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AK: Add Time::now_<clock_id> functions for obtaining the current time

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In the quest of removing as timespec / timeval usage in the Userland as
possible, we need a way to conveniently retrieving the current clock
time from the kernel and storing it in `AK::Time` format.
This commit is contained in:
Brian Gianforcaro 2021-08-14 14:40:38 -07:00 • committed by Andreas Kling
parent 188e5f018f
commit dae17ce7e3
2 changed files with 39 additions and 0 deletions
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7
AK/Time.h
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@ -143,6 +143,13 @@ public:
constexpr static Time zero() { return Time(0, 0); };
constexpr static Time max() { return Time(0x7fff'ffff'ffff'ffffLL, 999'999'999); };
#ifndef KERNEL
[[nodiscard]] static Time now_realtime();
[[nodiscard]] static Time now_realtime_coarse();
[[nodiscard]] static Time now_monotonic();
[[nodiscard]] static Time now_monotonic_coarse();
#endif
// Truncates towards zero (2.8s to 2s, -2.8s to -2s).
i64 to_truncated_seconds() const;
i64 to_truncated_milliseconds() const;