/*
* Asterisk -- An open source telephony toolkit.
*
- * Copyright (C) 1999 - 2006, Digium, Inc.
+ * Copyright (C) 1999 - 2010, Digium, Inc.
*
* Mark Spencer <markster@digium.com>
*
#endif
#include "asterisk/logger.h"
-/* internal macro to profile mutexes. Only computes the delay on
- * non-blocking calls.
- */
-#ifndef HAVE_MTX_PROFILE
-#define __MTX_PROF(a) return pthread_mutex_lock((a))
-#else
-#define __MTX_PROF(a) do { \
- int i; \
- /* profile only non-blocking events */ \
- ast_mark(mtx_prof, 1); \
- i = pthread_mutex_trylock((a)); \
- ast_mark(mtx_prof, 0); \
- if (!i) \
- return i; \
- else \
- return pthread_mutex_lock((a)); \
- } while (0)
-#endif /* HAVE_MTX_PROFILE */
-
#define AST_PTHREADT_NULL (pthread_t) -1
#define AST_PTHREADT_STOP (pthread_t) -2
#define AST_MUTEX_KIND PTHREAD_MUTEX_RECURSIVE
#endif /* PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP */
-#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)
-#else
-#define DO_THREAD_CRASH do { } while (0)
-#endif
-
-#include <errno.h>
-#include <string.h>
-#include <stdio.h>
-
-#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 }
-
#define AST_MAX_REENTRANCY 10
+/*! \brief Structure for mutex and tracking information.
+ *
+ * We have tracking information in this structure regardless of DEBUG_THREADS being enabled.
+ * The information will just be ignored in the core if a module does not request it..
+ */
struct ast_mutex_info {
pthread_mutex_t mutex;
/*! Track which thread holds this lock */
typedef pthread_cond_t ast_cond_t;
+typedef pthread_rwlock_t ast_rwlock_t;
+
+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_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_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_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_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);
+
+#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)
+
+#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)
+#else
+#define DO_THREAD_CRASH do { } while (0)
+#endif
+
+#include <errno.h>
+#include <string.h>
+#include <stdio.h>
+
+/*!
+ * \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 }
+
static pthread_mutex_t empty_mutex;
enum ast_lock_type {
#define ast_find_lock_info(a,b,c,d,e,f,g,h) -1
#endif
-/*!
- * \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)
-
static void __attribute__((constructor)) init_empty_mutex(void)
{
memset(&empty_mutex, 0, sizeof(empty_mutex));
pthread_mutex_destroy(&p_ast_mutex->reentr_mutex);
}
-static inline 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 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;
-
- pthread_mutexattr_init(&attr);
- pthread_mutexattr_settype(&attr, AST_MUTEX_KIND);
-
- res = pthread_mutex_init(&t->mutex, &attr);
- pthread_mutexattr_destroy(&attr);
- return res;
-}
-
-#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 ROFFSET ((t->reentrancy > 0) ? (t->reentrancy-1) : 0)
-static inline int __ast_pthread_mutex_destroy(const char *filename, int lineno, const char *func,
- const char *mutex_name, ast_mutex_t *t)
-{
- int res;
- 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;
- }
-
- if ((res = pthread_mutex_destroy(&t->mutex)))
- __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);
-
- return res;
-}
-
-static inline int __ast_pthread_mutex_lock(const char *filename, int lineno, const char *func,
- const char* mutex_name, ast_mutex_t *t)
-{
- int res;
