48 #ifndef _ASTERISK_LOCK_H
49 #define _ASTERISK_LOCK_H
53 #include <sys/param.h>
58 #ifndef HAVE_PTHREAD_RWLOCK_TIMEDWRLOCK
66 #define AST_PTHREADT_NULL (pthread_t) -1
67 #define AST_PTHREADT_STOP (pthread_t) -2
69 #if (defined(SOLARIS) || defined(BSD))
70 #define AST_MUTEX_INIT_W_CONSTRUCTORS
75 #if defined(HAVE_PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP) && defined(HAVE_PTHREAD_MUTEX_RECURSIVE_NP)
76 #define PTHREAD_MUTEX_INIT_VALUE PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP
77 #define AST_MUTEX_KIND PTHREAD_MUTEX_RECURSIVE_NP
79 #define PTHREAD_MUTEX_INIT_VALUE PTHREAD_MUTEX_INITIALIZER
80 #define AST_MUTEX_KIND PTHREAD_MUTEX_RECURSIVE
83 #ifdef HAVE_PTHREAD_RWLOCK_INITIALIZER
84 #define __AST_RWLOCK_INIT_VALUE PTHREAD_RWLOCK_INITIALIZER
86 #define __AST_RWLOCK_INIT_VALUE {0}
90 #define AST_LOCK_TRACK_INIT_VALUE { { NULL }, { 0 }, 0, { NULL }, { 0 }, {{{ 0 }}}, PTHREAD_MUTEX_INIT_VALUE }
92 #define AST_LOCK_TRACK_INIT_VALUE { { NULL }, { 0 }, 0, { NULL }, { 0 }, PTHREAD_MUTEX_INIT_VALUE }
95 #define AST_MUTEX_INIT_VALUE { PTHREAD_MUTEX_INIT_VALUE, NULL, {1, 0} }
96 #define AST_MUTEX_INIT_VALUE_NOTRACKING { PTHREAD_MUTEX_INIT_VALUE, NULL, {0, 0} }
98 #define AST_RWLOCK_INIT_VALUE { __AST_RWLOCK_INIT_VALUE, NULL, {1, 0} }
99 #define AST_RWLOCK_INIT_VALUE_NOTRACKING { __AST_RWLOCK_INIT_VALUE, NULL, {0, 0} }
101 #define AST_MAX_REENTRANCY 10
137 #if !defined(DEBUG_THREADS) && !defined(DEBUG_THREADS_LOOSE_ABI)
144 #elif defined(DEBUG_THREADS)
158 #if !defined(DEBUG_THREADS) && !defined(DEBUG_THREADS_LOOSE_ABI)
165 #elif defined(DEBUG_THREADS)
184 #define ast_mutex_init(pmutex) __ast_pthread_mutex_init(1, __FILE__, __LINE__, __PRETTY_FUNCTION__, #pmutex, pmutex)
185 #define ast_mutex_init_notracking(pmutex) __ast_pthread_mutex_init(0, __FILE__, __LINE__, __PRETTY_FUNCTION__, #pmutex, pmutex)
186 #define ast_mutex_destroy(a) __ast_pthread_mutex_destroy(__FILE__, __LINE__, __PRETTY_FUNCTION__, #a, a)
187 #define ast_mutex_lock(a) __ast_pthread_mutex_lock(__FILE__, __LINE__, __PRETTY_FUNCTION__, #a, a)
188 #define ast_mutex_unlock(a) __ast_pthread_mutex_unlock(__FILE__, __LINE__, __PRETTY_FUNCTION__, #a, a)
189 #define ast_mutex_trylock(a) __ast_pthread_mutex_trylock(__FILE__, __LINE__, __PRETTY_FUNCTION__, #a, a)
192 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);
199 #define ast_cond_init(cond, attr) __ast_cond_init(__FILE__, __LINE__, __PRETTY_FUNCTION__, #cond, cond, attr)
200 #define ast_cond_destroy(cond) __ast_cond_destroy(__FILE__, __LINE__, __PRETTY_FUNCTION__, #cond, cond)
201 #define ast_cond_signal(cond) __ast_cond_signal(__FILE__, __LINE__, __PRETTY_FUNCTION__, #cond, cond)
202 #define ast_cond_broadcast(cond) __ast_cond_broadcast(__FILE__, __LINE__, __PRETTY_FUNCTION__, #cond, cond)
203 #define ast_cond_wait(cond, mutex) __ast_cond_wait(__FILE__, __LINE__, __PRETTY_FUNCTION__, #cond, #mutex, cond, mutex)
204 #define ast_cond_timedwait(cond, mutex, time) __ast_cond_timedwait(__FILE__, __LINE__, __PRETTY_FUNCTION__, #cond, #mutex, cond, mutex, time)
