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authorJochen Sprickerhof <dwm@jochen.sprickerhof.de>2015-04-22 17:22:34 +0200
committerRoberto E. Vargas Caballero <k0ga@shike2.com>2015-05-04 10:57:40 +0200
commit07ce96a3a0f4a650933f5f586082cbf2064ea2c1 (patch)
tree8d1bf87de67d6cd4f80a9461cefabc0bc55a2882
parent190b94c7a2a7bb2f5d55cbb6eb1779fd042c6467 (diff)
downloadst-07ce96a3a0f4a650933f5f586082cbf2064ea2c1.tar.gz
Fix sigchld
Only wait for termination of the shell.
-rw-r--r--st.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/st.c b/st.c
index d954288..300cab6 100644
--- 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);