replace exit(3) by _exit(2) in signal handler sigchld()
exit(3) is not async-signal-safe but, _exit(2) is. This change prevents st to crash and dump core.
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st.c
2
st.c
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@ -730,7 +730,7 @@ sigchld(int a)
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die("child exited with status %d\n", WEXITSTATUS(stat));
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die("child exited with status %d\n", WEXITSTATUS(stat));
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else if (WIFSIGNALED(stat))
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else if (WIFSIGNALED(stat))
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die("child terminated due to signal %d\n", WTERMSIG(stat));
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die("child terminated due to signal %d\n", WTERMSIG(stat));
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exit(0);
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_exit(0);
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}
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}
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void
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void
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