def notify_ERRNO(self, value):
try:
intval = int(value)
except ValueError:
self.logdebug("{0} got ERROR={1}, not a valid error code",
self.name, value)
return
code = ProcStatus(intval << 8)
if not self._setready():
self.process_exit(code)
else:
self.returncode = code
def _do_waitpid_all(self):
# Because of signal coalescing, we must keep calling waitpid() as
# long as we're able to reap a child.
while True:
try:
pid, status = os.waitpid(-1, os.WNOHANG)
debug("REAP pid={0},status={1}".format(pid, status))
except ChildProcessError:
# No more child processes exist.
if self._had_children:
debug("no child processes present")
self.events.onNoProcesses()
return
else:
self._had_children = True
if pid == 0:
# A child process is still alive.
return
returncode = ProcStatus(status)
with self._lock:
try:
callback, args = self._callbacks.pop(pid)
except KeyError:
# unknown child
if self._forks:
# It may not be registered yet.
self._zombies[pid] = returncode
continue
callback = None
if callback is None:
info(
"Caught subprocess termination from unknown pid: "
"%d -> %d", pid, returncode)
else:
callback(pid, returncode, *args)
def notify_BUSERROR(self, value):
code = ProcStatus(value)
if not self._setready():
self.process_exit(code)
else:
self.returncode = code
def returncode(self, val):
self._returncode = ProcStatus(val)
self.logdebug("{0} got explicit return code '{1}'", self.name,
self._returncode)