bool WatcherRunner::watch(const PlatformProcess& child) const {
int status = 0;
ProcessState result = checkChildProcessStatus(child, status);
if (Watcher::fatesBound()) {
// A signal was handled while the watcher was watching.
return false;
}
if (!child.isValid() || result == PROCESS_ERROR) {
// Worker does not exist or never existed.
return false;
} else if (result == PROCESS_STILL_ALIVE) {
// If the inspect finds problems it will stop/restart the worker.
if (!isChildSane(child)) {
stopChild(child);
return false;
}
return true;
}
if (result == PROCESS_EXITED) {
// If the worker process existed, store the exit code.
Watcher::instance().worker_status_ = status;
}
return true;
}
bool isLauncherProcessDead(PlatformProcess& launcher) {
if (!launcher.isValid()) {
return true;
}
return (::getppid() != launcher.nativeHandle());
}
