73 lines
2.3 KiB
C
73 lines
2.3 KiB
C
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/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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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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#include <stdint.h>
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#include <time.h>
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#include <folly/portability/Config.h>
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// OSX is a pain. The XCode 8 SDK always declares clock_gettime
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// even if the target OS version doesn't support it, so you get
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// an error at runtime because it can't resolve the symbol. We
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// solve that by pretending we have it here in the header and
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// then enable our implementation on the source side so that
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// gets linked in instead.
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#if __MACH__ && \
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(MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_12 || \
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__IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_10_0)
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#ifdef FOLLY_HAVE_CLOCK_GETTIME
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#undef FOLLY_HAVE_CLOCK_GETTIME
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#endif
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#define FOLLY_HAVE_CLOCK_GETTIME 1
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#define FOLLY_FORCE_CLOCK_GETTIME_DEFINITION 1
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#endif
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// These aren't generic implementations, so we can only declare them on
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// platforms we support.
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#if !FOLLY_HAVE_CLOCK_GETTIME && (defined(__MACH__) || defined(_WIN32))
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#define CLOCK_REALTIME 0
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#define CLOCK_MONOTONIC 1
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#define CLOCK_PROCESS_CPUTIME_ID 2
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#define CLOCK_THREAD_CPUTIME_ID 3
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typedef uint8_t clockid_t;
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extern "C" int clock_gettime(clockid_t clk_id, struct timespec* ts);
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extern "C" int clock_getres(clockid_t clk_id, struct timespec* ts);
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#endif
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#ifdef _WIN32
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#define TM_YEAR_BASE (1900)
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extern "C" {
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char* asctime_r(const tm* tm, char* buf);
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char* ctime_r(const time_t* t, char* buf);
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tm* gmtime_r(const time_t* t, tm* res);
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tm* localtime_r(const time_t* t, tm* o);
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int nanosleep(const struct timespec* request, struct timespec* remain);
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char* strptime(
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const char* __restrict buf,
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const char* __restrict fmt,
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struct tm* __restrict tm);
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time_t timelocal(tm* tm);
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time_t timegm(tm* tm);
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}
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#endif
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