tFix sigchld - st - [fork] customized build of st, the simple terminal | |
git clone git://src.adamsgaard.dk/st | |
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--- | |
commit 07ce96a3a0f4a650933f5f586082cbf2064ea2c1 | |
parent 190b94c7a2a7bb2f5d55cbb6eb1779fd042c6467 | |
Author: Jochen Sprickerhof <[email protected]> | |
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 | |
t@@ -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); |