poll: ignore port_getn timeout error for eventport

Author: bukka

main/poll/php_poll_internal.h

@@ -137,6 +137,20 @@ static inline bool php_poll_is_not_found_error(void)
 	return errno == ENOENT;
 }
 
+static inline bool php_poll_is_timeout_error(void)
+{
+#if defined(ETIME) && defined(ETIMEDOUT)
+	return errno == ETIME || errno == ETIMEDOUT;
+#elif defined(ETIME)
+	return errno == ETIME;
+#elif defined(ETIMEDOUT)
+	return errno = ETIMEDOUT;
+#else
+	return false;
+#endif
+}
+
+
 static inline void php_poll_set_error(php_poll_ctx *ctx, php_poll_error error)
 {
 	ctx->last_error = error;

main/poll/poll_backend_eventport.c

@@ -288,6 +288,9 @@ static int eventport_backend_wait(
 	int result = port_getn(backend_data->port_fd, backend_data->events, max_events, &nget, tsp);
 
 	if (result == -1) {
+		if (php_poll_is_timeout_error()) {
+			return 0;
+		}
 		php_poll_set_current_errno_error(ctx);
 		return -1;
 	}