43 lines
1.5 KiB
C
43 lines
1.5 KiB
C
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/*
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* Copyright 2016-present Facebook, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#ifndef _WIN32
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#include <sys/time.h>
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#else
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// Someone decided this was a good place to define timeval.....
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#include <folly/portability/Windows.h>
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struct timezone {
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int tz_minuteswest;
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int tz_dsttime;
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};
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extern "C" {
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// Note that this needs to explicitly be `struct timezone` due to the fact that
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// the python 3 headers `#define timezone _timezone` on Windows. `_timezone` is
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// a global field that contains information on the current timezone. By
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// explicitly specifying that this is a `struct`, we ensure that it's treated as
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// a type, regardless of what name that type actually is :)
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// Note that this will break if `gettimeofday` ever becomes declared as anything
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// other than `extern "C"`, as the mangled name would be dependent on whether
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// python had been included before this header.
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int gettimeofday(timeval* tv, struct timezone*);
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void timeradd(timeval* a, timeval* b, timeval* res);
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void timersub(timeval* a, timeval* b, timeval* res);
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}
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#endif
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