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
  36 #define NONAMELESSUNION
  37 #define NONAMELESSSTRUCT
  38 #include "windef.h"
  39 #include "winbase.h"
  40 #include "winnls.h"
  41 #include "winerror.h"
  42 #include "wine/debug.h"
  43
  44 WINE_DEFAULT_DEBUG_CHANNEL(win32);
  45 WINE_DECLARE_DEBUG_CHANNEL(debug);
  46
  47
  48 static BOOL     QUERYPERF_Initialized           = 0;
  49 #if defined(__i386__) && defined(__GNUC__)
  50 static BOOL     QUERYPERF_RDTSC_Use             = 0;
  51 static LONGLONG QUERYPERF_RDTSC_Frequency       = 0;
  52 #endif
  53
  54 static void QUERYPERF_Init(void)
  55 {
  56 #if defined(__i386__) && defined(__GNUC__)
  57     /* We are running on i386 and compiling on GCC.
  58      * Do a runtime check to see if we have the rdtsc instruction available
  59      */
  60     FILE                *fp;
  61     char                line[256], *s, *value;
  62     double              cpuMHz;
  63
  64     TRACE("()\n");
  65
  66     if (IsProcessorFeaturePresent( PF_RDTSC_INSTRUCTION_AVAILABLE ))
  67     {
  68         /* rdtsc is available.  However, in order to use it
  69          * we also need to be able to get the processor's
  70          * speed.  Currently we do this by reading /proc/cpuinfo
  71          * which makes it Linux-specific.
  72          */
  73
  74         TRACE("rdtsc available\n");
  75
  76         fp = fopen( "/proc/cpuinfo", "r" );
  77         if (fp)
  78         {
  79             while(fgets( line, sizeof(line), fp ))
  80             {
  81                 /* NOTE: the ':' is the only character we can rely on */
  82                 if (!(value = strchr( line, ':' )))
  83                     continue;
  84
  85                 /* terminate the valuename */
  86                 *value++ = '\0';
  87                 /* skip any leading spaces */
  88                 while (*value == ' ') value++;
  89                 if ((s = strchr( value, '\n' )))
  90                     *s = '\0';
  91
  92                 if (!strncasecmp( line, "cpu MHz", strlen( "cpu MHz" ) ))
  93                 {
  94                     if (sscanf( value, "%lf", &cpuMHz ) == 1)
  95                     {
  96                         QUERYPERF_RDTSC_Frequency = (LONGLONG)(cpuMHz * 1000000.0);
  97                         QUERYPERF_RDTSC_Use = TRUE;
  98                         TRACE("using frequency: %lldHz\n", QUERYPERF_RDTSC_Frequency);
  99                         break;
 100                     }
 101                 }
 102             }
 103             fclose(fp);
 104         }
 105     }
 106 #endif
 107     QUERYPERF_Initialized = TRUE;
 108 }
 109
 110
 111 /****************************************************************************
 112  *              QueryPerformanceCounter (KERNEL32.@)
 113  */
 114 BOOL WINAPI QueryPerformanceCounter(PLARGE_INTEGER counter)
 115 {
 116     struct timeval tv;
 117
 118     if (!QUERYPERF_Initialized)
 119         QUERYPERF_Init();
 120
 121 #if defined(__i386__) && defined(__GNUC__)
 122     if (QUERYPERF_RDTSC_Use)
 123     {
 124         /* i586 optimized version */
 125         __asm__ __volatile__ ( "rdtsc"
 126                                : "=a" (counter->s.LowPart), "=d" (counter->s.HighPart) );
 127         return TRUE;
 128     }
 129     /* fall back to generic routine (ie, for i386, i486) */
 130 #endif
 131
 132     /* generic routine */
 133     gettimeofday( &tv, NULL );
 134     counter->QuadPart = (LONGLONG)tv.tv_usec + (LONGLONG)tv.tv_sec * 1000000;
 135     return TRUE;
 136 }
 137
 138 /****************************************************************************
 139  *              QueryPerformanceFrequency (KERNEL32.@)
 140  */
 141 BOOL WINAPI QueryPerformanceFrequency(PLARGE_INTEGER frequency)
 142 {
 143     if (!QUERYPERF_Initialized)
 144         QUERYPERF_Init();
 145
 146 #if defined(__i386__) && defined(__GNUC__)
 147     if (QUERYPERF_RDTSC_Use)
 148     {
 149         frequency->QuadPart = QUERYPERF_RDTSC_Frequency;
 150         return TRUE;
 151     }
 152 #endif
 153
 154     frequency->s.LowPart        = 1000000;
 155     frequency->s.HighPart       = 0;
 156     return TRUE;
 157 }
 158
 159 /****************************************************************************
 160  *              FlushInstructionCache (KERNEL32.@)
 161  */
 162 BOOL WINAPI FlushInstructionCache(HANDLE hProcess, LPCVOID lpBaseAddress, SIZE_T dwSize)
 163 {
 164     if (GetVersion() & 0x80000000) return TRUE; /* not NT, always TRUE */
 165     FIXME_(debug)("(0x%08lx,%p,0x%08lx): stub\n",(DWORD)hProcess, lpBaseAddress, dwSize);
 166     return TRUE;
 167 }
 168
 169 /***********************************************************************
 170  *           GetSystemPowerStatus      (KERNEL32.@)
 171  */
 172 BOOL WINAPI GetSystemPowerStatus(LPSYSTEM_POWER_STATUS sps_ptr)
 173 {
 174     return FALSE;   /* no power management support */
 175 }
 176
 177
