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/*****************************************************************************
* *
* DH_TIME.C *
* *
* Freely redistributable and modifiable. Use at your own risk. *
* *
* Copyright 1994 The Downhill Project *
*
* Modified by Shane Caraveo for use with PHP
*
*****************************************************************************/
/* $Id$ */
/* Include stuff ************************************************************ */
#include <config.w32.h>
#include "time.h"
#include "unistd.h"
#include "signal.h"
#include <windows.h>
#include <winbase.h>
#include <mmsystem.h>
#include <errno.h>
#include "php_win32_globals.h"
typedef VOID (WINAPI *MyGetSystemTimeAsFileTime)(LPFILETIME lpSystemTimeAsFileTime);
static MyGetSystemTimeAsFileTime get_time_func(void)
{
MyGetSystemTimeAsFileTime timefunc = NULL;
HMODULE hMod = LoadLibrary("kernel32.dll");
if (hMod) {
/* Max possible resolution <1us, win8/server2012 */
timefunc = (MyGetSystemTimeAsFileTime)GetProcAddress(hMod, "GetSystemTimePreciseAsFileTime");
if(!timefunc) {
/* 100ns blocks since 01-Jan-1641 */
timefunc = (MyGetSystemTimeAsFileTime)GetProcAddress(hMod, "GetSystemTimeAsFileTime");
}
}
return timefunc;
}
int getfilesystemtime(struct timeval *tv)
{
FILETIME ft;
unsigned __int64 ff = 0;
MyGetSystemTimeAsFileTime timefunc;
timefunc = get_time_func();
if (timefunc) {
timefunc(&ft);
} else {
GetSystemTimeAsFileTime(&ft);
}
ff |= ft.dwHighDateTime;
ff <<= 32;
ff |= ft.dwLowDateTime;
ff /= 10; /* convert to microseconds */
ff -= 11644473600000000Ui64; /* convert to unix epoch */
tv->tv_sec = (long)(ff / 1000000UL);
tv->tv_usec = (long)(ff % 1000000UL);
return 0;
}
PHPAPI int gettimeofday(struct timeval *time_Info, struct timezone *timezone_Info)
{
/* Get the time, if they want it */
if (time_Info != NULL) {
getfilesystemtime(time_Info);
}
/* Get the timezone, if they want it */
if (timezone_Info != NULL) {
_tzset();
timezone_Info->tz_minuteswest = _timezone;
timezone_Info->tz_dsttime = _daylight;
}
/* And return */
return 0;
}
PHPAPI int usleep(unsigned int useconds)
{
HANDLE timer;
LARGE_INTEGER due;
due.QuadPart = -(10 * (__int64)useconds);
timer = CreateWaitableTimer(NULL, TRUE, NULL);
SetWaitableTimer(timer, &due, 0, NULL, NULL, 0);
WaitForSingleObject(timer, INFINITE);
CloseHandle(timer);
return 0;
}
PHPAPI int nanosleep( const struct timespec * rqtp, struct timespec * rmtp )
{
if (rqtp->tv_nsec > 999999999) {
/* The time interval specified 1,000,000 or more microseconds. */
errno = EINVAL;
return -1;
}
return usleep( rqtp->tv_sec * 1000000 + rqtp->tv_nsec / 1000 );
}
#if 0 /* looks pretty ropey in here */
#ifdef HAVE_SETITIMER
#ifndef THREAD_SAFE
unsigned int proftimer, virttimer, realtimer;
extern LPMSG phpmsg;
#endif
struct timer_msg {
int signal;
unsigned int threadid;
};
LPTIMECALLBACK setitimer_timeout(UINT uTimerID, UINT info, DWORD dwUser, DWORD dw1, DWORD dw2)
{
struct timer_msg *msg = (struct timer_msg *) info;
if (msg) {
raise((int) msg->signal);
PostThreadMessage(msg->threadid,
WM_NOTIFY, msg->signal, 0);
free(msg);
}
return 0;
}
PHPAPI int setitimer(int which, const struct itimerval *value, struct itimerval *ovalue)
{
int timeout = value->it_value.tv_sec * 1000 + value->it_value.tv_usec;
int repeat = TIME_ONESHOT;
/*make sure the message queue is initialized */
PeekMessage(phpmsg, NULL, WM_USER, WM_USER, PM_NOREMOVE);
if (timeout > 0) {
struct timer_msg *msg = malloc(sizeof(struct timer_msg));
msg->threadid = GetCurrentThreadId();
if (!ovalue) {
repeat = TIME_PERIODIC;
}
switch (which) {
case ITIMER_REAL:
msg->signal = SIGALRM;
realtimer = timeSetEvent(timeout, 100, (LPTIMECALLBACK) setitimer_timeout, (UINT) msg, repeat);
break;
case ITIMER_VIRT:
msg->signal = SIGVTALRM;
virttimer = timeSetEvent(timeout, 100, (LPTIMECALLBACK) setitimer_timeout, (UINT) msg, repeat);
break;
case ITIMER_PROF:
msg->signal = SIGPROF;
proftimer = timeSetEvent(timeout, 100, (LPTIMECALLBACK) setitimer_timeout, (UINT) msg, repeat);
break;
default:
errno = EINVAL;
return -1;
break;
}
} else {
switch (which) {
case ITIMER_REAL:
timeKillEvent(realtimer);
break;
case ITIMER_VIRT:
timeKillEvent(virttimer);
break;
case ITIMER_PROF:
timeKillEvent(proftimer);
break;
default:
errno = EINVAL;
return -1;
break;
}
}
return 0;
}
#endif
#endif
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