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50 lines
1.3 KiB
C++
50 lines
1.3 KiB
C++
#pragma once
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/** Allows to build on MacOS X
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*
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* Highly experimental, not recommended, disabled by default.
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*
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* To use, include this file with -include compiler parameter.
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*/
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#include <time.h>
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#ifdef __APPLE__
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# if !defined(APPLE_HAVE_CLOCK_GETTIME)
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# include <AvailabilityMacros.h>
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# if !defined(MAC_OS_X_VERSION_10_12)
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# define MAC_OS_X_VERSION_10_12 101200
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# endif
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# define APPLE_HAVE_CLOCK_GETTIME MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_12
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# endif
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# if !APPLE_HAVE_CLOCK_GETTIME || !defined(CLOCK_MONOTONIC)
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/**
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* MacOS X doesn't support different clock sources
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*
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* Mapping all of them to 0, except for
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* CLOCK_THREAD_CPUTIME_ID, because there is a way
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* to implement it using in-kernel stats about threads
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*/
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# if !defined(CLOCK_MONOTONIC)
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# define CLOCK_MONOTONIC 0
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# endif
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# if !defined(CLOCK_REALTIME)
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# define CLOCK_REALTIME CLOCK_MONOTONIC
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# endif
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# if !defined(CLOCK_THREAD_CPUTIME_ID)
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# define CLOCK_THREAD_CPUTIME_ID 3
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# endif
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typedef int clockid_t;
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int clock_gettime(int clk_id, struct timespec* t);
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# else
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# endif
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# if !defined(CLOCK_MONOTONIC_COARSE)
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# define CLOCK_MONOTONIC_COARSE CLOCK_MONOTONIC
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# endif
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#endif
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