222 #define ast_rwlock_init(rwlock) __ast_rwlock_init(1, __FILE__, __LINE__, __PRETTY_FUNCTION__, #rwlock, rwlock)
229 #define ast_rwlock_init_notracking(rwlock) __ast_rwlock_init(0, __FILE__, __LINE__, __PRETTY_FUNCTION__, #rwlock, rwlock)
231 #define ast_rwlock_destroy(rwlock) __ast_rwlock_destroy(__FILE__, __LINE__, __PRETTY_FUNCTION__, #rwlock, rwlock)
232 #define ast_rwlock_unlock(a) __ast_rwlock_unlock(__FILE__, __LINE__, __PRETTY_FUNCTION__, a, #a)
233 #define ast_rwlock_rdlock(a) __ast_rwlock_rdlock(__FILE__, __LINE__, __PRETTY_FUNCTION__, a, #a)
234 #define ast_rwlock_wrlock(a) __ast_rwlock_wrlock(__FILE__, __LINE__, __PRETTY_FUNCTION__, a, #a)
235 #define ast_rwlock_tryrdlock(a) __ast_rwlock_tryrdlock(__FILE__, __LINE__, __PRETTY_FUNCTION__, a, #a)
236 #define ast_rwlock_trywrlock(a) __ast_rwlock_trywrlock(__FILE__, __LINE__, __PRETTY_FUNCTION__, a, #a)
237 #define ast_rwlock_timedrdlock(a, b) __ast_rwlock_timedrdlock(__FILE__, __LINE__, __PRETTY_FUNCTION__, a, #a, b)
238 #define ast_rwlock_timedwrlock(a, b) __ast_rwlock_timedwrlock(__FILE__, __LINE__, __PRETTY_FUNCTION__, a, #a, b)
240 #define ROFFSET ((lt->reentrancy > 0) ? (lt->reentrancy-1) : 0)
245 #define DO_THREAD_CRASH do { *((int *)(0)) = 1; } while(0)
247 #define DO_THREAD_CRASH do { } while (0)
267 int line_num,
const char *func,
const char *lock_name,
void *lock_addr,
struct ast_bt *bt);
272 void ast_mark_lock_acquired(
void *lock_addr);
285 void ast_remove_lock_info(
void *lock_addr,
struct ast_bt *bt);
286 void ast_suspend_lock_info(
void *lock_addr);
287 void ast_restore_lock_info(
void *lock_addr);
299 void ast_log_show_lock(
void *this_lock_addr);
314 struct ast_str *ast_dump_locks(
void);
322 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);
330 #define AO2_DEADLOCK_AVOIDANCE(obj) \
332 char __filename[80], __func[80], __mutex_name[80]; \
334 int __res = ast_find_lock_info(ao2_object_get_lockaddr(obj), __filename, sizeof(__filename), &__lineno, __func, sizeof(__func), __mutex_name, sizeof(__mutex_name)); \
335 int __res2 = ao2_unlock(obj); \
339 ast_log(LOG_WARNING, "Could not unlock ao2 object '%s': %s and no lock info found! I will NOT try to relock.\n", #obj, strerror(__res2)); \
345 ast_log(LOG_WARNING, "Could not unlock ao2 object '%s': %s. {{{Originally locked at %s line %d: (%s) '%s'}}} I will NOT try to relock.\n", #obj, strerror(__res2), __filename, __lineno, __func, __mutex_name); \
347 __ao2_lock(obj, AO2_LOCK_REQ_MUTEX, __filename, __func, __lineno, __mutex_name); \
352 #define CHANNEL_DEADLOCK_AVOIDANCE(chan) \
354 char __filename[80], __func[80], __mutex_name[80]; \
356 int __res = ast_find_lock_info(ao2_object_get_lockaddr(chan), __filename, sizeof(__filename), &__lineno, __func, sizeof(__func), __mutex_name, sizeof(__mutex_name)); \
357 int __res2 = ast_channel_unlock(chan); \
361 ast_log(LOG_WARNING, "Could not unlock channel '%s': %s and no lock info found! I will NOT try to relock.\n", #chan, strerror(__res2)); \
