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131 lines
3.5 KiB
C
131 lines
3.5 KiB
C
/*****************************************************************************
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* *
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* DH_TIME.C *
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* *
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* Freely redistributable and modifiable. Use at your own risk. *
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* *
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* Copyright 1994 The Downhill Project *
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*
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* Modified by Shane Caraveo for use with PHP
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*
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*****************************************************************************/
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/* $Id$ */
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/* Include stuff ************************************************************ */
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#include <config.w32.h>
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#include "time.h"
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#include "unistd.h"
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#include "signal.h"
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#include <windows.h>
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#include <winbase.h>
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#include <mmsystem.h>
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#include <errno.h>
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#include "php_win32_globals.h"
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typedef VOID (WINAPI *MyGetSystemTimeAsFileTime)(LPFILETIME lpSystemTimeAsFileTime);
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static MyGetSystemTimeAsFileTime timefunc = NULL;
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#ifdef PHP_EXPORTS
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static zend_always_inline MyGetSystemTimeAsFileTime get_time_func(void)
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{/*{{{*/
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MyGetSystemTimeAsFileTime timefunc = NULL;
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HMODULE hMod = GetModuleHandle("kernel32.dll");
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if (hMod) {
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/* Max possible resolution <1us, win8/server2012 */
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timefunc = (MyGetSystemTimeAsFileTime)GetProcAddress(hMod, "GetSystemTimePreciseAsFileTime");
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}
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if(!timefunc) {
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/* 100ns blocks since 01-Jan-1641 */
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timefunc = (MyGetSystemTimeAsFileTime) GetSystemTimeAsFileTime;
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}
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return timefunc;
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}/*}}}*/
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void php_win32_init_gettimeofday(void)
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{/*{{{*/
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timefunc = get_time_func();
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}/*}}}*/
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#endif
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static zend_always_inline int getfilesystemtime(struct timeval *tv)
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{/*{{{*/
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FILETIME ft;
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unsigned __int64 ff = 0;
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ULARGE_INTEGER fft;
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timefunc(&ft);
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/*
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* Do not cast a pointer to a FILETIME structure to either a
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* ULARGE_INTEGER* or __int64* value because it can cause alignment faults on 64-bit Windows.
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* via http://technet.microsoft.com/en-us/library/ms724284(v=vs.85).aspx
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*/
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fft.HighPart = ft.dwHighDateTime;
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fft.LowPart = ft.dwLowDateTime;
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ff = fft.QuadPart;
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ff /= 10Ui64; /* convert to microseconds */
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ff -= 11644473600000000Ui64; /* convert to unix epoch */
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tv->tv_sec = (long)(ff / 1000000Ui64);
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tv->tv_usec = (long)(ff % 1000000Ui64);
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return 0;
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}/*}}}*/
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PHPAPI int gettimeofday(struct timeval *time_Info, struct timezone *timezone_Info)
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{/*{{{*/
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/* Get the time, if they want it */
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if (time_Info != NULL) {
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getfilesystemtime(time_Info);
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}
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/* Get the timezone, if they want it */
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if (timezone_Info != NULL) {
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_tzset();
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timezone_Info->tz_minuteswest = _timezone;
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timezone_Info->tz_dsttime = _daylight;
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}
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/* And return */
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return 0;
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}/*}}}*/
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PHPAPI int usleep(unsigned int useconds)
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{/*{{{*/
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HANDLE timer;
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LARGE_INTEGER due;
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due.QuadPart = -(10 * (__int64)useconds);
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timer = CreateWaitableTimer(NULL, TRUE, NULL);
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SetWaitableTimer(timer, &due, 0, NULL, NULL, 0);
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WaitForSingleObject(timer, INFINITE);
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CloseHandle(timer);
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return 0;
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}/*}}}*/
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PHPAPI int nanosleep( const struct timespec * rqtp, struct timespec * rmtp )
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{/*{{{*/
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if (rqtp->tv_nsec > 999999999) {
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/* The time interval specified 1,000,000 or more microseconds. */
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errno = EINVAL;
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return -1;
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}
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return usleep( rqtp->tv_sec * 1000000 + rqtp->tv_nsec / 1000 );
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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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