diff options
Diffstat (limited to 'libartbase/base/time_utils.h')
| -rw-r--r-- | libartbase/base/time_utils.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/libartbase/base/time_utils.h b/libartbase/base/time_utils.h index dd73b1c951..ddabb1289f 100644 --- a/libartbase/base/time_utils.h +++ b/libartbase/base/time_utils.h @@ -26,6 +26,8 @@ #include <cstdint> #include <string> +#include "android-base/logging.h" + namespace art { enum TimeUnit { @@ -123,6 +125,13 @@ void NanoSleep(uint64_t ns); // time corresponding to the indicated clock value plus the supplied offset. void InitTimeSpec(bool absolute, int clock, int64_t ms, int32_t ns, timespec* ts); +// Converts `timespec` to nanoseconds. The return value can be negative, which should be interpreted +// as a time before the epoch. +static constexpr int64_t TimeSpecToNs(timespec ts) { + DCHECK_GE(ts.tv_nsec, 0); // According to POSIX. + return static_cast<int64_t>(ts.tv_sec) * INT64_C(1000000000) + ts.tv_nsec; +} + } // namespace art #endif // ART_LIBARTBASE_BASE_TIME_UTILS_H_ |