From: Guenter B. <gu...@us...> - 2003-04-20 16:42:12
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Update of /cvsroot/xine/xine-lib/win32/contrib/timer In directory sc8-pr-cvs1:/tmp/cvs-serv7171/win32/contrib/timer Added Files: timer.c timer.h Log Message: importing win32 contrib sources and msvc build environment --- NEW FILE: timer.c --- /* * Copyright (C) 2000-2001 the xine project * * This file is part of xine, a unix video player. * * xine is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * xine is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * * WIN32 PORT, * by Matthew Grooms <el...@al...> * * timer.c - Missing unix timer functions * */ #include "stdio.h" #include "timer.h" /* this function returns somewhat accurate unix time with the data accurate to the first call to get of day and the resolution accurate to ~ miliseconds. */ static time_t startseconds = 0; int gettimeofday( struct timeval *tp, struct timezone *tzp ) { MMTIME mmtime; // clock() returns time in miliseconds if( !startseconds ) startseconds = time( 0 ); timeGetSystemTime( &mmtime, sizeof( mmtime ) ); tp->tv_sec = ( mmtime.u.ms / 1000 ) + startseconds; tp->tv_usec = ( mmtime.u.ms % 1000 ) * 1000; return 0; }; /* These functions are designed to mimick a subset of itimer for use with the alarm signal on win32. This is just enough for xine to work. */ static HANDLE sigalarm = 0; int setitimer( int which, struct itimerval * value, struct itimerval *ovalue ) { long int miliseconds; if( !sigalarm ) sigalarm = CreateEvent( 0, FALSE, TRUE, "SIGALARM" ); miliseconds = value->it_value.tv_usec / 1000; timeSetEvent( miliseconds, 0, ( LPTIMECALLBACK ) sigalarm, 0, TIME_PERIODIC | TIME_CALLBACK_EVENT_PULSE ); return 0; } /* Wait for sigalarm to wake the thread */ int pause( void ) { WaitForSingleObject( sigalarm, INFINITE ); return 0; } int nanosleep( const struct timespec * rqtp, struct timespec * rmtp ) { Sleep( rqtp->tv_nsec / 1000000 ); return 0; } unsigned int sleep( unsigned int seconds ) { Sleep( seconds * 1000 ); return 0; } --- NEW FILE: timer.h --- #include <time.h> #include <winsock.h> #include "pthread.h" #ifndef _ITIMER_ #define _ITIMER_ #define ITIMER_REAL 0 #define ITIMER_VIRTUAL 1 // time reference // ---------------------------------- // // 1,000 milliseconds / sec // 1,000,000 microseconds / sec // 1,000,000,000 nanoseconds / sec // // timeval.time_sec = seconds // timeval.time_usec = microseconds struct itimerval { struct timeval it_interval; /* timer interval */ struct timeval it_value; /* current value */ }; struct timezone { int tz_minuteswest; /* minutes west of Greenwich */ int tz_dsttime; /* type of dst correction */ }; int gettimeofday( struct timeval *tp, struct timezone *tzp ); int setitimer( int which, struct itimerval * value, struct itimerval *ovalue ); int pause( void ); unsigned int sleep( unsigned int seconds ); int nanosleep( const struct timespec *rqtp, struct timespec *rmtp ); #endif |