- 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);
-
-#ifdef DETECT_DEADLOCKS
- {
- 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);
- }
-#else
-#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 */
-
- 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;
- }
-
- return res;
-}
-
-static inline int __ast_pthread_mutex_trylock(const char *filename, int lineno, const char *func,
- const char* mutex_name, ast_mutex_t *t)
-{
- int res;
- 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);
-
- if (!(res = pthread_mutex_trylock(&t->mutex))) {
- 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);
- }
-
- return res;
-}
-
-static inline int __ast_pthread_mutex_unlock(const char *filename, int lineno, const char *func,
- const char *mutex_name, ast_mutex_t *t)
-{
- int res;
- 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);
-
- if ((res = pthread_mutex_unlock(&t->mutex))) {
- __ast_mutex_logger("%s line %d (%s): Error releasing mutex: %s\n",
- filename, lineno, func, strerror(res));
- DO_THREAD_CRASH;
- }
-
- return res;
-}
-
-static inline 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);
-}
-
-static inline 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);
-}
-
-static inline 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);
-}
-
-static inline 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);
-}
-
-static inline 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;
- 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);
-
- if ((res = pthread_cond_wait(cond, &t->mutex))) {
- __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);
- }
-
- return res;
-}
-
-static inline 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;
- 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);
-
- if ((res = pthread_cond_timedwait(cond, &t->mutex, abstime)) && (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);
- }
-
- return res;
-}
-
-#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_unlock(a) __ast_pthread_mutex_unlock(__FILE__, __LINE__, __PRETTY_FUNCTION__, #a, a)
-#define ast_mutex_trylock(a) __ast_pthread_mutex_trylock(__FILE__, __LINE__, __PRETTY_FUNCTION__, #a, a)
-#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)
-
#else /* !DEBUG_THREADS */
#define DEADLOCK_AVOIDANCE(lock) \
usleep(1); \
ast_mutex_lock(lock);
-
-typedef pthread_mutex_t ast_mutex_t;
-
-#define AST_MUTEX_INIT_VALUE ((ast_mutex_t) PTHREAD_MUTEX_INIT_VALUE)
+#define AST_MUTEX_INIT_VALUE { PTHREAD_MUTEX_INIT_VALUE }
#define AST_MUTEX_INIT_VALUE_NOTRACKING \
- ((ast_mutex_t) PTHREAD_MUTEX_INIT_VALUE)
-
-#define ast_mutex_init_notracking(m) ast_mutex_init(m)
-
-static inline int ast_mutex_init(ast_mutex_t *pmutex)
-{
- int res;
- pthread_mutexattr_t attr;
-
- pthread_mutexattr_init(&attr);
- pthread_mutexattr_settype(&attr, AST_MUTEX_KIND);
-
- res = pthread_mutex_init(pmutex, &attr);
- pthread_mutexattr_destroy(&attr);
- return res;
-}
-
-#define ast_pthread_mutex_init(pmutex,a) pthread_mutex_init(pmutex,a)
-
-static inline int ast_mutex_unlock(ast_mutex_t *pmutex)
-{
- return pthread_mutex_unlock(pmutex);
-}
-
-static inline int ast_mutex_destroy(ast_mutex_t *pmutex)
-{
- return pthread_mutex_destroy(pmutex);
-}
-
-static inline int ast_mutex_lock(ast_mutex_t *pmutex)
-{
- __MTX_PROF(pmutex);
-}
-
-static inline int ast_mutex_trylock(ast_mutex_t *pmutex)
-{
- return pthread_mutex_trylock(pmutex);
-}
-
-typedef pthread_cond_t ast_cond_t;
-
