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replace exit(3) by _exit(2) in signal handler sigchld()

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exit(3) is not async-signal-safe but, _exit(2) is.
This change prevents st to crash and dump core.
This commit is contained in:
Jan Klemkow
2020-04-30 00:10:02 +02:00
committed by Hiltjo Posthuma
parent 43a395ae91
commit d6ea0a1a61
1 changed files with 1 additions and 1 deletions
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st.c
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@@ -730,7 +730,7 @@ sigchld(int a)
die("child exited with status %d\n", WEXITSTATUS(stat)); die("child exited with status %d\n", WEXITSTATUS(stat));
else if (WIFSIGNALED(stat)) else if (WIFSIGNALED(stat))
die("child terminated due to signal %d\n", WTERMSIG(stat)); die("child terminated due to signal %d\n", WTERMSIG(stat));
exit(0); _exit(0);
} }
void void