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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:
M
st.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);