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ec9c71129f
* Fix compile errors with MacOS - _POSIX_C_SOURCE must not be defined for num_CPU() * separate util_posix.c require changes in tools directory as well * remove unnecessary self-include
63 lines
1.6 KiB
C
63 lines
1.6 KiB
C
//-----------------------------------------------------------------------------
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// Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
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//
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// This code is licensed to you under the terms of the GNU GPL, version 2 or,
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// at your option, any later version. See the LICENSE.txt file for the text of
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// the license.
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//-----------------------------------------------------------------------------
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// utilities requiring Posix library functions
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//-----------------------------------------------------------------------------
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#if !defined(_WIN32)
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#define _POSIX_C_SOURCE 199309L // need nanosleep()
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#else
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#include <windows.h>
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#endif
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#include "util_posix.h"
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#include <stdint.h>
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#include <time.h>
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// Timer functions
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#if !defined (_WIN32)
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#include <errno.h>
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static void nsleep(uint64_t n) {
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struct timespec timeout;
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timeout.tv_sec = n/1000000000;
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timeout.tv_nsec = n%1000000000;
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while (nanosleep(&timeout, &timeout) && errno == EINTR);
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}
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void msleep(uint32_t n) {
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nsleep(1000000 * n);
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}
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#endif // _WIN32
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// a milliseconds timer for performance measurement
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uint64_t msclock() {
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#if defined(_WIN32)
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#include <sys/types.h>
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// WORKAROUND FOR MinGW (some versions - use if normal code does not compile)
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// It has no _ftime_s and needs explicit inclusion of timeb.h
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#include <sys/timeb.h>
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struct _timeb t;
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_ftime(&t);
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return 1000 * t.time + t.millitm;
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// NORMAL CODE (use _ftime_s)
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//struct _timeb t;
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//if (_ftime_s(&t)) {
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// return 0;
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//} else {
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// return 1000 * t.time + t.millitm;
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//}
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#else
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struct timespec t;
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clock_gettime(CLOCK_MONOTONIC, &t);
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return (t.tv_sec * 1000 + t.tv_nsec / 1000000);
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#endif
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}
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