363 ast_channel_lock(chan); \
367 ast_log(LOG_WARNING, "Could not unlock channel '%s': %s. {{{Originally locked at %s line %d: (%s) '%s'}}} I will NOT try to relock.\n", #chan, strerror(__res2), __filename, __lineno, __func, __mutex_name); \
369 __ao2_lock(chan, AO2_LOCK_REQ_MUTEX, __filename, __func, __lineno, __mutex_name); \
374 #define DEADLOCK_AVOIDANCE(lock) \
376 char __filename[80], __func[80], __mutex_name[80]; \
378 int __res = ast_find_lock_info(lock, __filename, sizeof(__filename), &__lineno, __func, sizeof(__func), __mutex_name, sizeof(__mutex_name)); \
379 int __res2 = ast_mutex_unlock(lock); \
383 ast_mutex_lock(lock); \
385 ast_log(LOG_WARNING, "Could not unlock mutex '%s': %s and no lock info found! I will NOT try to relock.\n", #lock, strerror(__res2)); \
389 __ast_pthread_mutex_lock(__filename, __lineno, __func, __mutex_name, lock); \
391 ast_log(LOG_WARNING, "Could not unlock mutex '%s': %s. {{{Originally locked at %s line %d: (%s) '%s'}}} I will NOT try to relock.\n", #lock, strerror(__res2), __filename, __lineno, __func, __mutex_name); \
408 #define DLA_UNLOCK(lock) \
410 char __filename[80], __func[80], __mutex_name[80]; \
412 int __res = ast_find_lock_info(lock, __filename, sizeof(__filename), &__lineno, __func, sizeof(__func), __mutex_name, sizeof(__mutex_name)); \
413 int __res2 = ast_mutex_unlock(lock);
427 #define DLA_LOCK(lock) \
430 ast_log(LOG_WARNING, "Could not unlock mutex '%s': %s and no lock info found! I will NOT try to relock.\n", #lock, strerror(__res2)); \
432 ast_mutex_lock(lock); \
436 ast_log(LOG_WARNING, "Could not unlock mutex '%s': %s. {{{Originally locked at %s line %d: (%s) '%s'}}} I will NOT try to relock.\n", #lock, strerror(__res2), __filename, __lineno, __func, __mutex_name); \
438 __ast_pthread_mutex_lock(__filename, __lineno, __func, __mutex_name, lock); \
447 fprintf(stderr,
"ast_reentrancy_lock failed: '%s' (%d)\n", strerror(res), res);
448 #if defined(DO_CRASH) || defined(THREAD_CRASH)
454 static inline void ast_reentrancy_unlock(
struct ast_lock_track *lt)
458 fprintf(stderr,
"ast_reentrancy_unlock failed: '%s' (%d)\n", strerror(res), res);
459 #if defined(DO_CRASH) || defined(THREAD_CRASH)
467 #define AO2_DEADLOCK_AVOIDANCE(obj) \
472 #define CHANNEL_DEADLOCK_AVOIDANCE(chan) \
473 ast_channel_unlock(chan); \
475 ast_channel_lock(chan);
477 #define DEADLOCK_AVOIDANCE(lock) \
480 if (!(__res = ast_mutex_unlock(lock))) { \
482 ast_mutex_lock(lock); \
484 ast_log(LOG_WARNING, "Failed to unlock mutex '%s' (%s). I will NOT try to relock. {{{ THIS IS A BUG. }}}\n", #lock, strerror(__res)); \
488 #define DLA_UNLOCK(lock) ast_mutex_unlock(lock)
490 #define DLA_LOCK(lock) ast_mutex_lock(lock)
494 #if defined(AST_MUTEX_INIT_W_CONSTRUCTORS)
499 #define __AST_MUTEX_DEFINE(scope, mutex, init_val, track) \
500 scope ast_mutex_t mutex = init_val; \
501 static void __attribute__((constructor)) init_##mutex(void) \
504 ast_mutex_init(&mutex); \
506 ast_mutex_init_notracking(&mutex); \
