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24 lines
567 B
Plaintext
24 lines
567 B
Plaintext
module std::time::os @if(env::DARWIN);
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struct Darwin_mach_timebase_info
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{
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uint numer;
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uint denom;
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}
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alias Darwin_mach_timebase_info_t = Darwin_mach_timebase_info;
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alias Darwin_mach_timebase_info_data_t = Darwin_mach_timebase_info;
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extern fn void mach_timebase_info(Darwin_mach_timebase_info_data_t* timebase);
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extern fn ulong mach_absolute_time();
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fn Clock native_clock()
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{
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static Darwin_mach_timebase_info_data_t timebase;
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if (!timebase.denom)
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{
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mach_timebase_info(&timebase);
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}
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return (Clock)(mach_absolute_time() * timebase.numer / timebase.denom);
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}
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