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[Core] Fix crash in enterprise originate: memory fence the handles.

This commit is contained in:
Andrey Volk 2022-11-30 23:18:55 +03:00
parent edd36639c7
commit ded2a4c1be
1 changed files with 15 additions and 3 deletions
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18
src/switch_ivr_originate.c
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@ -1465,6 +1465,7 @@ typedef struct {
int done;
switch_thread_t *thread;
switch_mutex_t *mutex;
switch_mutex_t *fence_mutex;
switch_dial_handle_t *dh;
} enterprise_originate_handle_t;
@ -1479,9 +1480,13 @@ struct ent_originate_ringback {
static void *SWITCH_THREAD_FUNC enterprise_originate_thread(switch_thread_t *thread, void *obj)
{
enterprise_originate_handle_t *handle = (enterprise_originate_handle_t *) obj;
switch_status_t status;
switch_mutex_lock(handle->fence_mutex);
handle->done = 0;
handle->status = switch_ivr_originate(NULL, &handle->bleg, &handle->cause,
switch_mutex_unlock(handle->fence_mutex);
status = switch_ivr_originate(NULL, &handle->bleg, &handle->cause,
handle->bridgeto, handle->timelimit_sec,
handle->table,
handle->cid_name_override,
@ -1492,8 +1497,11 @@ static void *SWITCH_THREAD_FUNC enterprise_originate_thread(switch_thread_t *thr
&handle->cancel_cause,
handle->dh);
switch_mutex_lock(handle->fence_mutex);
handle->status = status;
handle->done = 1;
switch_mutex_unlock(handle->fence_mutex);
switch_mutex_lock(handle->mutex);
switch_mutex_unlock(handle->mutex);
@ -1697,6 +1705,7 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_enterprise_originate(switch_core_sess
switch_dial_handle_dup(&handles[i].dh, hl->handles[i]);
}
switch_mutex_init(&handles[i].mutex, SWITCH_MUTEX_NESTED, pool);
switch_mutex_init(&handles[i].fence_mutex, SWITCH_MUTEX_NESTED, pool);
switch_mutex_lock(handles[i].mutex);
switch_thread_create(&handles[i].thread, thd_attr, enterprise_originate_thread, &handles[i], pool);
}
@ -1738,13 +1747,14 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_enterprise_originate(switch_core_sess
for (i = 0; i < x_argc; i++) {
switch_mutex_lock(handles[i].fence_mutex);
if (handles[i].done == 0) {
running++;
} else if (handles[i].done == 1) {
if (handles[i].status == SWITCH_STATUS_SUCCESS) {
handles[i].done = 2;
hp = &handles[i];
switch_mutex_unlock(handles[i].fence_mutex);
goto done;
} else {
handles[i].done = -1;
@ -1753,6 +1763,8 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_enterprise_originate(switch_core_sess
over++;
}
switch_mutex_unlock(handles[i].fence_mutex);
switch_yield(10000);
}