win32/newfns.c

   1 /*
   2  * Win32 miscellaneous functions
   3  *
   4  * Copyright 1995 Thomas Sandford (tdgsandf@prds-grn.demon.co.uk)
   5  */
   6
   7 /* Misc. new functions - they should be moved into appropriate files
   8 at a later date. */
   9
  10 #include <stdio.h>
  11 #include <string.h>
  12 #include <sys/time.h>
  13 #include <unistd.h>
  14 #include "windef.h"
  15 #include "winerror.h"
  16 #include "heap.h"
  17 #include "debugtools.h"
  18
  19 DEFAULT_DEBUG_CHANNEL(win32);
  20 DECLARE_DEBUG_CHANNEL(debug);
  21
  22
  23 static BOOL     QUERYPERF_Initialized           = 0;
  24 #if defined(__i386__) && defined(__GNUC__)
  25 static BOOL     QUERYPERF_RDTSC_Use             = 0;
  26 static LONGLONG QUERYPERF_RDTSC_Frequency       = 0;
  27 #endif
  28
  29 static void QUERYPERF_Init(void)
  30 {
  31 #if defined(__i386__) && defined(__GNUC__)
  32     /* We are running on i386 and compiling on GCC.
  33      * Do a runtime check to see if we have the rdtsc instruction available
  34      */
  35     FILE                *fp;
  36     char                line[256], *s, *value;
  37     double              cpuMHz;
  38
  39     TRACE("()\n");
  40
  41     if (IsProcessorFeaturePresent( PF_RDTSC_INSTRUCTION_AVAILABLE ))
  42     {
  43         /* rdtsc is available.  However, in order to use it
  44          * we also need to be able to get the processor's
  45          * speed.  Currently we do this by reading /proc/cpuinfo
  46          * which makes it Linux-specific.
  47          */
  48
  49         TRACE("rdtsc available\n");
  50
  51         fp = fopen( "/proc/cpuinfo", "r" );
  52         if (fp)
  53         {
  54             while(fgets( line, sizeof(line), fp ))
  55             {
  56                 /* NOTE: the ':' is the only character we can rely on */
  57                 if (!(value = strchr( line, ':' )))
  58                     continue;
  59
  60                 /* terminate the valuename */
  61                 *value++ = '\0';
  62                 /* skip any leading spaces */
  63                 while (*value == ' ') value++;
  64                 if ((s = strchr( value, '\n' )))
  65                     *s = '\0';
  66
  67                 if (!strncasecmp( line, "cpu MHz", strlen( "cpu MHz" ) ))
  68                 {
  69                     if (sscanf( value, "%lf", &cpuMHz ) == 1)
  70                     {
  71                         QUERYPERF_RDTSC_Frequency = (LONGLONG)(cpuMHz * 1000000.0);
  72                         QUERYPERF_RDTSC_Use = TRUE;
  73                         TRACE("using frequency: %lldHz\n", QUERYPERF_RDTSC_Frequency);
  74                         break;
  75                     }
  76                 }
  77             }
  78             fclose(fp);
  79         }
  80     }
  81 #endif
  82     QUERYPERF_Initialized = TRUE;
  83 }
  84
  85
  86 /****************************************************************************
  87  *              QueryPerformanceCounter (KERNEL32.564)
  88  */
  89 BOOL WINAPI QueryPerformanceCounter(PLARGE_INTEGER counter)
  90 {
  91     struct timeval tv;
  92
  93     if (!QUERYPERF_Initialized)
  94         QUERYPERF_Init();
  95
  96 #if defined(__i386__) && defined(__GNUC__)
  97     if (QUERYPERF_RDTSC_Use)
  98     {
  99         /* i586 optimized version */
 100         __asm__ __volatile__ ( "rdtsc"
 101                                : "=a" (counter->s.LowPart), "=d" (counter->s.HighPart) );
