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333 lines
9.6 KiB
C
333 lines
9.6 KiB
C
/*
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* Win32 miscellaneous functions
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*
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* Copyright 1995 Thomas Sandford (tdgsandf@prds-grn.demon.co.uk)
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/* Misc. new functions - they should be moved into appropriate files
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at a later date. */
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#include <stdio.h>
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#include <string.h>
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#include <sys/time.h>
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#include <unistd.h>
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#include "windef.h"
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#include "winbase.h"
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#include "winnls.h"
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#include "winerror.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(win32);
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WINE_DECLARE_DEBUG_CHANNEL(debug);
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static BOOL QUERYPERF_Initialized = 0;
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#if defined(__i386__) && defined(__GNUC__)
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static BOOL QUERYPERF_RDTSC_Use = 0;
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static LONGLONG QUERYPERF_RDTSC_Frequency = 0;
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#endif
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static void QUERYPERF_Init(void)
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{
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#if defined(__i386__) && defined(__GNUC__)
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/* We are running on i386 and compiling on GCC.
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* Do a runtime check to see if we have the rdtsc instruction available
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*/
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FILE *fp;
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char line[256], *s, *value;
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double cpuMHz;
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TRACE("()\n");
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if (IsProcessorFeaturePresent( PF_RDTSC_INSTRUCTION_AVAILABLE ))
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{
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/* rdtsc is available. However, in order to use it
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* we also need to be able to get the processor's
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* speed. Currently we do this by reading /proc/cpuinfo
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* which makes it Linux-specific.
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*/
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TRACE("rdtsc available\n");
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fp = fopen( "/proc/cpuinfo", "r" );
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if (fp)
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{
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while(fgets( line, sizeof(line), fp ))
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{
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/* NOTE: the ':' is the only character we can rely on */
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if (!(value = strchr( line, ':' )))
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continue;
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/* terminate the valuename */
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*value++ = '\0';
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/* skip any leading spaces */
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while (*value == ' ') value++;
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if ((s = strchr( value, '\n' )))
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*s = '\0';
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if (!strncasecmp( line, "cpu MHz", strlen( "cpu MHz" ) ))
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{
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if (sscanf( value, "%lf", &cpuMHz ) == 1)
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{
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QUERYPERF_RDTSC_Frequency = (LONGLONG)(cpuMHz * 1000000.0);
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QUERYPERF_RDTSC_Use = TRUE;
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TRACE("using frequency: %lldHz\n", QUERYPERF_RDTSC_Frequency);
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break;
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}
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}
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}
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fclose(fp);
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}
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}
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#endif
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QUERYPERF_Initialized = TRUE;
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}
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/****************************************************************************
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* QueryPerformanceCounter (KERNEL32.@)
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*/
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BOOL WINAPI QueryPerformanceCounter(PLARGE_INTEGER counter)
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{
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struct timeval tv;
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if (!QUERYPERF_Initialized)
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QUERYPERF_Init();
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#if defined(__i386__) && defined(__GNUC__)
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if (QUERYPERF_RDTSC_Use)
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{
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/* i586 optimized version */
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__asm__ __volatile__ ( "rdtsc"
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: "=a" (counter->s.LowPart), "=d" (counter->s.HighPart) );
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return TRUE;
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}
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/* fall back to generic routine (ie, for i386, i486) */
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#endif
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/* generic routine */
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gettimeofday( &tv, NULL );
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counter->QuadPart = (LONGLONG)tv.tv_usec + (LONGLONG)tv.tv_sec * 1000000LL;
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return TRUE;
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}
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/****************************************************************************
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* QueryPerformanceFrequency (KERNEL32.@)
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*/
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BOOL WINAPI QueryPerformanceFrequency(PLARGE_INTEGER frequency)
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{
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if (!QUERYPERF_Initialized)
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QUERYPERF_Init();
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#if defined(__i386__) && defined(__GNUC__)
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if (QUERYPERF_RDTSC_Use)
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{
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frequency->QuadPart = QUERYPERF_RDTSC_Frequency;
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return TRUE;
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}
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#endif
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frequency->s.LowPart = 1000000;
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frequency->s.HighPart = 0;
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return TRUE;
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}
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/****************************************************************************
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* FlushInstructionCache (KERNEL32.@)
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*/
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BOOL WINAPI FlushInstructionCache(HANDLE hProcess, LPCVOID lpBaseAddress, DWORD dwSize)
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{
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if (GetVersion() & 0x80000000) return TRUE; /* not NT, always TRUE */
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FIXME_(debug)("(0x%08lx,%p,0x%08lx): stub\n",(DWORD)hProcess, lpBaseAddress, dwSize);
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return TRUE;
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}
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/***********************************************************************
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* GetSystemPowerStatus (KERNEL32.@)
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*/
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BOOL WINAPI GetSystemPowerStatus(LPSYSTEM_POWER_STATUS sps_ptr)
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{
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return FALSE; /* no power management support */
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}
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/***********************************************************************
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* SetSystemPowerState (KERNEL32.@)
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*/
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BOOL WINAPI SetSystemPowerState(BOOL suspend_or_hibernate,
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BOOL force_flag)
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{
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/* suspend_or_hibernate flag: w95 does not support
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this feature anyway */
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for ( ;0; )
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{
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if ( force_flag )
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{
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}
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else
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{
