# st

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    commit d6ea0a1a61853dd892029a7126e7fdb70c371878
    parent 43a395ae91f7d67ce694e65edeaa7bbc720dd027
    Author: Jan Klemkow <j.klemkow@wemelug.de>
    Date:   Thu, 30 Apr 2020 00:10:02 +0200

    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.

    Diffstat:
    Mst.c | 2+-

    1 file changed, 1 insertion(+), 1 deletion(-)
    diff --git 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