From 8c306b3e3c0fdaf41b2c87c1516fcf336d815511 Mon Sep 17 00:00:00 2001
From: lkn <lkn@localhost>
Date: Tue, 23 Jun 2026 13:34:07 +0200
Subject: [PATCH] ignore SIGPIPE to prevent crash on DnD/clipboard pipe close

Wayland data transfers (drag-and-drop, clipboard) use pipes between
clients. If a client disconnects mid-transfer, writing to the pipe
raises SIGPIPE which kills the compositor. Ignore it.
---
 src/main.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/main.c b/src/main.c
index 64665ea..3b8c2e0 100644
--- a/src/main.c
+++ b/src/main.c
@@ -638,6 +638,10 @@ static int real_main(int argc, char **argv)
 		sigemptyset(&ss);
 		sigaddset(&ss, SIGUSR2);
 		pthread_sigmask(SIG_BLOCK, &ss, NULL);
+
+		/* Ignore SIGPIPE — Wayland data transfers (DnD, clipboard)
+		 * can trigger broken pipes when clients disconnect. */
+		signal(SIGPIPE, SIG_IGN);
 	}
 
 	setlocale(LC_ALL, "");