Annotation of embedaddon/php/win32/time.c, revision 1.1
1.1 ! misho 1:
! 2: /*****************************************************************************
! 3: * *
! 4: * DH_TIME.C *
! 5: * *
! 6: * Freely redistributable and modifiable. Use at your own risk. *
! 7: * *
! 8: * Copyright 1994 The Downhill Project *
! 9: *
! 10: * Modified by Shane Caraveo for use with PHP
! 11: *
! 12: *****************************************************************************/
! 13:
! 14: /* $Id: time.c 305298 2010-11-12 18:37:02Z cataphract $ */
! 15:
! 16: /**
! 17: *
! 18: * 04-Feb-2001
! 19: * - Added patch by "Vanhanen, Reijo" <Reijo.Vanhanen@helsoft.fi>
! 20: * Improves accuracy of msec
! 21: */
! 22:
! 23: /* Include stuff ************************************************************ */
! 24:
! 25: #include <config.w32.h>
! 26:
! 27: #include "time.h"
! 28: #include "unistd.h"
! 29: #include "signal.h"
! 30: #include <windows.h>
! 31: #include <winbase.h>
! 32: #include <mmsystem.h>
! 33: #include <errno.h>
! 34: #include "php_win32_globals.h"
! 35:
! 36: int getfilesystemtime(struct timeval *time_Info)
! 37: {
! 38: FILETIME ft;
! 39: __int64 ff;
! 40:
! 41: GetSystemTimeAsFileTime(&ft); /* 100 ns blocks since 01-Jan-1641 */
! 42: /* resolution seems to be 0.01 sec */
! 43: ff = *(__int64*)(&ft);
! 44: time_Info->tv_sec = (int)(ff/(__int64)10000000-(__int64)11644473600);
! 45: time_Info->tv_usec = (int)(ff % 10000000)/10;
! 46: return 0;
! 47: }
! 48:
! 49:
! 50:
! 51: PHPAPI int gettimeofday(struct timeval *time_Info, struct timezone *timezone_Info)
! 52: {
! 53: __int64 timer;
! 54: LARGE_INTEGER li;
! 55: BOOL b;
! 56: double dt;
! 57: TSRMLS_FETCH();
! 58:
! 59: /* Get the time, if they want it */
! 60: if (time_Info != NULL) {
! 61: if (PW32G(starttime).tv_sec == 0) {
! 62: b = QueryPerformanceFrequency(&li);
! 63: if (!b) {
! 64: PW32G(starttime).tv_sec = -1;
! 65: }
! 66: else {
! 67: PW32G(freq) = li.QuadPart;
! 68: b = QueryPerformanceCounter(&li);
! 69: if (!b) {
! 70: PW32G(starttime).tv_sec = -1;
! 71: }
! 72: else {
! 73: getfilesystemtime(&PW32G(starttime));
! 74: timer = li.QuadPart;
! 75: dt = (double)timer/PW32G(freq);
! 76: PW32G(starttime).tv_usec -= (int)((dt-(int)dt)*1000000);
! 77: if (PW32G(starttime).tv_usec < 0) {
! 78: PW32G(starttime).tv_usec += 1000000;
! 79: --PW32G(starttime).tv_sec;
! 80: }
! 81: PW32G(starttime).tv_sec -= (int)dt;
! 82: }
! 83: }
! 84: }
! 85: if (PW32G(starttime).tv_sec > 0) {
! 86: b = QueryPerformanceCounter(&li);
! 87: if (!b) {
! 88: PW32G(starttime).tv_sec = -1;
! 89: }
! 90: else {
! 91: timer = li.QuadPart;
! 92: if (timer < PW32G(lasttime)) {
! 93: getfilesystemtime(time_Info);
! 94: dt = (double)timer/PW32G(freq);
! 95: PW32G(starttime) = *time_Info;
! 96: PW32G(starttime).tv_usec -= (int)((dt-(int)dt)*1000000);
! 97: if (PW32G(starttime).tv_usec < 0) {
! 98: PW32G(starttime).tv_usec += 1000000;
! 99: --PW32G(starttime).tv_sec;
! 100: }
! 101: PW32G(starttime).tv_sec -= (int)dt;
! 102: }
! 103: else {
! 104: PW32G(lasttime) = timer;
! 105: dt = (double)timer/PW32G(freq);
! 106: time_Info->tv_sec = PW32G(starttime).tv_sec + (int)dt;
! 107: time_Info->tv_usec = PW32G(starttime).tv_usec + (int)((dt-(int)dt)*1000000);
! 108: if (time_Info->tv_usec >= 1000000) {
! 109: time_Info->tv_usec -= 1000000;
! 110: ++time_Info->tv_sec;
! 111: }
! 112: }
! 113: }
! 114: }
! 115: if (PW32G(starttime).tv_sec < 0) {