-static inline int ast_cond_init(ast_cond_t *cond, pthread_condattr_t *cond_attr)
-{
- return pthread_cond_init(cond, cond_attr);
-}
-
-static inline int ast_cond_signal(ast_cond_t *cond)
-{
- return pthread_cond_signal(cond);
-}
-
-static inline int ast_cond_broadcast(ast_cond_t *cond)
-{
- return pthread_cond_broadcast(cond);
-}
-
-static inline int ast_cond_destroy(ast_cond_t *cond)
-{
- return pthread_cond_destroy(cond);
-}
-
-static inline int ast_cond_wait(ast_cond_t *cond, ast_mutex_t *t)
-{
- return pthread_cond_wait(cond, t);
-}
-
-static inline int ast_cond_timedwait(ast_cond_t *cond, ast_mutex_t *t, const struct timespec *abstime)
-{
- return pthread_cond_timedwait(cond, t, abstime);
-}
-
+ { PTHREAD_MUTEX_INIT_VALUE }
#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. */
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); \
+} \
+static void __attribute__((destructor)) fini_##rwlock(void) \
+{ \
+ ast_rwlock_destroy(&rwlock); \
+}
+#endif /* !HAVE_PTHREAD_RWLOCK_INITIALIZER */
+
+#define AST_RWLOCK_DEFINE_STATIC(rwlock) __AST_RWLOCK_DEFINE(static, rwlock)
+
+
#define pthread_mutex_t use_ast_mutex_t_instead_of_pthread_mutex_t
#define pthread_mutex_lock use_ast_mutex_lock_instead_of_pthread_mutex_lock
#define pthread_mutex_unlock use_ast_mutex_unlock_instead_of_pthread_mutex_unlock
#define pthread_cond_wait use_ast_cond_wait_instead_of_pthread_cond_wait
#define pthread_cond_timedwait use_ast_cond_timedwait_instead_of_pthread_cond_timedwait
-#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)
-
#define AST_MUTEX_INITIALIZER __use_AST_MUTEX_DEFINE_STATIC_rather_than_AST_MUTEX_INITIALIZER__
#define gethostbyname __gethostbyname__is__not__reentrant__use__ast_gethostbyname__instead__
#define pthread_create __use_ast_pthread_create_instead__
#endif
-typedef pthread_rwlock_t ast_rwlock_t;
-
-#ifdef HAVE_PTHREAD_RWLOCK_INITIALIZER
-#define AST_RWLOCK_INIT_VALUE PTHREAD_RWLOCK_INITIALIZER
-#else
-#define AST_RWLOCK_INIT_VALUE NULL
-#endif
-
-#ifdef DEBUG_THREADS
-
-#define ast_rwlock_init(rwlock) __ast_rwlock_init(__FILE__, __LINE__, __PRETTY_FUNCTION__, #rwlock, rwlock)
-
-
-static inline 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 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 */
- 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;
-}
-
-#define ast_rwlock_destroy(rwlock) __ast_rwlock_destroy(__FILE__, __LINE__, __PRETTY_FUNCTION__, #rwlock, rwlock)
-
-static inline int __ast_rwlock_destroy(const char *filename, int lineno, const char *func, const char *rwlock_name, ast_rwlock_t *prwlock)
-{
- int res;
- 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 */
-
- if ((res = pthread_rwlock_destroy(prwlock)))
- __ast_mutex_logger("%s line %d (%s): Error destroying rwlock %s: %s\n",
- filename, lineno, func, rwlock_name, strerror(res));
-
- return res;
-}
-
-#define ast_rwlock_unlock(a) \
- _ast_rwlock_unlock(a, # a, __FILE__, __LINE__, __PRETTY_FUNCTION__)
-
-static inline int _ast_rwlock_unlock(ast_rwlock_t *lock, const char *name,
- const char *file, int line, const char *func)
-{
- int res;
-#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 */
-
- res = pthread_rwlock_unlock(lock);
- ast_remove_lock_info(lock);
- return res;
-}
-
-#define ast_rwlock_rdlock(a) \
- _ast_rwlock_rdlock(a, # a, __FILE__, __LINE__, __PRETTY_FUNCTION__)
-
-static inline int _ast_rwlock_rdlock(ast_rwlock_t *lock, const char *name,
- const char *file, int line, const char *func)
