2 * Copyright 2017 Facebook, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
22 // Someone decided this was a good place to define timeval.....
23 #include <folly/portability/Windows.h>
30 // Note that this needs to explicitly be `struct timezone` due to the fact that
31 // the python 3 headers `#define timezone _timezone` on Windows. `_timezone` is
32 // a global field that contains information on the current timezone. By
33 // explicitly specifying that this is a `struct`, we ensure that it's treated as
34 // a type, regardless of what name that type actually is :)
35 // Note that this will break if `gettimeofday` ever becomes declared as anything
36 // other than `extern "C"`, as the mangled name would be dependent on whether
37 // python had been included before this header.
38 int gettimeofday(timeval* tv, struct timezone*);
39 void timeradd(timeval* a, timeval* b, timeval* res);
40 void timersub(timeval* a, timeval* b, timeval* res);