Fix sigchld - st - simple terminal
HTML git clone https://git.parazyd.org/st
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---
DIR commit 07ce96a3a0f4a650933f5f586082cbf2064ea2c1
DIR parent 190b94c7a2a7bb2f5d55cbb6eb1779fd042c6467
HTML 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(-)
---
DIR 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);