kenmirrors/asterisk
1
0
Fork 0
mirror of https://github.com/asterisk/asterisk.git synced 2025-09-04 11:58:52 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add proper deadlock avoidance.

Browse Source 
(closes issue #12914)
 Reported by: ozan
 Patches: 
       20080625__bug12914.diff.txt uploaded by Corydon76 (license 14)
 Tested by: ozan


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@125740 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Tilghman Lesher
2008-06-27 12:19:39 +00:00
parent a9d6021211
commit 226a47ccfd
1 changed files with 14 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
channels/chan_local.c
View File

@@ -186,13 +186,15 @@ static int local_queue_frame(struct local_pvt *p, int isoutbound, struct ast_fra
while (other && ast_channel_trylock(other)) {
ast_mutex_unlock(&p->lock);
if (us && us_locked) {
ast_channel_unlock(us);
do {
ast_channel_unlock(us);
usleep(1);
ast_channel_lock(us);
} while (ast_mutex_trylock(&p->lock));
} else {
usleep(1);
ast_mutex_lock(&p->lock);
}
usleep(1);
if (us && us_locked) {
ast_channel_lock(us);
}
ast_mutex_lock(&p->lock);
other = isoutbound ? p->owner : p->chan;
}
@@ -510,7 +512,12 @@ static int local_hangup(struct ast_channel *ast)
if (!p)
return -1;
ast_mutex_lock(&p->lock);
while (ast_mutex_trylock(&p->lock)) {
ast_channel_unlock(ast);
usleep(1);
ast_channel_lock(ast);
}
isoutbound = IS_OUTBOUND(ast, p);
if (isoutbound) {
const char *status = pbx_builtin_getvar_helper(p->chan, "DIALSTATUS");