1 /*****************************************************************************
2 * *
3 * DH_TIME.C *
4 * *
5 * Freely redistributable and modifiable. Use at your own risk. *
6 * *
7 * Copyright 1994 The Downhill Project *
8 *
9 * Modified by Shane Caraveo for use with PHP
10 *
11 *****************************************************************************/
12
13 /* Include stuff ************************************************************ */
14
15 #include <config.w32.h>
16
17 #include "time.h"
18 #include "unistd.h"
19 #include "signal.h"
20 #include <windows.h>
21 #include <winbase.h>
22 #include <mmsystem.h>
23 #include <errno.h>
24 #include "php_win32_globals.h"
25
getfilesystemtime(struct timeval * tv)26 static zend_always_inline void getfilesystemtime(struct timeval *tv)
27 {/*{{{*/
28 FILETIME ft;
29 unsigned __int64 ff = 0;
30 ULARGE_INTEGER fft;
31
32 GetSystemTimePreciseAsFileTime(&ft);
33
34 /*
35 * Do not cast a pointer to a FILETIME structure to either a
36 * ULARGE_INTEGER* or __int64* value because it can cause alignment faults on 64-bit Windows.
37 * via http://technet.microsoft.com/en-us/library/ms724284(v=vs.85).aspx
38 */
39 fft.HighPart = ft.dwHighDateTime;
40 fft.LowPart = ft.dwLowDateTime;
41 ff = fft.QuadPart;
42
43 ff /= 10Ui64; /* convert to microseconds */
44 ff -= 11644473600000000Ui64; /* convert to unix epoch */
45
46 tv->tv_sec = (long)(ff / 1000000Ui64);
47 tv->tv_usec = (long)(ff % 1000000Ui64);
48 }/*}}}*/
49
gettimeofday(struct timeval * time_Info,struct timezone * timezone_Info)50 PHPAPI int gettimeofday(struct timeval *time_Info, struct timezone *timezone_Info)
51 {/*{{{*/
52 /* Get the time, if they want it */
53 if (time_Info != NULL) {
54 getfilesystemtime(time_Info);
55 }
56 /* Get the timezone, if they want it */
57 if (timezone_Info != NULL) {
58 _tzset();
59 timezone_Info->tz_minuteswest = _timezone;
60 timezone_Info->tz_dsttime = _daylight;
61 }
62 /* And return */
63 return 0;
64 }/*}}}*/
65
usleep(unsigned int useconds)66 PHPAPI int usleep(unsigned int useconds)
67 {/*{{{*/
68 HANDLE timer;
69 LARGE_INTEGER due;
70
71 due.QuadPart = -(10 * (__int64)useconds);
72
73 timer = CreateWaitableTimer(NULL, TRUE, NULL);
74 SetWaitableTimer(timer, &due, 0, NULL, NULL, 0);
75 WaitForSingleObject(timer, INFINITE);
76 CloseHandle(timer);
77 return 0;
78 }/*}}}*/
79
nanosleep(const struct timespec * rqtp,struct timespec * rmtp)80 PHPAPI int nanosleep( const struct timespec * rqtp, struct timespec * rmtp )
81 {/*{{{*/
82 if (rqtp->tv_nsec > 999999999) {
83 /* The time interval specified 1,000,000 or more microseconds. */
84 errno = EINVAL;
85 return -1;
86 }
87 return usleep( rqtp->tv_sec * 1000000 + rqtp->tv_nsec / 1000 );
88 }/*}}}*/
89
