# Copyright 2008-2015 Nokia Networks
# Copyright 2016- Robot Framework Foundation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from signal import setitimer, signal, SIGALRM, ITIMER_REAL
[docs]class Timeout:
def __init__(self, timeout, error):
self._timeout = timeout
self._error = error
[docs] def execute(self, runnable):
self._start_timer()
try:
return runnable()
finally:
self._stop_timer()
def _start_timer(self):
signal(SIGALRM, self._raise_timeout_error)
setitimer(ITIMER_REAL, self._timeout)
def _raise_timeout_error(self, signum, frame):
raise self._error
def _stop_timer(self):
setitimer(ITIMER_REAL, 0)