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Monotonic clock #16

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Monotonic clock #16

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8b12ae7
Use CLOCK_MONOTONIC instead of CLOCK_REALTIME
baruch Sep 4, 2014
483c55e
Update test_nanoseconds to monotonic clock test
baruch Sep 5, 2014
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7 changes: 6 additions & 1 deletion libcurvecpr/lib/util.c
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Original file line number Diff line number Diff line change
Expand Up @@ -61,7 +61,12 @@ long long curvecpr_util_nanoseconds (void)

if (clock_get_time(cclock, &t) != KERN_SUCCESS)
return -1;
#else
#elif defined(CLOCK_MONOTONIC)
struct timespec t;

if (clock_gettime(CLOCK_MONOTONIC, &t) != 0)
return -1;
#elif defined(CLOCK_REALTIME)
struct timespec t;

if (clock_gettime(CLOCK_REALTIME, &t) != 0)
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8 changes: 4 additions & 4 deletions libcurvecpr/test/util/test_nanoseconds.c
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Expand Up @@ -8,14 +8,14 @@ START_TEST (test_nanoseconds)
long long nanoseconds = curvecpr_util_nanoseconds();

fail_if(nanoseconds < 0);
fail_unless(nanoseconds > 1374047000000000000LL);
fail_unless(nanoseconds > 0);

/* On OS X, we may cache the kernel clock reference. Make sure it still
works. */
nanoseconds = curvecpr_util_nanoseconds();
long long nanoseconds1 = curvecpr_util_nanoseconds();

fail_if(nanoseconds < 0);
fail_unless(nanoseconds > 1374047000000000000LL);
fail_if(nanoseconds1 < 0);
fail_unless(nanoseconds1 > nanoseconds);
}
END_TEST

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