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}
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}
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return TRUE;
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}
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/******************************************************************************
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* CreateMailslotA [KERNEL32.@]
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*/
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HANDLE WINAPI CreateMailslotA( LPCSTR lpName, DWORD nMaxMessageSize,
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DWORD lReadTimeout, LPSECURITY_ATTRIBUTES sa)
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{
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FIXME("(%s,%ld,%ld,%p): stub\n", debugstr_a(lpName),
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nMaxMessageSize, lReadTimeout, sa);
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return 1;
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}
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/******************************************************************************
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* CreateMailslotW [KERNEL32.@] Creates a mailslot with specified name
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*
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* PARAMS
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* lpName [I] Pointer to string for mailslot name
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* nMaxMessageSize [I] Maximum message size
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* lReadTimeout [I] Milliseconds before read time-out
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* sa [I] Pointer to security structure
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*
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* RETURNS
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* Success: Handle to mailslot
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* Failure: INVALID_HANDLE_VALUE
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*/
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HANDLE WINAPI CreateMailslotW( LPCWSTR lpName, DWORD nMaxMessageSize,
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DWORD lReadTimeout, LPSECURITY_ATTRIBUTES sa )
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{
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FIXME("(%s,%ld,%ld,%p): stub\n", debugstr_w(lpName),
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nMaxMessageSize, lReadTimeout, sa);
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return 1;
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}
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/******************************************************************************
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* GetMailslotInfo [KERNEL32.@] Retrieves info about specified mailslot
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*
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* PARAMS
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* hMailslot [I] Mailslot handle
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* lpMaxMessageSize [O] Address of maximum message size
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* lpNextSize [O] Address of size of next message
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* lpMessageCount [O] Address of number of messages
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* lpReadTimeout [O] Address of read time-out
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*
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* RETURNS
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* Success: TRUE
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* Failure: FALSE
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*/
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BOOL WINAPI GetMailslotInfo( HANDLE hMailslot, LPDWORD lpMaxMessageSize,
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LPDWORD lpNextSize, LPDWORD lpMessageCount,
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LPDWORD lpReadTimeout )
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{
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FIXME("(%04x): stub\n",hMailslot);
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if (lpMaxMessageSize) *lpMaxMessageSize = (DWORD)NULL;
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if (lpNextSize) *lpNextSize = (DWORD)NULL;
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if (lpMessageCount) *lpMessageCount = (DWORD)NULL;
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if (lpReadTimeout) *lpReadTimeout = (DWORD)NULL;
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return TRUE;
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}
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/******************************************************************************
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* GetCompressedFileSizeA [KERNEL32.@]
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*
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* NOTES
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* This should call the W function below
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*/
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DWORD WINAPI GetCompressedFileSizeA(
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LPCSTR lpFileName,
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LPDWORD lpFileSizeHigh)
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{
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FIXME("(...): stub\n");
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return 0xffffffff;
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}
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/******************************************************************************
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* GetCompressedFileSizeW [KERNEL32.@]
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*
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* RETURNS
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* Success: Low-order doubleword of number of bytes
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* Failure: 0xffffffff
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*/
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DWORD WINAPI GetCompressedFileSizeW(
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LPCWSTR lpFileName, /* [in] Pointer to name of file */
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LPDWORD lpFileSizeHigh) /* [out] Receives high-order doubleword of size */
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{
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FIXME("(%s,%p): stub\n",debugstr_w(lpFileName),lpFileSizeHigh);
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return 0xffffffff;
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}
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/******************************************************************************
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* SetComputerNameA [KERNEL32.@]
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*/
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BOOL WINAPI SetComputerNameA( LPCSTR lpComputerName )
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{
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BOOL ret;
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DWORD len = MultiByteToWideChar( CP_ACP, 0, lpComputerName, -1, NULL, 0 );
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LPWSTR nameW = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
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MultiByteToWideChar( CP_ACP, 0, lpComputerName, -1, nameW, len );
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ret = SetComputerNameW( nameW );
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HeapFree( GetProcessHeap(), 0, nameW );
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return ret;
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}
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/******************************************************************************
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* SetComputerNameW [KERNEL32.@]
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*
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* PARAMS
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* lpComputerName [I] Address of new computer name
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*
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* RETURNS STD
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*/
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BOOL WINAPI SetComputerNameW( LPCWSTR lpComputerName )
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{
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FIXME("(%s): stub\n", debugstr_w(lpComputerName));
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return TRUE;
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}
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/******************************************************************************
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* CreateIoCompletionPort (KERNEL32.@)
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*/
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HANDLE WINAPI CreateIoCompletionPort(HANDLE hFileHandle,
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HANDLE hExistingCompletionPort, DWORD dwCompletionKey,
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DWORD dwNumberOfConcurrentThreads)
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{
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FIXME("(%04x, %04x, %08lx, %08lx): stub.\n", hFileHandle, hExistingCompletionPort, dwCompletionKey, dwNumberOfConcurrentThreads);
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return (HANDLE)NULL;
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}
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/******************************************************************************
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* GetQueuedCompletionStatus (KERNEL32.@)
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*/
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BOOL WINAPI GetQueuedCompletionStatus(
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HANDLE CompletionPort, LPDWORD lpNumberOfBytesTransferred,
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LPDWORD lpCompletionKey, LPOVERLAPPED *lpOverlapped, DWORD dwMilliseconds
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) {
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FIXME("(%x,%p,%p,%p,%ld), stub!\n",CompletionPort,lpNumberOfBytesTransferred,lpCompletionKey,lpOverlapped,dwMilliseconds);
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SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
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return FALSE;
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}
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