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std.time: add microTimestamp() (#13327)

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Eric Milliken 2022-11-02 22:20:19 +00:00 • committed by GitHub
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lib/std/time.zig
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@ -73,6 +73,15 @@ pub fn milliTimestamp() i64 {
return @intCast(i64, @divFloor(nanoTimestamp(), ns_per_ms)); return @intCast(i64, @divFloor(nanoTimestamp(), ns_per_ms));
} }
/// Get a calendar timestamp, in microseconds, relative to UTC 1970-01-01.
/// Precision of timing depends on the hardware and operating system.
/// The return value is signed because it is possible to have a date that is
/// before the epoch.
/// See `std.os.clock_gettime` for a POSIX timestamp.
pub fn microTimestamp() i64 {
return @intCast(i64, @divFloor(nanoTimestamp(), ns_per_us));
}
/// Get a calendar timestamp, in nanoseconds, relative to UTC 1970-01-01. /// Get a calendar timestamp, in nanoseconds, relative to UTC 1970-01-01.
/// Precision of timing depends on the hardware and operating system. /// Precision of timing depends on the hardware and operating system.
/// On Windows this has a maximum granularity of 100 nanoseconds. /// On Windows this has a maximum granularity of 100 nanoseconds.