diff options
author | tilghman <tilghman@f38db490-d61c-443f-a65b-d21fe96a405b> | 2008-05-29 17:20:16 +0000 |
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committer | tilghman <tilghman@f38db490-d61c-443f-a65b-d21fe96a405b> | 2008-05-29 17:20:16 +0000 |
commit | bca55854e272254e9a80c364a93a11de94fd66cd (patch) | |
tree | f9dba4c3b8fb8146d3f0ee9d71f57b489ee6baa2 /main/utils.c | |
parent | 5ccf4bbcb3e3cdc8fcf2bce3cb9c65c66b5cdeea (diff) |
Add some debugging code that ensures that when we do deadlock avoidance, we
don't lose the information about how a lock was originally acquired.
git-svn-id: http://svn.digium.com/svn/asterisk/branches/1.4@118953 f38db490-d61c-443f-a65b-d21fe96a405b
Diffstat (limited to 'main/utils.c')
-rw-r--r-- | main/utils.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/main/utils.c b/main/utils.c index 5190f5f64..7b6e64812 100644 --- a/main/utils.c +++ b/main/utils.c @@ -662,6 +662,34 @@ void ast_mark_lock_failed(void *lock_addr) pthread_mutex_unlock(&lock_info->lock); } +int ast_find_lock_info(void *lock_addr, const char **filename, int *lineno, const char **func, const char **mutex_name) +{ + struct thr_lock_info *lock_info; + int i = 0; + + if (!(lock_info = ast_threadstorage_get(&thread_lock_info, sizeof(*lock_info)))) + return -1; + + pthread_mutex_lock(&lock_info->lock); + + for (i = lock_info->num_locks - 1; i >= 0; i--) { + if (lock_info->locks[i].lock_addr == lock_addr) + break; + } + + if (i == -1) { + /* Lock not found :( */ + pthread_mutex_unlock(&lock_info->lock); + return -1; + } + + *filename = lock_info->locks[i].file; + *lineno = lock_info->locks[i].line_num; + *func = lock_info->locks[i].func; + *mutex_name = lock_info->locks[i].lock_name; + return 0; +} + void ast_remove_lock_info(void *lock_addr) { struct thr_lock_info *lock_info; |