-{
- int res;
-#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);
- res = pthread_rwlock_rdlock(lock);
- if (!res)
- ast_mark_lock_acquired(lock);
- else
- ast_remove_lock_info(lock);
- return res;
-}
-
-#define ast_rwlock_wrlock(a) \
- _ast_rwlock_wrlock(a, # a, __FILE__, __LINE__, __PRETTY_FUNCTION__)
-
-static inline int _ast_rwlock_wrlock(ast_rwlock_t *lock, const char *name,
- const char *file, int line, const char *func)
-{
- int res;
-#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);
- res = pthread_rwlock_wrlock(lock);
- if (!res)
- ast_mark_lock_acquired(lock);
- else
- ast_remove_lock_info(lock);
- return res;
-}
-
-#define ast_rwlock_timedrdlock(a,b) \
- _ast_rwlock_timedrdlock(a, # a, b, __FILE__, __LINE__, __PRETTY_FUNCTION__)
-
-static inline int _ast_rwlock_timedrdlock(ast_rwlock_t *lock, const char *name,
- const struct timespec *abs_timeout, const char *file, int line, const char *func)
-{
- int res;
-#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);
-#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
- if (!res)
- ast_mark_lock_acquired(lock);
- else
- ast_remove_lock_info(lock);
- return res;
-}
-
-#define ast_rwlock_timedwrlock(a,b) \
- _ast_rwlock_timedwrlock(a, # a, b, __FILE__, __LINE__, __PRETTY_FUNCTION__)
-
-static inline int _ast_rwlock_timedwrlock(ast_rwlock_t *lock, const char *name,
- const struct timespec *abs_timeout, const char *file, int line, const char *func)
-{
- int res;
-#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);
-#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
- if (!res)
- ast_mark_lock_acquired(lock);
- else
- ast_remove_lock_info(lock);
- return res;
-}
-
-#define ast_rwlock_tryrdlock(a) \
- _ast_rwlock_tryrdlock(a, # a, __FILE__, __LINE__, __PRETTY_FUNCTION__)
-
-static inline int _ast_rwlock_tryrdlock(ast_rwlock_t *lock, const char *name,
- const char *file, int line, const char *func)
-{
- int res;
-#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);
- res = pthread_rwlock_tryrdlock(lock);
- if (!res)
- ast_mark_lock_acquired(lock);
- else
- ast_remove_lock_info(lock);
- return res;
-}
-
-#define ast_rwlock_trywrlock(a) \
- _ast_rwlock_trywrlock(a, # a, __FILE__, __LINE__, __PRETTY_FUNCTION__)
-
-static inline int _ast_rwlock_trywrlock(ast_rwlock_t *lock, const char *name,
- const char *file, int line, const char *func)
-{
- int res;
-#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);
- res = pthread_rwlock_trywrlock(lock);
- if (!res)
- ast_mark_lock_acquired(lock);
- else
- ast_remove_lock_info(lock);
- return res;
-}
-
-#else /* !DEBUG_THREADS */
-
-static inline int ast_rwlock_init(ast_rwlock_t *prwlock)
-{
- int res;
- pthread_rwlockattr_t attr;
-
- 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;
-}
-
-static inline int ast_rwlock_destroy(ast_rwlock_t *prwlock)
-{
- return pthread_rwlock_destroy(prwlock);
-}
-
-static inline int ast_rwlock_unlock(ast_rwlock_t *prwlock)
-{
- return pthread_rwlock_unlock(prwlock);
-}
-
-static inline int ast_rwlock_rdlock(ast_rwlock_t *prwlock)
-{
- return pthread_rwlock_rdlock(prwlock);
-}
-
-static inline int ast_rwlock_timedrdlock(ast_rwlock_t *prwlock, const struct timespec *abs_timeout)
-{
- int res;
-#ifdef HAVE_PTHREAD_RWLOCK_TIMEDWRLOCK
- res = pthread_rwlock_timedrdlock(prwlock, abs_timeout);
-#else
- struct timeval _start = ast_tvnow(), _diff;
- for (;;) {
- if (!(res = pthread_rwlock_tryrdlock(prwlock))) {
