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Improve the lock tracking code a bit so that a bunch of old locks that threads

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failed to lock don't sit around in the history.  When a lock is first locked,
this checks to see if the last lock in the list was one that was failed to be
locked.  If it is, then that was a lock that we're no longer sitting in a trylock
loop trying to lock, so just remove it.
(inspired by issue #11712)


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@104102 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Russell Bryant
2008-02-25 23:19:05 +00:00
parent e6652d0a13
commit ac15754e9a
1 changed files with 10 additions and 1 deletions
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11
main/utils.c
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@@ -610,7 +610,16 @@ void ast_store_lock_info(enum ast_lock_type type, const char *filename,
pthread_mutex_unlock(&lock_info->lock);
return;
}
if (i && lock_info->locks[i].pending == -1) {
/* The last lock on the list was one that this thread tried to lock but
* failed at doing so. It has now moved on to something else, so remove
* the old lock from the list. */
i--;
lock_info->num_locks--;
memset(&lock_info->locks[i], 0, sizeof(lock_info->locks[0]));
}
lock_info->locks[i].file = filename;
lock_info->locks[i].line_num = line_num;
lock_info->locks[i].func = func;