 102         return TRUE;
 103     }
 104     /* fall back to generic routine (ie, for i386, i486) */
 105 #endif
 106
 107     /* generic routine */
 108     gettimeofday( &tv, NULL );
 109     counter->QuadPart = (LONGLONG)tv.tv_usec + (LONGLONG)tv.tv_sec * 1000000LL;
 110     return TRUE;
 111 }
 112
 113 /****************************************************************************
 114  *              QueryPerformanceFrequency (KERNEL32.565)
 115  */
 116 BOOL WINAPI QueryPerformanceFrequency(PLARGE_INTEGER frequency)
 117 {
 118     if (!QUERYPERF_Initialized)
 119         QUERYPERF_Init();
 120
 121 #if defined(__i386__) && defined(__GNUC__)
 122     if (QUERYPERF_RDTSC_Use)
 123     {
 124         frequency->QuadPart = QUERYPERF_RDTSC_Frequency;
 125         return TRUE;
 126     }
 127 #endif
 128
 129     frequency->s.LowPart        = 1000000;
 130     frequency->s.HighPart       = 0;
 131     return TRUE;
 132 }
 133
 134 /****************************************************************************
 135  *              FlushInstructionCache (KERNEL32.261)
 136  */
 137 BOOL WINAPI FlushInstructionCache(DWORD x,DWORD y,DWORD z) {
 138         FIXME_(debug)("(0x%08lx,0x%08lx,0x%08lx): stub\n",x,y,z);
 139         return TRUE;
 140 }
 141
 142 /***********************************************************************
 143  *           GetSystemPowerStatus      (KERNEL32.@)
 144  */
 145 BOOL WINAPI GetSystemPowerStatus(LPSYSTEM_POWER_STATUS sps_ptr)
 146 {
 147     return FALSE;   /* no power management support */
 148 }
 149
 150
 151 /***********************************************************************
 152  *           SetSystemPowerState      (KERNEL32.@)
 153  */
 154 BOOL WINAPI SetSystemPowerState(BOOL suspend_or_hibernate,
 155                                   BOOL force_flag)
 156 {
 157     /* suspend_or_hibernate flag: w95 does not support
 158        this feature anyway */
 159
 160     for ( ;0; )
 161     {
 162         if ( force_flag )
 163         {
 164         }
 165         else
 166         {
 167         }
 168     }
 169     return TRUE;
 170 }
 171
 172
 173 /******************************************************************************
 174  * CreateMailslotA [KERNEL32.164]
 175  */
 176 HANDLE WINAPI CreateMailslotA( LPCSTR lpName, DWORD nMaxMessageSize,
 177                                    DWORD lReadTimeout, LPSECURITY_ATTRIBUTES sa)
 178 {
 179     FIXME("(%s,%ld,%ld,%p): stub\n", debugstr_a(lpName),
 180           nMaxMessageSize, lReadTimeout, sa);
 181     return 1;
 182 }
 183
 184
 185 /******************************************************************************
 186  * CreateMailslotW [KERNEL32.165]  Creates a mailslot with specified name
 187  *
 188  * PARAMS
 189  *    lpName          [I] Pointer to string for mailslot name
 190  *    nMaxMessageSize [I] Maximum message size
 191  *    lReadTimeout    [I] Milliseconds before read time-out
 192  *    sa              [I] Pointer to security structure
 193  *
 194  * RETURNS
 195  *    Success: Handle to mailslot
 196  *    Failure: INVALID_HANDLE_VALUE
 197  */
 198 HANDLE WINAPI CreateMailslotW( LPCWSTR lpName, DWORD nMaxMessageSize,
 199                                    DWORD lReadTimeout, LPSECURITY_ATTRIBUTES sa )
 200 {
 201     FIXME("(%s,%ld,%ld,%p): stub\n", debugstr_w(lpName),
 202           nMaxMessageSize, lReadTimeout, sa);
 203     return 1;
