C++ (Cpp) ast_mark_lock_failed示例

示例#1

文件： lock.c 项目： LorneyZizzart/asterisk

int __ast_rwlock_trywrlock(const char *filename, int line, const char *func, ast_rwlock_t *t, const char *name)
{
	int res;

#ifdef DEBUG_THREADS
	struct ast_lock_track *lt = NULL;
#ifdef HAVE_BKTR
	struct ast_bt *bt = NULL;
#endif

	if (t->tracking) {
		lt = ast_get_reentrancy(&t->track);
	}

	if (lt) {
#ifdef HAVE_BKTR
		struct ast_bt tmp;

		/* The implementation of backtrace() may have its own locks.
		 * Capture the backtrace outside of the reentrancy lock to
		 * avoid deadlocks. See ASTERISK-22455. */
		ast_bt_get_addresses(&tmp);

		ast_reentrancy_lock(lt);
		if (lt->reentrancy < AST_MAX_REENTRANCY) {
			lt->backtrace[lt->reentrancy] = tmp;
			bt = &lt->backtrace[lt->reentrancy];
		}
		ast_reentrancy_unlock(lt);

		ast_store_lock_info(AST_WRLOCK, filename, line, func, name, t, bt);
#else
		ast_store_lock_info(AST_WRLOCK, filename, line, func, name, t);
#endif
	}
#endif /* DEBUG_THREADS */

	res = pthread_rwlock_trywrlock(&t->lock);

#ifdef DEBUG_THREADS
	if (!res && lt) {
		ast_reentrancy_lock(lt);
		if (lt->reentrancy < AST_MAX_REENTRANCY) {
			lt->file[lt->reentrancy] = filename;
			lt->lineno[lt->reentrancy] = line;
			lt->func[lt->reentrancy] = func;
			lt->thread[lt->reentrancy] = pthread_self();
			lt->reentrancy++;
		}
		ast_reentrancy_unlock(lt);
		ast_mark_lock_acquired(t);
	} else if (lt) {
		ast_mark_lock_failed(t);
	}
#endif /* DEBUG_THREADS */

	return res;
}

示例#2

文件： lock.c 项目： akodakim/Asterisk-Call-Center

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
	struct ast_lock_track *lt;
	int canlog = strcmp(filename, "logger.c") & t->tracking;
#ifdef HAVE_BKTR
	struct ast_bt *bt = NULL;
#endif

#if defined(AST_MUTEX_INIT_W_CONSTRUCTORS) && defined(CAN_COMPARE_MUTEX_TO_INIT_VALUE)
	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->tracking, 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->tracking && !t->track) {
		ast_reentrancy_init(&t->track);
	}
	lt = t->track;

	if (t->tracking) {
#ifdef HAVE_BKTR
		ast_reentrancy_lock(lt);
		if (lt->reentrancy != AST_MAX_REENTRANCY) {
			ast_bt_get_addresses(&lt->backtrace[lt->reentrancy]);
			bt = &lt->backtrace[lt->reentrancy];
		}
		ast_reentrancy_unlock(lt);
		ast_store_lock_info(AST_MUTEX, filename, lineno, func, mutex_name, t, bt);
#else
		ast_store_lock_info(AST_MUTEX, filename, lineno, func, mutex_name, t);
#endif
	}
#endif /* DEBUG_THREADS */

	res = pthread_mutex_trylock(&t->mutex);

#ifdef DEBUG_THREADS
	if (t->tracking && !res) {
		ast_reentrancy_lock(lt);
		if (lt->reentrancy < AST_MAX_REENTRANCY) {
			lt->file[lt->reentrancy] = filename;
			lt->lineno[lt->reentrancy] = lineno;
			lt->func[lt->reentrancy] = func;
			lt->thread[lt->reentrancy] = pthread_self();
			lt->reentrancy++;
		} else {
			__ast_mutex_logger("%s line %d (%s): '%s' really deep reentrancy!\n",
					   filename, lineno, func, mutex_name);
		}
		ast_reentrancy_unlock(lt);
		if (t->tracking) {
			ast_mark_lock_acquired(t);
		}
	} else if (t->tracking) {
		ast_mark_lock_failed(t);
	}
#endif /* DEBUG_THREADS */

	return res;
}

示例#3

文件： lock.c 项目： LorneyZizzart/asterisk

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
	struct ast_lock_track *lt = NULL;
	int canlog = t->tracking && strcmp(filename, "logger.c");
#ifdef HAVE_BKTR
	struct ast_bt *bt = NULL;
#endif

	if (t->tracking) {
		lt = ast_get_reentrancy(&t->track);
	}

	if (lt) {
#ifdef HAVE_BKTR
		struct ast_bt tmp;

		/* The implementation of backtrace() may have its own locks.
		 * Capture the backtrace outside of the reentrancy lock to
		 * avoid deadlocks. See ASTERISK-22455. */
		ast_bt_get_addresses(&tmp);

		ast_reentrancy_lock(lt);
		if (lt->reentrancy < AST_MAX_REENTRANCY) {
			lt->backtrace[lt->reentrancy] = tmp;
			bt = &lt->backtrace[lt->reentrancy];
		}
		ast_reentrancy_unlock(lt);

		ast_store_lock_info(AST_MUTEX, filename, lineno, func, mutex_name, t, bt);
#else
		ast_store_lock_info(AST_MUTEX, filename, lineno, func, mutex_name, t);
#endif
	}
#endif /* DEBUG_THREADS */

	res = pthread_mutex_trylock(&t->mutex);

#ifdef DEBUG_THREADS
	if (lt && !res) {
		ast_reentrancy_lock(lt);
		if (lt->reentrancy < AST_MAX_REENTRANCY) {
			lt->file[lt->reentrancy] = filename;
			lt->lineno[lt->reentrancy] = lineno;
			lt->func[lt->reentrancy] = func;
			lt->thread[lt->reentrancy] = pthread_self();
			lt->reentrancy++;
		} else {
			__ast_mutex_logger("%s line %d (%s): '%s' really deep reentrancy!\n",
					   filename, lineno, func, mutex_name);
		}
		ast_reentrancy_unlock(lt);
		ast_mark_lock_acquired(t);
	} else if (lt) {
		ast_mark_lock_failed(t);
	}
#endif /* DEBUG_THREADS */

	return res;
}