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Try to suppress the use of clock_gettime on Darwin which apparantly
defines _POSIX_CPUTIME but doesn't support the clock_* functions. I don't test the value of _POSIX_CPUTIME because the spec merely says that if it is defined, the CPU-specific timers are available, whereas it says that _POSIX_TIMERS must be defined and defined to a value greater than zero. However, this may not work, as the POSIX spec clearly states: "If the symbolic constant _POSIX_CPUTIME is defined, then the symbolic constant _POSIX_TIMERS shall also be defined by the implementation to have the value 200112L." If this doesn't work, I'll add more hacks for Darwin. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171565 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -69,7 +69,7 @@ static std::pair<TimeValue, TimeValue> getRUsageTimes() {
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}
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TimeValue self_process::get_user_time() const {
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#ifdef _POSIX_CPUTIME
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#if _POSIX_TIMERS > 0 && defined(_POSIX_CPUTIME)
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// Try to get a high resolution CPU timer.
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struct timespec TS;
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if (::clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &TS) == 0)
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