github.com/grumpyhome/grumpy@v0.3.1-0.20201208125205-7b775405bdf1/grumpy-runtime-src/lib/_syscall.py (about) 1 # Copyright 2017 Google Inc. All Rights Reserved. 2 # 3 # Licensed under the Apache License, Version 2.0 (the "License"); 4 # you may not use this file except in compliance with the License. 5 # You may obtain a copy of the License at 6 # 7 # http://www.apache.org/licenses/LICENSE-2.0 8 # 9 # Unless required by applicable law or agreed to in writing, software 10 # distributed under the License is distributed on an "AS IS" BASIS, 11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 # See the License for the specific language governing permissions and 13 # limitations under the License. 14 15 from '__go__/syscall' import EINTR 16 17 18 def invoke(func, *args): 19 while True: 20 result = func(*args) 21 if isinstance(result, tuple): 22 err = result[-1] 23 result = result[:-1] 24 else: 25 err = result 26 result = () 27 if err: 28 if err == EINTR: 29 continue 30 raise OSError(err.Error()) 31 return result