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Merge "Add docs to SystemClock.h"

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Treehugger Robot 2021-02-24 00:03:15 +00:00 committed by Gerrit Code Review
commit 0d4089cb1c
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libutils/include/utils/SystemClock.h
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@ -20,11 +20,18 @@
#include <stdint.h>
#include <sys/types.h>
// See https://developer.android.com/reference/android/os/SystemClock
// to learn more about Android's timekeeping facilities.
namespace android {
// Returns milliseconds since boot, not counting time spent in deep sleep.
int64_t uptimeMillis();
// Returns nanoseconds since boot, not counting time spent in deep sleep.
int64_t uptimeNanos();
// Returns milliseconds since boot, including time spent in sleep.
int64_t elapsedRealtime();
// Returns nanoseconds since boot, including time spent in sleep.
int64_t elapsedRealtimeNano();
} // namespace android