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85 lines
2.6 KiB
C
85 lines
2.6 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP Version 7 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997-2017 The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Authors: Kalle Sommer Nielsen <kalle@php.net> |
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+----------------------------------------------------------------------+
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*/
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#include <php.h>
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#include <psapi.h>
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#include "getrusage.h"
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/*
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* Parts of this file is based on code from the OpenVSwitch project, that
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* is released under the Apache 2.0 license and is copyright 2014 Nicira, Inc.
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* and have been modified to work with PHP.
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*/
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static zend_always_inline void usage_to_timeval(FILETIME *ft, struct timeval *tv)
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{
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ULARGE_INTEGER time;
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time.LowPart = ft->dwLowDateTime;
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time.HighPart = ft->dwHighDateTime;
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tv->tv_sec = (zend_long) (time.QuadPart / 10000000);
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tv->tv_usec = (zend_long) ((time.QuadPart % 10000000) / 10);
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}
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PHPAPI int getrusage(int who, struct rusage *usage)
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{
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FILETIME ctime, etime, stime, utime;
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memset(usage, 0, sizeof(struct rusage));
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if (who == RUSAGE_SELF) {
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PROCESS_MEMORY_COUNTERS pmc;
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HANDLE proc = GetCurrentProcess();
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if (!GetProcessTimes(proc, &ctime, &etime, &stime, &utime)) {
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return -1;
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} else if(!GetProcessMemoryInfo(proc, &pmc, sizeof(pmc))) {
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return -1;
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}
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usage_to_timeval(&stime, &usage->ru_stime);
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usage_to_timeval(&utime, &usage->ru_utime);
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usage->ru_majflt = pmc.PageFaultCount;
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usage->ru_maxrss = pmc.PeakWorkingSetSize / 1024;
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return 0;
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} else if (who == RUSAGE_THREAD) {
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if (!GetThreadTimes(GetCurrentThread(), &ctime, &etime, &stime, &utime)) {
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return -1;
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}
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usage_to_timeval(&stime, &usage->ru_stime);
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usage_to_timeval(&utime, &usage->ru_utime);
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return 0;
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} else {
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return -1;
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}
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}
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/*
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* Local variables:
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* tab-width: 4
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* c-basic-offset: 4
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* End:
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* vim600: sw=4 ts=4 fdm=marker
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* vim<600: sw=4 ts=4
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*/
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