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- /*
- * Copyright 2016-present 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
- #include <stdint.h>
- #include <time.h>
- #include <folly/portability/Config.h>
- // OSX is a pain. The XCode 8 SDK always declares clock_gettime
- // even if the target OS version doesn't support it, so you get
- // an error at runtime because it can't resolve the symbol. We
- // solve that by pretending we have it here in the header and
- // then enable our implementation on the source side so that
- // gets linked in instead.
- #if __MACH__ && \
- (MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_12 || \
- __IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_10_0)
- #ifdef FOLLY_HAVE_CLOCK_GETTIME
- #undef FOLLY_HAVE_CLOCK_GETTIME
- #endif
- #define FOLLY_HAVE_CLOCK_GETTIME 1
- #define FOLLY_FORCE_CLOCK_GETTIME_DEFINITION 1
- #endif
- // These aren't generic implementations, so we can only declare them on
- // platforms we support.
- #if !FOLLY_HAVE_CLOCK_GETTIME && (defined(__MACH__) || defined(_WIN32))
- #define CLOCK_REALTIME 0
- #define CLOCK_MONOTONIC 1
- #define CLOCK_PROCESS_CPUTIME_ID 2
- #define CLOCK_THREAD_CPUTIME_ID 3
- typedef uint8_t clockid_t;
- extern "C" int clock_gettime(clockid_t clk_id, struct timespec* ts);
- extern "C" int clock_getres(clockid_t clk_id, struct timespec* ts);
- #endif
- #ifdef _WIN32
- #define TM_YEAR_BASE (1900)
- extern "C" {
- char* asctime_r(const tm* tm, char* buf);
- char* ctime_r(const time_t* t, char* buf);
- tm* gmtime_r(const time_t* t, tm* res);
- tm* localtime_r(const time_t* t, tm* o);
- int nanosleep(const struct timespec* request, struct timespec* remain);
- char* strptime(
- const char* __restrict buf,
- const char* __restrict fmt,
- struct tm* __restrict tm);
- }
- #endif
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