509 static void __attribute__((destructor)) fini_##mutex(void) \
511 ast_mutex_destroy(&mutex); \
515 #define __AST_MUTEX_DEFINE(scope, mutex, init_val, track) scope ast_mutex_t mutex = init_val
518 #define AST_MUTEX_DEFINE_STATIC(mutex) __AST_MUTEX_DEFINE(static, mutex, AST_MUTEX_INIT_VALUE, 1)
519 #define AST_MUTEX_DEFINE_STATIC_NOTRACKING(mutex) __AST_MUTEX_DEFINE(static, mutex, AST_MUTEX_INIT_VALUE_NOTRACKING, 0)
523 #ifdef AST_MUTEX_INIT_W_CONSTRUCTORS
524 #define __AST_RWLOCK_DEFINE(scope, rwlock, init_val, track) \
525 scope ast_rwlock_t rwlock = init_val; \
526 static void __attribute__((constructor)) init_##rwlock(void) \
529 ast_rwlock_init(&rwlock); \
531 ast_rwlock_init_notracking(&rwlock); \
533 static void __attribute__((destructor)) fini_##rwlock(void) \
535 ast_rwlock_destroy(&rwlock); \
538 #define __AST_RWLOCK_DEFINE(scope, rwlock, init_val, track) scope ast_rwlock_t rwlock = init_val
541 #define AST_RWLOCK_DEFINE_STATIC(rwlock) __AST_RWLOCK_DEFINE(static, rwlock, AST_RWLOCK_INIT_VALUE, 1)
542 #define AST_RWLOCK_DEFINE_STATIC_NOTRACKING(rwlock) __AST_RWLOCK_DEFINE(static, rwlock, AST_RWLOCK_INIT_VALUE_NOTRACKING, 0)
581 #define SCOPED_LOCK(varname, lock, lockfunc, unlockfunc) \
582 RAII_VAR(typeof((lock)), varname, ({lockfunc((lock)); (lock); }), unlockfunc)
587 #define SCOPED_MUTEX(varname, lock) SCOPED_LOCK(varname, (lock), ast_mutex_lock, ast_mutex_unlock)
592 #define SCOPED_RDLOCK(varname, lock) SCOPED_LOCK(varname, (lock), ast_rwlock_rdlock, ast_rwlock_unlock)
597 #define SCOPED_WRLOCK(varname, lock) SCOPED_LOCK(varname, (lock), ast_rwlock_wrlock, ast_rwlock_unlock)
602 #define SCOPED_AO2LOCK(varname, obj) SCOPED_LOCK(varname, (obj), ao2_lock, ao2_unlock)
607 #define SCOPED_AO2RDLOCK(varname, obj) SCOPED_LOCK(varname, (obj), ao2_rdlock, ao2_unlock)
612 #define SCOPED_AO2WRLOCK(varname, obj) SCOPED_LOCK(varname, (obj), ao2_wrlock, ao2_unlock)
617 #define SCOPED_CHANNELLOCK(varname, chan) SCOPED_LOCK(varname, (chan), ast_channel_lock, ast_channel_unlock)
620 #define pthread_mutex_t use_ast_mutex_t_instead_of_pthread_mutex_t
621 #define pthread_cond_t use_ast_cond_t_instead_of_pthread_cond_t
623 #define pthread_mutex_lock use_ast_mutex_lock_instead_of_pthread_mutex_lock
624 #define pthread_mutex_unlock use_ast_mutex_unlock_instead_of_pthread_mutex_unlock
625 #define pthread_mutex_trylock use_ast_mutex_trylock_instead_of_pthread_mutex_trylock
626 #define pthread_mutex_init use_ast_mutex_init_instead_of_pthread_mutex_init
627 #define pthread_mutex_destroy use_ast_mutex_destroy_instead_of_pthread_mutex_destroy
628 #define pthread_cond_init use_ast_cond_init_instead_of_pthread_cond_init
629 #define pthread_cond_destroy use_ast_cond_destroy_instead_of_pthread_cond_destroy
630 #define pthread_cond_signal use_ast_cond_signal_instead_of_pthread_cond_signal
631 #define pthread_cond_broadcast use_ast_cond_broadcast_instead_of_pthread_cond_broadcast
632 #define pthread_cond_wait use_ast_cond_wait_instead_of_pthread_cond_wait
