From d6ea0a1a61853dd892029a7126e7fdb70c371878 Mon Sep 17 00:00:00 2001
From: Jan Klemkow <j.klemkow@wemelug.de>
Date: Thu, 30 Apr 2020 00:10:02 +0200
Subject: [PATCH] replace exit(3) by _exit(2) in signal handler sigchld()
exit(3) is not async-signal-safe but, _exit(2) is.
This change prevents st to crash and dump core.
---
st.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/st.c b/st.c
index 0ce6ac2..2bf133f 100644
--- a/st.c
+++ b/st.c
@@ -730,7 +730,7 @@ sigchld(int a)
die("child exited with status %d\n", WEXITSTATUS(stat));
else if (WIFSIGNALED(stat))
die("child terminated due to signal %d\n", WTERMSIG(stat));
- exit(0);
+ _exit(0);
}
void
--
2.20.1