From 2fe72effa9870ee2d66aad56ce048960f933c96c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Ekl=C3=B6f?= <daniel@ekloef.se>
Date: Wed, 5 Feb 2025 11:39:06 +0100
Subject: [PATCH] term: ptmx pause/resume: don't modify the FDM if ptmx has
 been closed

This fixes error message spam when resizing a terminal window executed
with --hold, and where the client application has terminated.
---
 terminal.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/terminal.c b/terminal.c
index 6936ff29..9fd20002 100644
--- a/terminal.c
+++ b/terminal.c
@@ -387,12 +387,16 @@ fdm_ptmx(struct fdm *fdm, int fd, int events, void *data)
 bool
 term_ptmx_pause(struct terminal *term)
 {
+    if (term->ptmx < 0)
+        return false;
     return fdm_event_del(term->fdm, term->ptmx, EPOLLIN);
 }
 
 bool
 term_ptmx_resume(struct terminal *term)
 {
+    if (term->ptmx < 0)
+        return false;
     return fdm_event_add(term->fdm, term->ptmx, EPOLLIN);
 }