), __mutex_name, sizeof(__mutex_name)); \
- ast_mutex_unlock(lock); \
- usleep(1); \
- if (__res < 0) { /* Shouldn't ever happen, but just in case... */ \
- ast_mutex_lock(lock); \
- } else { \
- __ast_pthread_mutex_lock(__filename, __lineno, __func, __mutex_name, lock); \
- } \
- } while (0)
-
-#define AST_MUTEX_INIT_VALUE { PTHREAD_MUTEX_INIT_VALUE, 1, { NULL }, { 0 }, 0, { NULL }, { 0 }, PTHREAD_MUTEX_INIT_VALUE }
-#define AST_MUTEX_INIT_VALUE_NOTRACKING \
- { PTHREAD_MUTEX_INIT_VALUE, 0, { NULL }, { 0 }, 0, { NULL }, { 0 }, PTHREAD_MUTEX_INIT_VALUE }
-
-struct ast_mutex_info {
- pthread_mutex_t mutex;
- /*! Track which thread holds this lock */
- unsigned int track:1;
- const char *file[AST_MAX_REENTRANCY];
- int lineno[AST_MAX_REENTRANCY];
- int reentrancy;
- const char *func[AST_MAX_REENTRANCY];
- pthread_t thread[AST_MAX_REENTRANCY];
- pthread_mutex_t reentr_mutex;
-};
-
-#else /* !DEBUG_THREADS */
-
-#define DEADLOCK_AVOIDANCE(lock) \
- ast_mutex_unlock(lock); \
- usleep(1); \
- ast_mutex_lock(lock);
-
-#define AST_MUTEX_INIT_VALUE { PTHREAD_MUTEX_INIT_VALUE }
-#define AST_MUTEX_INIT_VALUE_NOTRACKING \
- { PTHREAD_MUTEX_INIT_VALUE }
-
-struct ast_mutex_info {
- pthread_mutex_t mutex;
-};
-#endif /* !DEBUG_THREADS */
-
-
-#if defined(AST_MUTEX_INIT_W_CONSTRUCTORS)
-/* If AST_MUTEX_INIT_W_CONSTRUCTORS is defined, use file scope
- destructors to destroy mutexes and create it on the fly. */
-#define __AST_MUTEX_DEFINE(scope, mutex, init_val, track) \
- scope ast_mutex_t mutex = init_val; \
-static void __attribute__((constructor)) init_##mutex(void) \
-{ \
- if (track) \
- ast_mutex_init(&mutex); \
- else \
- ast_mutex_init_notracking(&mutex); \
-} \
-static void __attribute__((destructor)) fini_##mutex(void) \
-{ \
- ast_mutex_destroy(&mutex); \
-}
-#else /* !AST_MUTEX_INIT_W_CONSTRUCTORS */
-/* By default, use static initialization of mutexes. */
-#define __AST_MUTEX_DEFINE(scope, mutex, init_val, track) \
- scope ast_mutex_t mutex = init_val
-#endif /* AST_MUTEX_INIT_W_CONSTRUCTORS */
-
-#define AST_MUTEX_DEFINE_STATIC(mutex) __AST_MUTEX_DEFINE(static, mutex, AST_MUTEX_INIT_VALUE, 1)
-#define AST_MUTEX_DEFINE_STATIC_NOTRACKING(mutex) __AST_MUTEX_DEFINE(static, mutex, AST_MUTEX_INIT_VALUE_NOTRACKING, 0)
-
-
-/* Statically declared read/write locks */
-#ifdef HAVE_PTHREAD_RWLOCK_INITIALIZER
-#define AST_RWLOCK_INIT_VALUE PTHREAD_RWLOCK_INITIALIZER
-#define __AST_RWLOCK_DEFINE(scope, rwlock) \
- scope ast_rwlock_t rwlock = AST_RWLOCK_INIT_VALUE
-#else /* !HAVE_PTHREAD_RWLOCK_INITIALIZER */
-#define AST_RWLOCK_INIT_VALUE NULL
-#define __AST_RWLOCK_DEFINE(scope, rwlock) \
- scope ast_rwlock_t rwlock; \
-static void __attribute__((constructor)) init_##rwlock(void) \
-{ \
- ast_rwlock_init(&rwlock); \
-} \
[... 150 lines stripped ...]
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