From 15093f2a63eb32e45ce42b6e00b14211d611e999 Mon Sep 17 00:00:00 2001 From: Tilghman Lesher Date: Wed, 25 Jun 2008 01:08:37 +0000 Subject: Merged revisions 124965 via svnmerge from https://origsvn.digium.com/svn/asterisk/branches/1.4 ........ r124965 | tilghman | 2008-06-24 19:46:24 -0500 (Tue, 24 Jun 2008) | 7 lines Pvt deadlock causes some channels to get stuck in Reserved status. (closes issue #12621) Reported by: fabianoheringer Patches: 20080612__bug12621.diff.txt uploaded by Corydon76 (license 14) Tested by: fabianoheringer ........ git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@124966 65c4cc65-6c06-0410-ace0-fbb531ad65f3 --- include/asterisk/lock.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'include') diff --git a/include/asterisk/lock.h b/include/asterisk/lock.h index 516c4627f..3f261c6a3 100644 --- a/include/asterisk/lock.h +++ b/include/asterisk/lock.h @@ -261,6 +261,20 @@ int ast_find_lock_info(void *lock_addr, const char **filename, int *lineno, cons * used during deadlock avoidance, to preserve the original location where * a lock was originally acquired. */ +#define CHANNEL_DEADLOCK_AVOIDANCE(chan) \ + do { \ + const char *__filename, *__func, *__mutex_name; \ + int __lineno; \ + int __res = ast_find_lock_info(&chan->lock_dont_use, &__filename, &__lineno, &__func, &__mutex_name); \ + ast_channel_unlock(chan); \ + usleep(1); \ + if (__res < 0) { /* Shouldn't ever happen, but just in case... */ \ + ast_channel_lock(chan); \ + } else { \ + __ast_pthread_mutex_lock(__filename, __lineno, __func, __mutex_name, &chan->lock_dont_use); \ + } \ + } while (0) + #define DEADLOCK_AVOIDANCE(lock) \ do { \ const char *__filename, *__func, *__mutex_name; \ @@ -1405,6 +1419,11 @@ static inline int _ast_rwlock_trywrlock(ast_rwlock_t *t, const char *name, #else /* !DEBUG_THREADS */ +#define CHANNEL_DEADLOCK_AVOIDANCE(chan) \ + ast_channel_lock(chan); \ + usleep(1); \ + ast_channel_unlock(chan); + #define DEADLOCK_AVOIDANCE(lock) \ ast_mutex_lock(lock); \ usleep(1); \ -- cgit v1.2.3