replace exit(3) by _exit(2) in signal handler sigchld() - st - simple terminal
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       ---
 (DIR) commit d6ea0a1a61853dd892029a7126e7fdb70c371878
 (DIR) parent 43a395ae91f7d67ce694e65edeaa7bbc720dd027
 (HTM) 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:
         M st.c                                |       2 +-
       
       1 file changed, 1 insertion(+), 1 deletion(-)
       ---
 (DIR) 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