From ca456fbba33d00a12bcec06589a08a4e9a081afd Mon Sep 17 00:00:00 2001
From: Peter Stephenson <p.w.stephenson@ntlworld.com>
Date: Thu, 25 Apr 2019 20:29:54 +0100
Subject: 44284: Mark SIGQUIT as ignore if ignored on entry to shell.

This prevents us from re-enabling it after a fork if it is being
ignored.
---
 Src/init.c | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'Src/init.c')

diff --git a/Src/init.c b/Src/init.c
index e7e62e2f7..2d5c3296d 100644
--- a/Src/init.c
+++ b/Src/init.c
@@ -1234,6 +1234,15 @@ init_signals(void)
 
     intr();
 
+#ifdef POSIX_SIGNALS
+    {
+	struct sigaction act;
+	if (!sigaction(SIGQUIT, NULL, &act) &&
+	    act.sa_handler == SIG_IGN)
+	    sigtrapped[SIGQUIT] = ZSIG_IGNORED;
+    }
+#endif
+
 #ifndef QDEBUG
     signal_ignore(SIGQUIT);
 #endif
-- 
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