633 #define pthread_cond_timedwait use_ast_cond_timedwait_instead_of_pthread_cond_timedwait
635 #define AST_MUTEX_INITIALIZER __use_AST_MUTEX_DEFINE_STATIC_rather_than_AST_MUTEX_INITIALIZER__
637 #define gethostbyname __gethostbyname__is__not__reentrant__use__ast_gethostbyname__instead__
640 #define pthread_create __use_ast_pthread_create_instead__
665 #if defined(HAVE_C_ATOMICS)
667 #define ast_atomic_fetch_add(ptr, val, memorder) __atomic_fetch_add((ptr), (val), (memorder))
668 #define ast_atomic_add_fetch(ptr, val, memorder) __atomic_add_fetch((ptr), (val), (memorder))
671 #define ast_atomic_fetch_sub(ptr, val, memorder) __atomic_fetch_sub((ptr), (val), (memorder))
672 #define ast_atomic_sub_fetch(ptr, val, memorder) __atomic_sub_fetch((ptr), (val), (memorder))
675 #define ast_atomic_fetch_and(ptr, val, memorder) __atomic_fetch_and((ptr), (val), (memorder))
676 #define ast_atomic_and_fetch(ptr, val, memorder) __atomic_and_fetch((ptr), (val), (memorder))
679 #define ast_atomic_fetch_or(ptr, val, memorder) __atomic_fetch_or((ptr), (val), (memorder))
680 #define ast_atomic_or_fetch(ptr, val, memorder) __atomic_or_fetch((ptr), (val), (memorder))
683 #define ast_atomic_fetch_xor(ptr, val, memorder) __atomic_fetch_xor((ptr), (val), (memorder))
684 #define ast_atomic_xor_fetch(ptr, val, memorder) __atomic_xor_fetch((ptr), (val), (memorder))
691 #define ast_atomic_compare_exchange_n(ptr, expected, desired, success_memorder, failure_memorder) \
692 __atomic_compare_exchange_n((ptr), (expected), (desired), 0, success_memorder, failure_memorder)
694 #define ast_atomic_compare_exchange(ptr, expected, desired, success_memorder, failure_memorder) \
695 __atomic_compare_exchange((ptr), (expected), (desired), 0, success_memorder, failure_memorder)
698 #elif defined(HAVE_GCC_ATOMICS)
700 #define ast_atomic_fetch_add(ptr, val, memorder) __sync_fetch_and_add((ptr), (val))
701 #define ast_atomic_add_fetch(ptr, val, memorder) __sync_add_and_fetch((ptr), (val))
704 #define ast_atomic_fetch_sub(ptr, val, memorder) __sync_fetch_and_sub((ptr), (val))
705 #define ast_atomic_sub_fetch(ptr, val, memorder) __sync_sub_and_fetch((ptr), (val))
708 #define ast_atomic_fetch_and(ptr, val, memorder) __sync_fetch_and_and((ptr), (val))
709 #define ast_atomic_and_fetch(ptr, val, memorder) __sync_and_and_fetch((ptr), (val))
712 #define ast_atomic_fetch_or(ptr, val, memorder) __sync_fetch_and_or((ptr), (val))
713 #define ast_atomic_or_fetch(ptr, val, memorder) __sync_or_and_fetch((ptr), (val))
716 #define ast_atomic_fetch_xor(ptr, val, memorder) __sync_fetch_and_xor((ptr), (val))
717 #define ast_atomic_xor_fetch(ptr, val, memorder) __sync_xor_and_fetch((ptr), (val))
729 #define ast_atomic_compare_exchange_n(ptr, expected, desired, success_memorder, failure_memorder) \
730 __sync_bool_compare_and_swap((ptr), *(expected), (desired))
732 #define ast_atomic_compare_exchange(ptr, expected, desired, success_memorder, failure_memorder) \
733 __sync_bool_compare_and_swap((ptr), *(expected), *(desired))
737 #error "Atomics not available."
