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