win32/newfns.c

   1 /*
   2  * Win32 miscellaneous functions
   3  *
   4  * Copyright 1995 Thomas Sandford (tdgsandf@prds-grn.demon.co.uk)
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 /* Misc. new functions - they should be moved into appropriate files
  22 at a later date. */
  23
  24 #include "config.h"
  25 #include "wine/port.h"
  26
  27 #include <stdio.h>
  28 #include <string.h>
  29 #ifdef HAVE_SYS_TIME_H
  30 # include <sys/time.h>
  31 #endif
  32 #ifdef HAVE_UNISTD_H
  33 # include <unistd.h>
  34 #endif
  35 #include "windef.h"
  36 #include "winbase.h"
  37 #include "winnls.h"
  38 #include "winerror.h"
  39 #include "wine/debug.h"
  40
  41 WINE_DEFAULT_DEBUG_CHANNEL(win32);
  42 WINE_DECLARE_DEBUG_CHANNEL(debug);
  43
  44
  45 static BOOL     QUERYPERF_Initialized           = 0;
  46 #if defined(__i386__) && defined(__GNUC__)
  47 static BOOL     QUERYPERF_RDTSC_Use             = 0;
  48 static LONGLONG QUERYPERF_RDTSC_Frequency       = 0;
  49 #endif
  50
  51 static void QUERYPERF_Init(void)
  52 {
  53 #if defined(__i386__) && defined(__GNUC__)
  54     /* We are running on i386 and compiling on GCC.
  55      * Do a runtime check to see if we have the rdtsc instruction available
  56      */
  57     FILE                *fp;
  58     char                line[256], *s, *value;
  59     double              cpuMHz;
  60
  61     TRACE("()\n");
  62
  63     if (IsProcessorFeaturePresent( PF_RDTSC_INSTRUCTION_AVAILABLE ))
  64     {
  65         /* rdtsc is available.  However, in order to use it
  66          * we also need to be able to get the processor's
  67          * speed.  Currently we do this by reading /proc/cpuinfo
  68          * which makes it Linux-specific.
  69          */
  70
  71         TRACE("rdtsc available\n");
  72
  73         fp = fopen( "/proc/cpuinfo", "r" );
  74         if (fp)
  75         {
  76             while(fgets( line, sizeof(line), fp ))
  77             {
  78                 /* NOTE: the ':' is the only character we can rely on */
  79                 if (!(value = strchr( line, ':' )))
  80                     continue;
  81
  82                 /* terminate the valuename */
  83                 *value++ = '\0';
  84                 /* skip any leading spaces */
  85                 while (*value == ' ') value++;
  86                 if ((s = strchr( value, '\n' )))
  87                     *s = '\0';
  88
  89                 if (!strncasecmp( line, "cpu MHz", strlen( "cpu MHz" ) ))
  90                 {
  91                     if (sscanf( value, "%lf", &cpuMHz ) == 1)
  92                     {
  93                         QUERYPERF_RDTSC_Frequency = (LONGLONG)(cpuMHz * 1000000.0);
  94                         QUERYPERF_RDTSC_Use = TRUE;
  95                         TRACE("using frequency: %lldHz\n", QUERYPERF_RDTSC_Frequency);
  96                         break;
  97                     }
  98                 }
  99             }
 100             fclose(fp);
 101         }
 102     }
 103 #endif
 104     QUERYPERF_Initialized = TRUE;
 105 }
 106
 107
 108 /****************************************************************************
 109  *              QueryPerformanceCounter (KERNEL32.@)
 110  */
 111 BOOL WINAPI QueryPerformanceCounter(PLARGE_INTEGER counter)
 112 {
 113     struct timeval tv;
 114
 115     if (!QUERYPERF_Initialized)
 116         QUERYPERF_Init();
 117
 118 #if defined(__i386__) && defined(__GNUC__)