- 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);
- }
-#endif
- return res;
-}
-
-static inline int ast_rwlock_tryrdlock(ast_rwlock_t *prwlock)
-{
- return pthread_rwlock_tryrdlock(prwlock);
-}
-
-static inline int ast_rwlock_wrlock(ast_rwlock_t *prwlock)
-{
- return pthread_rwlock_wrlock(prwlock);
-}
-
-static inline int ast_rwlock_timedwrlock(ast_rwlock_t *prwlock, const struct timespec *abs_timeout)
-{
- int res;
-#ifdef HAVE_PTHREAD_RWLOCK_TIMEDWRLOCK
- res = pthread_rwlock_timedwrlock(prwlock, abs_timeout);
-#else
- do {
- struct timeval _start = ast_tvnow(), _diff;
- for (;;) {
- if (!(res = pthread_rwlock_trywrlock(prwlock))) {
- 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
- return res;
-}
-
-static inline int ast_rwlock_trywrlock(ast_rwlock_t *prwlock)
-{
- return pthread_rwlock_trywrlock(prwlock);
-}
-#endif /* !DEBUG_THREADS */
-
-/* Statically declared read/write locks */
-
-#ifndef HAVE_PTHREAD_RWLOCK_INITIALIZER
-#define __AST_RWLOCK_DEFINE(scope, rwlock) \
- scope ast_rwlock_t rwlock; \
-static void __attribute__((constructor)) init_##rwlock(void) \
-{ \
- ast_rwlock_init(&rwlock); \
-} \
-static void __attribute__((destructor)) fini_##rwlock(void) \
-{ \
- ast_rwlock_destroy(&rwlock); \
-}
-#else
-#define __AST_RWLOCK_DEFINE(scope, rwlock) \
- scope ast_rwlock_t rwlock = AST_RWLOCK_INIT_VALUE
-#endif
-
-#define AST_RWLOCK_DEFINE_STATIC(rwlock) __AST_RWLOCK_DEFINE(static, rwlock)
-
/*
* Initial support for atomic instructions.
* For platforms that have it, use the native cpu instruction to
})
#endif
-#ifndef DEBUG_CHANNEL_LOCKS
-/*! \brief Lock a channel. If DEBUG_CHANNEL_LOCKS is defined
- in the Makefile, print relevant output for debugging */
-#define ast_channel_lock(x) ast_mutex_lock(&x->lock)
-/*! \brief Unlock a channel. If DEBUG_CHANNEL_LOCKS is defined
- in the Makefile, print relevant output for debugging */
-#define ast_channel_unlock(x) ast_mutex_unlock(&x->lock)
-/*! \brief Try locking a channel. If DEBUG_CHANNEL_LOCKS is defined
- in the Makefile, print relevant output for debugging */
-#define ast_channel_trylock(x) ast_mutex_trylock(&x->lock)
-#else
-
struct ast_channel;
-#define ast_channel_lock(a) __ast_channel_lock(a, __FILE__, __LINE__, __PRETTY_FUNCTION__)
/*! \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 debugging output */
int __ast_channel_lock(struct ast_channel *chan, const char *file, int lineno, const char *func);
+#define ast_channel_lock(a) __ast_channel_lock(a, __FILE__, __LINE__, __PRETTY_FUNCTION__)
-#define ast_channel_unlock(a) __ast_channel_unlock(a, __FILE__, __LINE__, __PRETTY_FUNCTION__)
/*! \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 debugging output */
int __ast_channel_unlock(struct ast_channel *chan, const char *file, int lineno, const char *func);
+#define ast_channel_unlock(a) __ast_channel_unlock(a, __FILE__, __LINE__, __PRETTY_FUNCTION__)
-#define ast_channel_trylock(a) __ast_channel_trylock(a, __FILE__, __LINE__, __PRETTY_FUNCTION__)
/*! \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 debugging output */
int __ast_channel_trylock(struct ast_channel *chan, const char *file, int lineno, const char *func);
-#endif
+#define ast_channel_trylock(a) __ast_channel_trylock(a, __FILE__, __LINE__, __PRETTY_FUNCTION__)
#endif /* _ASTERISK_LOCK_H */
--- /dev/null
+/*
+ * 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;
+}
projects / thirdparty / asterisk.git / commitdiff
