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Add some debugging code that ensures that when we do deadlock avoidance, we

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don't lose the information about how a lock was originally acquired.


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@118953 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Tilghman Lesher
2008-05-29 17:20:16 +00:00
parent e58b5c63c6
commit 65808210e9
8 changed files with 86 additions and 79 deletions
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28
main/utils.c
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@@ -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;