fix a race condition that caused asterisk to log a *ton* of warnings on mac

osx about poll returning an error because the polled file descriptor was bad.


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.2@36751 65c4cc65-6c06-0410-ace0-fbb531ad65f3

asterisk.c

@@ -592,6 +592,7 @@ static void *listener(void *unused)
 		fds[0].fd = ast_socket;
 		fds[0].events= POLLIN;
 		s = poll(fds, 1, -1);
+		pthread_testcancel();
 		if (s < 0) {
 			if (errno != EINTR)
 				ast_log(LOG_WARNING, "poll returned error: %s\n", strerror(errno));
@@ -905,13 +906,13 @@ static void quit_handler(int num, int nice, int safeshutdown, int restart)
 		ast_log(LOG_DEBUG, "Asterisk ending (%d).\n", num);
 	manager_event(EVENT_FLAG_SYSTEM, "Shutdown", "Shutdown: %s\r\nRestart: %s\r\n", ast_active_channels() ? "Uncleanly" : "Cleanly", restart ? "True" : "False");
 	if (ast_socket > -1) {
+		pthread_cancel(lthread);
 		close(ast_socket);
 		ast_socket = -1;
+		unlink(ast_config_AST_SOCKET);
 	}
 	if (ast_consock > -1)
 		close(ast_consock);
-	if (ast_socket > -1)
-		unlink((char *)ast_config_AST_SOCKET);
 	if (!option_remote) unlink((char *)ast_config_AST_PID);
 	printf(term_quit());
 	if (restart) {