 119     if (QUERYPERF_RDTSC_Use)
 120     {
 121         /* i586 optimized version */
 122         __asm__ __volatile__ ( "rdtsc"
 123                                : "=a" (counter->s.LowPart), "=d" (counter->s.HighPart) );
 124         return TRUE;
 125     }
 126     /* fall back to generic routine (ie, for i386, i486) */
 127 #endif
 128
 129     /* generic routine */
 130     gettimeofday( &tv, NULL );
 131     counter->QuadPart = (LONGLONG)tv.tv_usec + (LONGLONG)tv.tv_sec * 1000000;
 132     return TRUE;
 133 }
 134
 135 /****************************************************************************
 136  *              QueryPerformanceFrequency (KERNEL32.@)
 137  */
 138 BOOL WINAPI QueryPerformanceFrequency(PLARGE_INTEGER frequency)
 139 {
 140     if (!QUERYPERF_Initialized)
 141         QUERYPERF_Init();
 142
 143 #if defined(__i386__) && defined(__GNUC__)
 144     if (QUERYPERF_RDTSC_Use)
 145     {
 146         frequency->QuadPart = QUERYPERF_RDTSC_Frequency;
 147         return TRUE;
 148     }
 149 #endif
 150
 151     frequency->s.LowPart        = 1000000;
 152     frequency->s.HighPart       = 0;
 153     return TRUE;
 154 }
 155
 156 /****************************************************************************
 157  *              FlushInstructionCache (KERNEL32.@)
 158  */
 159 BOOL WINAPI FlushInstructionCache(HANDLE hProcess, LPCVOID lpBaseAddress, SIZE_T dwSize)
 160 {
 161     if (GetVersion() & 0x80000000) return TRUE; /* not NT, always TRUE */
 162     FIXME_(debug)("(0x%08lx,%p,0x%08lx): stub\n",(DWORD)hProcess, lpBaseAddress, dwSize);
 163     return TRUE;
 164 }
 165
 166 /***********************************************************************
 167  *           GetSystemPowerStatus      (KERNEL32.@)
 168  */
 169 BOOL WINAPI GetSystemPowerStatus(LPSYSTEM_POWER_STATUS sps_ptr)
 170 {
 171     return FALSE;   /* no power management support */
 172 }
 173
 174
 175 /***********************************************************************
 176  *           SetSystemPowerState      (KERNEL32.@)
 177  */
 178 BOOL WINAPI SetSystemPowerState(BOOL suspend_or_hibernate,
 179                                   BOOL force_flag)
 180 {
 181     /* suspend_or_hibernate flag: w95 does not support
 182        this feature anyway */
 183
 184     for ( ;0; )
 185     {
 186         if ( force_flag )
 187         {
 188         }
 189         else
 190         {
 191         }
 192     }
 193     return TRUE;
 194 }
 195
 196
 197 /******************************************************************************
 198  * CreateMailslotA [KERNEL32.@]
 199  */
 200 HANDLE WINAPI CreateMailslotA( LPCSTR lpName, DWORD nMaxMessageSize,
 201                                    DWORD lReadTimeout, LPSECURITY_ATTRIBUTES sa)
 202 {
 203     FIXME("(%s,%ld,%ld,%p): stub\n", debugstr_a(lpName),
 204           nMaxMessageSize, lReadTimeout, sa);
 205     return (HANDLE)1;
 206 }
 207
 208
 209 /******************************************************************************
 210  * CreateMailslotW [KERNEL32.@]  Creates a mailslot with specified name
 211  *
 212  * PARAMS
 213  *    lpName          [I] Pointer to string for mailslot name
 214  *    nMaxMessageSize [I] Maximum message size
 215  *    lReadTimeout    [I] Milliseconds before read time-out
 216  *    sa              [I] Pointer to security structure
 217  *
 218  * RETURNS
 219  *    Success: Handle to mailslot
 220  *    Failure: INVALID_HANDLE_VALUE
 221  */
