1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 7 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1997-2016 The PHP Group |
6 +----------------------------------------------------------------------+
7 | This source file is subject to version 3.01 of the PHP license, |
8 | that is bundled with this package in the file LICENSE, and is |
9 | available through the world-wide-web at the following url: |
10 | http://www.php.net/license/3_01.txt |
11 | If you did not receive a copy of the PHP license and are unable to |
12 | obtain it through the world-wide-web, please send a note to |
13 | license@php.net so we can mail you a copy immediately. |
14 +----------------------------------------------------------------------+
15 | Authors: Kalle Sommer Nielsen <kalle@php.net> |
16 +----------------------------------------------------------------------+
17 */
18
19 #include <php.h>
20 #include <psapi.h>
21 #include "getrusage.h"
22
23 /*
24 * Parts of this file is based on code from the OpenVSwitch project, that
25 * is released under the Apache 2.0 license and is copyright 2014 Nicira, Inc.
26 * and have been modified to work with PHP.
27 */
28
29 static void usage_to_timeval(FILETIME *ft, struct timeval *tv)
30 {
31 ULARGE_INTEGER time;
32
33 time.LowPart = ft->dwLowDateTime;
34 time.HighPart = ft->dwHighDateTime;
35
36 tv->tv_sec = (zend_long) (time.QuadPart / 10000000);
37 tv->tv_usec = (zend_long) ((time.QuadPart % 10000000) / 10);
38 }
39
40 PHPAPI int getrusage(int who, struct rusage *usage)
41 {
42 FILETIME ctime, etime, stime, utime;
43
44 memset(usage, 0, sizeof(struct rusage));
45
46 if (who == RUSAGE_SELF) {
47 PROCESS_MEMORY_COUNTERS pmc;
48 HANDLE proc = GetCurrentProcess();
49
50 if (!GetProcessTimes(proc, &ctime, &etime, &stime, &utime)) {
51 return -1;
52 } else if(!GetProcessMemoryInfo(proc, &pmc, sizeof(pmc))) {
53 return -1;
54 }
55
56 usage_to_timeval(&stime, &usage->ru_stime);
57 usage_to_timeval(&utime, &usage->ru_utime);
58
59 usage->ru_majflt = pmc.PageFaultCount;
60 usage->ru_maxrss = pmc.PeakWorkingSetSize / 1024;
61
62 return 0;
63 } else if (who == RUSAGE_THREAD) {
64 if (!GetThreadTimes(GetCurrentThread(), &ctime, &etime, &stime, &utime)) {
65 return -1;
66 }
67
68 usage_to_timeval(&stime, &usage->ru_stime);
69 usage_to_timeval(&utime, &usage->ru_utime);
70
71 return 0;
72 } else {
73 return -1;
74 }
75 }
76
77 /*
78 * Local variables:
79 * tab-width: 4
80 * c-basic-offset: 4
81 * End:
82 * vim600: sw=4 ts=4 fdm=marker
83 * vim<600: sw=4 ts=4
84 */