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24 lines
589 B
24 lines
589 B
#include "absl/time/clock.h" |
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#include <sys/time.h> |
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#include <ctime> |
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#include <cstdint> |
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#include "absl/base/internal/raw_logging.h" |
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namespace absl { |
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ABSL_NAMESPACE_BEGIN |
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namespace time_internal { |
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static int64_t GetCurrentTimeNanosFromSystem() { |
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const int64_t kNanosPerSecond = 1000 * 1000 * 1000; |
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struct timespec ts; |
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ABSL_RAW_CHECK(clock_gettime(CLOCK_REALTIME, &ts) == 0, |
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"Failed to read real-time clock."); |
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return (int64_t{ts.tv_sec} * kNanosPerSecond + |
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int64_t{ts.tv_nsec}); |
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} |
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} // namespace time_internal |
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ABSL_NAMESPACE_END |
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} // namespace absl
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