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9f15c6b752
* Update file headers, copyright date * Rename files and hopefully fix nimble * Forgot to change path in tests * Update readme
53 lines
1.4 KiB
Nim
53 lines
1.4 KiB
Nim
#
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# Chronos Timer
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#
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# (c) Copyright 2017 Eugene Kabanov
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# (c) Copyright 2018-Present Status Research & Development GmbH
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#
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# Licensed under either of
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# Apache License, version 2.0, (LICENSE-APACHEv2)
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# MIT license (LICENSE-MIT)
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## This module implements cross-platform system timer with
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## milliseconds resolution.
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when defined(windows):
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from winlean import DWORD, getSystemTimeAsFileTime, FILETIME
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proc fastEpochTime*(): uint64 {.inline.} =
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var t: FILETIME
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getSystemTimeAsFileTime(t)
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result = ((uint64(t.dwHighDateTime) shl 32) or
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uint64(t.dwLowDateTime)) div 10_000
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elif defined(macosx):
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from posix import Timeval
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proc posix_gettimeofday(tp: var Timeval, unused: pointer = nil) {.
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importc: "gettimeofday", header: "<sys/time.h>".}
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proc fastEpochTime*(): uint64 {.inline.} =
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var t: Timeval
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posix_gettimeofday(t)
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result = (uint64(t.tv_sec) * 1_000 + uint64(t.tv_usec) div 1_000)
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elif defined(posix):
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from posix import clock_gettime, Timespec, CLOCK_REALTIME
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proc fastEpochTime*(): uint64 {.inline.} =
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var t: Timespec
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discard clock_gettime(CLOCK_REALTIME, t)
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result = (uint64(t.tv_sec) * 1_000 + uint64(t.tv_nsec) div 1_000_000)
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elif defined(nimdoc):
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proc fastEpochTime*(): uint64
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## Returns system's timer in milliseconds.
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else:
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error("Sorry, your operation system is not yet supported!")
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