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set conditionals to only fire when the mutex can be obtained

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This commit is contained in:
Anthony Minessale
2010-09-17 14:05:48 -05:00
parent d7c5cb2e33
commit 07ec7867db
2 changed files with 23 additions and 5 deletions
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src/mod/applications/mod_spandsp/mod_spandsp_fax.c
+13 -3
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@@ -120,6 +120,16 @@ static struct {
int thread_running;
} t38_state_list;
static void wake_thread(void)
{
if (switch_mutex_trylock(globals.cond_mutex) == SWITCH_STATUS_SUCCESS) {
switch_thread_cond_signal(globals.cond);
switch_mutex_unlock(globals.cond_mutex);
}
}
static int add_pvt(pvt_t *pvt)
{
int r = 0;
@@ -130,7 +140,7 @@ static int add_pvt(pvt_t *pvt)
t38_state_list.head = pvt;
switch_mutex_unlock(t38_state_list.mutex);
r = 1;
switch_thread_cond_broadcast(globals.cond);
wake_thread();
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Error launching thread\n");
}
@@ -165,7 +175,7 @@ static int del_pvt(pvt_t *del_pvt)
switch_mutex_unlock(t38_state_list.mutex);
switch_thread_cond_broadcast(globals.cond);
wake_thread();
return r;
}
@@ -1335,7 +1345,7 @@ void mod_spandsp_fax_shutdown(void)
switch_status_t tstatus = SWITCH_STATUS_SUCCESS;
t38_state_list.thread_running = 0;
switch_thread_cond_broadcast(globals.cond);
wake_thread();
switch_thread_join(&tstatus, t38_state_list.thread);
memset(&globals, 0, sizeof(globals));
}