Merge pull request #2368 from RyanDwyer/handle-out-of-fds

Handle out-of-fd situations gracefully for transaction and urgent timers

1 files changed, 9 insertions, 1 deletions

diff --git a/sway/desktop/transaction.c b/sway/desktop/transaction.c
index ccda1963..7975366e 100644
--- a/sway/desktop/transaction.c
+++ b/sway/desktop/transaction.c
@@ -1,4 +1,5 @@
 #define _POSIX_C_SOURCE 200809L
+#include <errno.h>
 #include <stdbool.h>
 #include <stdlib.h>
 #include <string.h>
@@ -316,7 +317,14 @@ static void transaction_commit(struct sway_transaction *transaction) {
 		// Set up a timer which the views must respond within
 		transaction->timer = wl_event_loop_add_timer(server.wl_event_loop,
 				handle_timeout, transaction);
-		wl_event_source_timer_update(transaction->timer, txn_timeout_ms);
+		if (transaction->timer) {
+			wl_event_source_timer_update(transaction->timer, txn_timeout_ms);
+		} else {
+			wlr_log(WLR_ERROR, "Unable to create transaction timer (%s). "
+					"Some imperfect frames might be rendered.",
+					strerror(errno));
+			handle_timeout(transaction);
+		}
 	}
 
 	// The debug tree shows the pending/live tree. Here is a good place to