! 116: getfilesystemtime(time_Info);
! 117: }
! 118:
! 119: }
! 120: /* Get the timezone, if they want it */
! 121: if (timezone_Info != NULL) {
! 122: _tzset();
! 123: timezone_Info->tz_minuteswest = _timezone;
! 124: timezone_Info->tz_dsttime = _daylight;
! 125: }
! 126: /* And return */
! 127: return 0;
! 128: }
! 129:
! 130: PHPAPI int usleep(unsigned int useconds)
! 131: {
! 132: HANDLE timer;
! 133: LARGE_INTEGER due;
! 134:
! 135: due.QuadPart = -(10 * (__int64)useconds);
! 136:
! 137: timer = CreateWaitableTimer(NULL, TRUE, NULL);
! 138: SetWaitableTimer(timer, &due, 0, NULL, NULL, 0);
! 139: WaitForSingleObject(timer, INFINITE);
! 140: CloseHandle(timer);
! 141: return 0;
! 142: }
! 143:
! 144: PHPAPI int nanosleep( const struct timespec * rqtp, struct timespec * rmtp )
! 145: {
! 146: if (rqtp->tv_nsec > 999999999) {
! 147: /* The time interval specified 1,000,000 or more microseconds. */
! 148: errno = EINVAL;
! 149: return -1;
! 150: }
! 151: return usleep( rqtp->tv_sec * 1000000 + rqtp->tv_nsec / 1000 );
! 152: }
! 153:
! 154: #if 0 /* looks pretty ropey in here */
! 155: #ifdef HAVE_SETITIMER
! 156:
! 157:
! 158: #ifndef THREAD_SAFE
! 159: unsigned int proftimer, virttimer, realtimer;
! 160: extern LPMSG phpmsg;
! 161: #endif
! 162:
! 163: struct timer_msg {
! 164: int signal;
! 165: unsigned int threadid;
! 166: };
! 167:
! 168:
! 169: LPTIMECALLBACK setitimer_timeout(UINT uTimerID, UINT info, DWORD dwUser, DWORD dw1, DWORD dw2)
! 170: {
! 171: struct timer_msg *msg = (struct timer_msg *) info;
! 172:
! 173: if (msg) {
! 174: raise((int) msg->signal);
! 175: PostThreadMessage(msg->threadid,
! 176: WM_NOTIFY, msg->signal, 0);
! 177: free(msg);
! 178: }
! 179: return 0;
! 180: }
! 181:
! 182: PHPAPI int setitimer(int which, const struct itimerval *value, struct itimerval *ovalue)
! 183: {
! 184: int timeout = value->it_value.tv_sec * 1000 + value->it_value.tv_usec;
! 185: int repeat = TIME_ONESHOT;
! 186:
! 187: /*make sure the message queue is initialized */
! 188: PeekMessage(phpmsg, NULL, WM_USER, WM_USER, PM_NOREMOVE);
! 189: if (timeout > 0) {
! 190: struct timer_msg *msg = malloc(sizeof(struct timer_msg));
! 191: msg->threadid = GetCurrentThreadId();
! 192: if (!ovalue) {
! 193: repeat = TIME_PERIODIC;
! 194: }
! 195: switch (which) {
! 196: case ITIMER_REAL:
! 197: msg->signal = SIGALRM;
! 198: realtimer = timeSetEvent(timeout, 100, (LPTIMECALLBACK) setitimer_timeout, (UINT) msg, repeat);
! 199: break;
! 200: case ITIMER_VIRT:
! 201: msg->signal = SIGVTALRM;
! 202: virttimer = timeSetEvent(timeout, 100, (LPTIMECALLBACK) setitimer_timeout, (UINT) msg, repeat);
! 203: break;
! 204: case ITIMER_PROF:
! 205: msg->signal = SIGPROF;
! 206: proftimer = timeSetEvent(timeout, 100, (LPTIMECALLBACK) setitimer_timeout, (UINT) msg, repeat);
! 207: break;
! 208: default:
! 209: errno = EINVAL;
! 210: return -1;
! 211: break;
! 212: }
! 213: } else {
! 214: switch (which) {
! 215: case ITIMER_REAL:
! 216: timeKillEvent(realtimer);
! 217: break;
! 218: case ITIMER_VIRT:
! 219: timeKillEvent(virttimer);
! 220: break;
! 221: case ITIMER_PROF:
! 222: timeKillEvent(proftimer);
! 223: break;
! 224: default:
! 225: errno = EINVAL;
! 226: return -1;
! 227: break;
! 228: }
! 229: }
! 230:
! 231:
! 232: return 0;
! 233: }
! 234:
! 235: #endif
! 236: #endif
! 237:
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