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Suppress spurious "killing process N: Operation not permitted" on macOS

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This commit is contained in:
Eelco Dolstra 2017-06-12 18:34:48 +02:00
parent 25230a17a9
commit 177f3996e2
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GPG key ID: 8170B4726D7198DE
1 changed files with 9 additions and 2 deletions
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11
src/libutil/util.cc
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@ -724,8 +724,15 @@ int Pid::kill()
/* Send the requested signal to the child. If it has its own
process group, send the signal to every process in the child
process group (which hopefully includes *all* its children). */
if (::kill(separatePG ? -pid : pid, killSignal) != 0)
printError((SysError(format("killing process %1%") % pid).msg()));
if (::kill(separatePG ? -pid : pid, killSignal) != 0) {
/* On BSDs, killing a process group will return EPERM if all
processes in the group are zombies (or something like
that). So try to detect and ignore that situation. */
#if __FreeBSD__ || __APPLE__
if (errno != EPERM || ::kill(pid, 0) != 0)
#endif
printError((SysError("killing process %d", pid).msg()));
}
return wait();
}