 178 /***********************************************************************
 179  *           SetSystemPowerState      (KERNEL32.@)
 180  */
 181 BOOL WINAPI SetSystemPowerState(BOOL suspend_or_hibernate,
 182                                   BOOL force_flag)
 183 {
 184     /* suspend_or_hibernate flag: w95 does not support
 185        this feature anyway */
 186
 187     for ( ;0; )
 188     {
 189         if ( force_flag )
 190         {
 191         }
 192         else
 193         {
 194         }
 195     }
 196     return TRUE;
 197 }
 198
 199
 200 /******************************************************************************
 201  * CreateMailslotA [KERNEL32.@]
 202  */
 203 HANDLE WINAPI CreateMailslotA( LPCSTR lpName, DWORD nMaxMessageSize,
 204                                    DWORD lReadTimeout, LPSECURITY_ATTRIBUTES sa)
 205 {
 206     FIXME("(%s,%ld,%ld,%p): stub\n", debugstr_a(lpName),
 207           nMaxMessageSize, lReadTimeout, sa);
 208     return (HANDLE)1;
 209 }
 210
 211
 212 /******************************************************************************
 213  * CreateMailslotW [KERNEL32.@]  Creates a mailslot with specified name
 214  *
 215  * PARAMS
 216  *    lpName          [I] Pointer to string for mailslot name
 217  *    nMaxMessageSize [I] Maximum message size
 218  *    lReadTimeout    [I] Milliseconds before read time-out
 219  *    sa              [I] Pointer to security structure
 220  *
 221  * RETURNS
 222  *    Success: Handle to mailslot
 223  *    Failure: INVALID_HANDLE_VALUE
 224  */
 225 HANDLE WINAPI CreateMailslotW( LPCWSTR lpName, DWORD nMaxMessageSize,
 226                                    DWORD lReadTimeout, LPSECURITY_ATTRIBUTES sa )
 227 {
 228     FIXME("(%s,%ld,%ld,%p): stub\n", debugstr_w(lpName),
 229           nMaxMessageSize, lReadTimeout, sa);
 230     return (HANDLE)1;
 231 }
 232
 233
 234 /******************************************************************************
 235  * GetMailslotInfo [KERNEL32.@]  Retrieves info about specified mailslot
 236  *
 237  * PARAMS
 238  *    hMailslot        [I] Mailslot handle
 239  *    lpMaxMessageSize [O] Address of maximum message size
 240  *    lpNextSize       [O] Address of size of next message
 241  *    lpMessageCount   [O] Address of number of messages
 242  *    lpReadTimeout    [O] Address of read time-out
 243  *
 244  * RETURNS
 245  *    Success: TRUE
 246  *    Failure: FALSE
 247  */
 248 BOOL WINAPI GetMailslotInfo( HANDLE hMailslot, LPDWORD lpMaxMessageSize,
 249                                LPDWORD lpNextSize, LPDWORD lpMessageCount,
 250                                LPDWORD lpReadTimeout )
 251 {
 252     FIXME("(%p): stub\n",hMailslot);
 253     if (lpMaxMessageSize) *lpMaxMessageSize = (DWORD)NULL;
 254     if (lpNextSize) *lpNextSize = (DWORD)NULL;
 255     if (lpMessageCount) *lpMessageCount = (DWORD)NULL;
 256     if (lpReadTimeout) *lpReadTimeout = (DWORD)NULL;
 257     return TRUE;
 258 }
 259
 260
 261 /******************************************************************************
 262  * GetCompressedFileSizeA [KERNEL32.@]
 263  *
 264  * NOTES
 265  *    This should call the W function below
 266  */
 267 DWORD WINAPI GetCompressedFileSizeA(
 268     LPCSTR lpFileName,
 269     LPDWORD lpFileSizeHigh)
 270 {
 271     FIXME("(...): stub\n");
 272     return 0xffffffff;
 273 }
 274
 275
 276 /******************************************************************************
 277  * GetCompressedFileSizeW [KERNEL32.@]
 278  *
 279  * RETURNS
 280  *    Success: Low-order doubleword of number of bytes
 281  *    Failure: 0xffffffff
 282  */
 283 DWORD WINAPI GetCompressedFileSizeW(
 284     LPCWSTR lpFileName,     /* [in]  Pointer to name of file */
 285     LPDWORD lpFileSizeHigh) /* [out] Receives high-order doubleword of size */
 286 {
 287     FIXME("(%s,%p): stub\n",debugstr_w(lpFileName),lpFileSizeHigh);
 288     return 0xffffffff;
 289 }
 290
 291
 292 /******************************************************************************
 293  *              CreateIoCompletionPort (KERNEL32.@)
 294  */
 295 HANDLE WINAPI CreateIoCompletionPort(HANDLE hFileHandle,
 296 HANDLE hExistingCompletionPort, DWORD dwCompletionKey,
 297 DWORD dwNumberOfConcurrentThreads)
 298 {
 299     FIXME("(%p, %p, %08lx, %08lx): stub.\n", hFileHandle, hExistingCompletionPort, dwCompletionKey, dwNumberOfConcurrentThreads);
 300     return NULL;
 301 }
 302
 303 /******************************************************************************
 304  *              GetQueuedCompletionStatus (KERNEL32.@)
 305  */
 306 BOOL WINAPI GetQueuedCompletionStatus(
 307     HANDLE CompletionPort, LPDWORD lpNumberOfBytesTransferred,
 308     LPDWORD lpCompletionKey, LPOVERLAPPED *lpOverlapped, DWORD dwMilliseconds
 309 ) {
 310     FIXME("(%p,%p,%p,%p,%ld), stub!\n",CompletionPort,lpNumberOfBytesTransferred,lpCompletionKey,lpOverlapped,dwMilliseconds);
 311     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
 312     return FALSE;
 313 }