 204 }
 205
 206
 207 /******************************************************************************
 208  * GetMailslotInfo [KERNEL32.347]  Retrieves info about specified mailslot
 209  *
 210  * PARAMS
 211  *    hMailslot        [I] Mailslot handle
 212  *    lpMaxMessageSize [O] Address of maximum message size
 213  *    lpNextSize       [O] Address of size of next message
 214  *    lpMessageCount   [O] Address of number of messages
 215  *    lpReadTimeout    [O] Address of read time-out
 216  *
 217  * RETURNS
 218  *    Success: TRUE
 219  *    Failure: FALSE
 220  */
 221 BOOL WINAPI GetMailslotInfo( HANDLE hMailslot, LPDWORD lpMaxMessageSize,
 222                                LPDWORD lpNextSize, LPDWORD lpMessageCount,
 223                                LPDWORD lpReadTimeout )
 224 {
 225     FIXME("(%04x): stub\n",hMailslot);
 226     if (lpMaxMessageSize) *lpMaxMessageSize = (DWORD)NULL;
 227     if (lpNextSize) *lpNextSize = (DWORD)NULL;
 228     if (lpMessageCount) *lpMessageCount = (DWORD)NULL;
 229     if (lpReadTimeout) *lpReadTimeout = (DWORD)NULL;
 230     return TRUE;
 231 }
 232
 233
 234 /******************************************************************************
 235  * GetCompressedFileSizeA [KERNEL32.291]
 236  *
 237  * NOTES
 238  *    This should call the W function below
 239  */
 240 DWORD WINAPI GetCompressedFileSizeA(
 241     LPCSTR lpFileName,
 242     LPDWORD lpFileSizeHigh)
 243 {
 244     FIXME("(...): stub\n");
 245     return 0xffffffff;
 246 }
 247
 248
 249 /******************************************************************************
 250  * GetCompressedFileSizeW [KERNEL32.292]
 251  *
 252  * RETURNS
 253  *    Success: Low-order doubleword of number of bytes
 254  *    Failure: 0xffffffff
 255  */
 256 DWORD WINAPI GetCompressedFileSizeW(
 257     LPCWSTR lpFileName,     /* [in]  Pointer to name of file */
 258     LPDWORD lpFileSizeHigh) /* [out] Receives high-order doubleword of size */
 259 {
 260     FIXME("(%s,%p): stub\n",debugstr_w(lpFileName),lpFileSizeHigh);
 261     return 0xffffffff;
 262 }
 263
 264
 265 /******************************************************************************
 266  * SetComputerNameA [KERNEL32.621]
 267  */
 268 BOOL WINAPI SetComputerNameA( LPCSTR lpComputerName )
 269 {
 270     LPWSTR lpComputerNameW = HEAP_strdupAtoW(GetProcessHeap(),0,lpComputerName);
 271     BOOL ret = SetComputerNameW(lpComputerNameW);
 272     HeapFree(GetProcessHeap(),0,lpComputerNameW);
 273     return ret;
 274 }
 275
 276
 277 /******************************************************************************
 278  * SetComputerNameW [KERNEL32.622]
 279  *
 280  * PARAMS
 281  *    lpComputerName [I] Address of new computer name
 282  *
 283  * RETURNS STD
 284  */
 285 BOOL WINAPI SetComputerNameW( LPCWSTR lpComputerName )
 286 {
 287     FIXME("(%s): stub\n", debugstr_w(lpComputerName));
 288     return TRUE;
 289 }
 290
 291 /******************************************************************************
 292  *              CreateIoCompletionPort (KERNEL32.@)
 293  */
 294 HANDLE WINAPI CreateIoCompletionPort(HANDLE hFileHandle,
 295 HANDLE hExistingCompletionPort, DWORD dwCompletionKey,
 296 DWORD dwNumberOfConcurrentThreads)
 297 {
 298     FIXME("(%04x, %04x, %08lx, %08lx): stub.\n", hFileHandle, hExistingCompletionPort, dwCompletionKey, dwNumberOfConcurrentThreads);
 299     return (HANDLE)NULL;
 300 }