Source file src/crypto/internal/fips140deps/time/time_windows.go

     1  // Copyright 2025 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package time
     6  
     7  import "internal/syscall/windows"
     8  
     9  // HighPrecisionNow returns a high-resolution timestamp suitable for measuring
    10  // small time differences. It uses Windows' QueryPerformanceCounter.
    11  //
    12  // Its unit, epoch, and resolution are unspecified, and may change, but can be
    13  // assumed to be sufficiently precise to measure time differences on the order
    14  // of tens to hundreds of nanoseconds.
    15  func HighPrecisionNow() int64 {
    16  	return windows.QueryPerformanceCounter()
    17  }
    18  

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