 222 HANDLE WINAPI CreateMailslotW( LPCWSTR lpName, DWORD nMaxMessageSize,
 223                                    DWORD lReadTimeout, LPSECURITY_ATTRIBUTES sa )
 224 {
 225     FIXME("(%s,%ld,%ld,%p): stub\n", debugstr_w(lpName),
 226           nMaxMessageSize, lReadTimeout, sa);
 227     return (HANDLE)1;
 228 }
 229
 230
 231 /******************************************************************************
 232  * GetMailslotInfo [KERNEL32.@]  Retrieves info about specified mailslot
 233  *
 234  * PARAMS
 235  *    hMailslot        [I] Mailslot handle
 236  *    lpMaxMessageSize [O] Address of maximum message size
 237  *    lpNextSize       [O] Address of size of next message
 238  *    lpMessageCount   [O] Address of number of messages
 239  *    lpReadTimeout    [O] Address of read time-out
 240  *
 241  * RETURNS
 242  *    Success: TRUE
 243  *    Failure: FALSE
 244  */
 245 BOOL WINAPI GetMailslotInfo( HANDLE hMailslot, LPDWORD lpMaxMessageSize,
 246                                LPDWORD lpNextSize, LPDWORD lpMessageCount,
 247                                LPDWORD lpReadTimeout )
 248 {
 249     FIXME("(%p): stub\n",hMailslot);
 250     if (lpMaxMessageSize) *lpMaxMessageSize = (DWORD)NULL;
 251     if (lpNextSize) *lpNextSize = (DWORD)NULL;
 252     if (lpMessageCount) *lpMessageCount = (DWORD)NULL;
 253     if (lpReadTimeout) *lpReadTimeout = (DWORD)NULL;
 254     return TRUE;
 255 }
 256
 257
 258 /******************************************************************************
 259  * GetCompressedFileSizeA [KERNEL32.@]
 260  *
 261  * NOTES
 262  *    This should call the W function below
 263  */
 264 DWORD WINAPI GetCompressedFileSizeA(
 265     LPCSTR lpFileName,
 266     LPDWORD lpFileSizeHigh)
 267 {
 268     FIXME("(...): stub\n");
 269     return 0xffffffff;
 270 }
 271
 272
 273 /******************************************************************************
 274  * GetCompressedFileSizeW [KERNEL32.@]
 275  *
 276  * RETURNS
 277  *    Success: Low-order doubleword of number of bytes
 278  *    Failure: 0xffffffff
 279  */
 280 DWORD WINAPI GetCompressedFileSizeW(
 281     LPCWSTR lpFileName,     /* [in]  Pointer to name of file */
 282     LPDWORD lpFileSizeHigh) /* [out] Receives high-order doubleword of size */
 283 {
 284     FIXME("(%s,%p): stub\n",debugstr_w(lpFileName),lpFileSizeHigh);
 285     return 0xffffffff;
 286 }
 287
 288
 289 /******************************************************************************
 290  *              CreateIoCompletionPort (KERNEL32.@)
 291  */
 292 HANDLE WINAPI CreateIoCompletionPort(HANDLE hFileHandle,
 293 HANDLE hExistingCompletionPort, DWORD dwCompletionKey,
 294 DWORD dwNumberOfConcurrentThreads)
 295 {
 296     FIXME("(%p, %p, %08lx, %08lx): stub.\n", hFileHandle, hExistingCompletionPort, dwCompletionKey, dwNumberOfConcurrentThreads);
 297     return (HANDLE)NULL;
 298 }
 299
 300 /******************************************************************************
 301  *              GetQueuedCompletionStatus (KERNEL32.@)
 302  */
 303 BOOL WINAPI GetQueuedCompletionStatus(
 304     HANDLE CompletionPort, LPDWORD lpNumberOfBytesTransferred,
 305     LPDWORD lpCompletionKey, LPOVERLAPPED *lpOverlapped, DWORD dwMilliseconds
 306 ) {
 307     FIXME("(%p,%p,%p,%p,%ld), stub!\n",CompletionPort,lpNumberOfBytesTransferred,lpCompletionKey,lpOverlapped,dwMilliseconds);
 308     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
 309     return FALSE;
 310 }