| /* |
| * Copyright 2017 Facebook, Inc. |
| * |
| * 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. |
| */ |
| |
| #pragma once |
| |
| #ifndef _WIN32 |
| #include <sys/time.h> |
| #else |
| // Someone decided this was a good place to define timeval..... |
| #include <folly/portability/Windows.h> |
| struct timezone { |
| int tz_minuteswest; |
| int tz_dsttime; |
| }; |
| |
| extern "C" { |
| // Note that this needs to explicitly be `struct timezone` due to the fact that |
| // the python 3 headers `#define timezone _timezone` on Windows. `_timezone` is |
| // a global field that contains information on the current timezone. By |
| // explicitly specifying that this is a `struct`, we ensure that it's treated as |
| // a type, regardless of what name that type actually is :) |
| // Note that this will break if `gettimeofday` ever becomes declared as anything |
| // other than `extern "C"`, as the mangled name would be dependent on whether |
| // python had been included before this header. |
| int gettimeofday(timeval* tv, struct timezone*); |
| void timeradd(timeval* a, timeval* b, timeval* res); |
| void timersub(timeval* a, timeval* b, timeval* res); |
| } |
| #endif |