741 #define ast_atomic_flag_set(ptr, val, memorder) ast_atomic_fetch_or((ptr), (val), (memorder))
744 #define ast_atomic_flag_clear(ptr, val, memorder) ast_atomic_fetch_and((ptr), ~(val), (memorder))
Asterisk backtrace generation.
Compiler-specific macros and other items.
void ast_mark_lock_failed(void *lock_addr)
Support for logging to various files, console and syslog Configuration in file logger....
Inlinable API function macro.
#define AST_INLINE_API(hdr, body)
#define AST_MAX_REENTRANCY
int __ast_rwlock_wrlock(const char *filename, int lineno, const char *func, ast_rwlock_t *t, const char *name)
int __ast_rwlock_destroy(const char *filename, int lineno, const char *func, const char *rwlock_name, ast_rwlock_t *t)
int __ast_cond_broadcast(const char *filename, int lineno, const char *func, const char *cond_name, ast_cond_t *cond)
int __ast_rwlock_trywrlock(const char *filename, int lineno, const char *func, ast_rwlock_t *t, const char *name)
int __ast_rwlock_unlock(const char *filename, int lineno, const char *func, ast_rwlock_t *t, const char *name)
int __ast_rwlock_init(int tracking, const char *filename, int lineno, const char *func, const char *rwlock_name, ast_rwlock_t *t)
int __ast_rwlock_timedrdlock(const char *filename, int lineno, const char *func, ast_rwlock_t *t, const char *name, const struct timespec *abs_timeout)
#define pthread_mutex_lock
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_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_atomic_fetchadd_int(volatile int *p, int v)
Atomically add v to *p and return the previous value of *p.
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 __ast_cond_signal(const char *filename, int lineno, const char *func, const char *cond_name, ast_cond_t *cond)
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_init(int tracking, const char *filename, int lineno, const char *func, const char *mutex_name, ast_mutex_t *t)
int __ast_rwlock_timedwrlock(const char *filename, int lineno, const char *func, ast_rwlock_t *t, const char *name, const struct timespec *abs_timeout)
#define ast_atomic_sub_fetch(ptr, val, memorder)
pthread_cond_t ast_cond_t
int __ast_pthread_mutex_trylock(const char *filename, int lineno, const char *func, const char *mutex_name, ast_mutex_t *t)
#define pthread_mutex_unlock
int __ast_cond_destroy(const char *filename, int lineno, const char *func, const char *cond_name, ast_cond_t *cond)
int ast_atomic_dec_and_test(volatile int *p)
decrement *p by 1 and return true if the variable has reached 0.
int __ast_rwlock_tryrdlock(const char *filename, int lineno, const char *func, ast_rwlock_t *t, const char *name)
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_unlock(const char *filename, int lineno, const char *func, const char *mutex_name, ast_mutex_t *t)
int __ast_rwlock_rdlock(const char *filename, int lineno, const char *func, ast_rwlock_t *t, const char *name)
#define ast_atomic_fetch_add(ptr, val, memorder)
Support for atomic instructions.
A structure to hold backtrace information. This structure provides an easy means to store backtrace i...
Main Channel structure associated with a channel.
volatile unsigned int setup
Lock tracking information.
struct ast_bt backtrace[AST_MAX_REENTRANCY]
pthread_t thread_id[AST_MAX_REENTRANCY]
int lineno[AST_MAX_REENTRANCY]
pthread_mutex_t reentr_mutex
const char * file[AST_MAX_REENTRANCY]
const char * func[AST_MAX_REENTRANCY]
Structure for mutex and tracking information.
struct ast_lock_track * _track
struct ast_lock_track_flags _flags
Structure for rwlock and tracking information.
struct ast_lock_track * _track
struct ast_lock_track_flags _flags
Support for dynamic strings.
Time-related functions and macros.