fix shutdown race destroying memory pools.

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@7943 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/switch_core.c

@@ -1049,6 +1049,7 @@ SWITCH_DECLARE(switch_status_t) switch_core_destroy(void)
 	switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, "End existing sessions\n");
 	switch_core_session_hupall(SWITCH_CAUSE_SYSTEM_SHUTDOWN);
 	switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, "Clean up modules.\n");
+	switch_core_memory_stop();
 	switch_loadable_module_shutdown();
 
 	switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, "Closing Event Engine.\n");
@@ -1061,7 +1062,6 @@ SWITCH_DECLARE(switch_status_t) switch_core_destroy(void)
 
 	switch_rtp_shutdown();
 	switch_xml_destroy();
-	switch_core_memory_stop();
 	switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, "Finalizing Shutdown.\n");
 	switch_log_shutdown();
 

src/switch_core_memory.c

@@ -312,16 +312,13 @@ SWITCH_DECLARE(switch_status_t) switch_core_perform_new_memory_pool(switch_memor
 
 SWITCH_DECLARE(switch_status_t) switch_core_perform_destroy_memory_pool(switch_memory_pool_t **pool, const char *file, const char *func, int line)
 {
-	//char tmp[128] = "";
-
-
 	switch_assert(pool != NULL);
 
 #ifdef DEBUG_ALLOC2
 	switch_log_printf(SWITCH_CHANNEL_ID_LOG, file, func, line, NULL, SWITCH_LOG_CONSOLE, "Free Pool\n");
 #endif
 
-	if (switch_queue_push(memory_manager.pool_queue, *pool) != SWITCH_STATUS_SUCCESS) {
+	if ((memory_manager.pool_thread_running != 1) || (switch_queue_push(memory_manager.pool_queue, *pool) != SWITCH_STATUS_SUCCESS)) {
 		apr_pool_destroy(*pool);
 	}
 	*pool = NULL;

src/switch_time.c

@@ -421,7 +421,6 @@ SWITCH_MODULE_SHUTDOWN_FUNCTION(softtimer_shutdown)
 			switch_yield(10000);
 		}
 	}
-	switch_core_destroy_memory_pool(&module_pool);
 	return SWITCH_STATUS_SUCCESS;
 }