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42 lines
1.5 KiB
Diff
42 lines
1.5 KiB
Diff
Adapted from https://github.com/zcash/libsnark/pull/10
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diff --git a/depends/libff/libff/common/profiling.cpp b/depends/libff/libff/common/profiling.cpp
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index f2a1985..319149c 100755
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--- a/depends/libff/libff/common/profiling.cpp
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+++ b/depends/libff/libff/common/profiling.cpp
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@@ -27,6 +27,13 @@
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#include <proc/readproc.h>
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#endif
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+#ifdef __MACH__
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+#include <time.h>
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+#include <sys/time.h>
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+#include <mach/clock.h>
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+#include <mach/mach.h>
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+#endif
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+
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namespace libff {
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long long get_nsec_time()
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@@ -42,10 +49,20 @@ long long get_nsec_cpu_time()
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return 0;
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#else
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::timespec ts;
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+#ifdef __MACH__
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+ clock_serv_t cclock;
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+ mach_timespec_t mts;
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+ host_get_clock_service(mach_host_self(), CALENDAR_CLOCK, &cclock);
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+ clock_get_time(cclock, &mts);
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+ mach_port_deallocate(mach_task_self(), cclock);
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+ ts.tv_sec = mts.tv_sec;
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+ ts.tv_nsec = mts.tv_nsec;
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+#else
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if ( ::clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &ts) )
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throw ::std::runtime_error("clock_gettime(CLOCK_PROCESS_CPUTIME_ID) failed");
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// If we expected this to work, don't silently ignore failures, because that would hide the problem and incur an unnecessarily system-call overhead. So if we ever observe this exception, we should probably add a suitable #ifdef .
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//TODO: clock_gettime(CLOCK_PROCESS_CPUTIME_ID) is not supported by native Windows. What about Cygwin? Should we #ifdef on CLOCK_PROCESS_CPUTIME_ID or on __linux__?
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+#endif
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return ts.tv_sec * 1000000000ll + ts.tv_nsec;
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#endif
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}
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