def on_fork(self, pm):
sys.stdout.flush()
sys.stderr.flush()
self.pr, self.pw = _pipe(blocking_read=False)
_pyabc.atfork_child_add(self.pr)
def on_fork(self, pm):
sys.stderr.flush()
self.stdin_read, self.stdin_write = _pipe(blocking_write=False)
_pyabc.atfork_child_add(self.stdin_write)
sys.stdout.flush()
self.stdout_read, self.stdout_write = _pipe(blocking_read=False)
_pyabc.atfork_child_add(self.stdout_read)
def on_parent(self, pid):
self.f = None
os.close(self.pw)
self.pid = pid
self.pw = None
self.loop.register(self, self.pr)
_pyabc.atfork_child_add(self.pr)
def on_child(self):
_pyabc.atfork_child_add(self.pw)
try:
res = self.f()
with os.fdopen(self.pw, "w") as fout:
pickle.dump(res, fout)
except:
traceback.print_exc(file=sys.stderr)
raise
return 0
def __init__(self, loop):
super(signal_event_handler, self).__init__(loop)
self.sig_fd_read, self.sig_fd_write = _pipe(blocking_read=False)
_pyabc.atfork_child_add(self.sig_fd_read)
_pyabc.atfork_child_add(self.sig_fd_write)
self._install_signal_handler(self.sig_fd_write)
self.registered = False
def on_parent(self, pid):
os.close(self.stdout_write)
self.stdout_write = None
os.close(self.stdin_read)
self.stdin_read = None
self.stdin_buf = collections.deque()
self.should_close_stdin = False
self.pid = pid
self.path = None
self.args = None
# self.loop.register(self, self.stdin_write)
_pyabc.atfork_child_add(self.stdin_write)
self.loop.register(self, self.stdout_read)
_pyabc.atfork_child_add(self.stdout_read)
self.on_start()