From c0f432f99b5fc11e989ad3028cc1f5c0d60bd074 Mon Sep 17 00:00:00 2001
From: nick black <dankamongmen@gmail.com>
Date: Fri, 17 Sep 2021 19:08:48 -0400
Subject: [PATCH] setup_signals: block SIGWINCH/SIGCONT for the calling thread
 #2175

---
 src/lib/signal.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/lib/signal.c b/src/lib/signal.c
index af6c996c4..303e6619f 100644
--- a/src/lib/signal.c
+++ b/src/lib/signal.c
@@ -171,6 +171,9 @@ int setup_signals(void* vnc, bool no_quit_sigs, bool no_winch_sigs,
       fprintf(stderr, "Error installing term signal handler (%s)\n", strerror(errno));
       return -1;
     }
+    // we're not going to be restoring the old mask at exit, as who knows,
+    // they might have masked more things afterwards.
+    pthread_sigmask(SIG_BLOCK, &sa.sa_mask, NULL);
     handling_winch = true;
   }
   if(!no_quit_sigs){