# st

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    commit 07ce96a3a0f4a650933f5f586082cbf2064ea2c1
    parent 190b94c7a2a7bb2f5d55cbb6eb1779fd042c6467
    Author: Jochen Sprickerhof <dwm@jochen.sprickerhof.de>
    Date:   Wed, 22 Apr 2015 17:22:34 +0200

    Fix sigchld

    Only wait for termination of the shell.

    Diffstat:
    Mst.c | 6+++++-

    1 file changed, 5 insertions(+), 1 deletion(-)
    diff --git a/st.c b/st.c
    @@ -1238,10 +1238,14 @@ execsh(void) {
     void
     sigchld(int a) {
     	int stat, ret;
    +	pid_t p;

    -	if(waitpid(pid, &stat, 0) < 0)
    +	if((p = waitpid(pid, &stat, WNOHANG)) < 0)
     		die("Waiting for pid %hd failed: %s\n", pid, strerror(errno));

    +	if(pid != p)
    +		return;
    +
     	ret = WIFEXITED(stat) ? WEXITSTATUS(stat) : EXIT_FAILURE;
     	if (ret != EXIT_SUCCESS)
     		die("child finished with error '%d'\n", stat);