221 lines
6.4 KiB
C
221 lines
6.4 KiB
C
/*
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* Misc Toolhelp functions
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*
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* Copyright 1996 Marcus Meissner
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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include <stdarg.h>
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#include <stdlib.h>
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#include <string.h>
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#include <ctype.h>
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#include <assert.h>
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#include "windef.h"
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#include "winbase.h"
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#include "winternl.h"
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#include "winerror.h"
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#include "wine/winbase16.h"
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#include "toolhelp.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(toolhelp);
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/* FIXME: to make this work, we have to call back all these registered
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* functions from all over the WINE code. Someone with more knowledge than
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* me please do that. -Marcus
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*/
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static struct notify
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{
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HTASK16 htask;
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FARPROC16 lpfnCallback;
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WORD wFlags;
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} *notifys = NULL;
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static int nrofnotifys = 0;
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static FARPROC16 HookNotify = NULL;
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/***********************************************************************
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* TaskFindHandle (TOOLHELP.65)
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*/
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BOOL16 WINAPI TaskFindHandle16( TASKENTRY *lpte, HTASK16 hTask )
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{
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lpte->hNext = hTask;
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return TaskNext16( lpte );
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}
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/***********************************************************************
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* NotifyRegister (TOOLHELP.73)
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*/
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BOOL16 WINAPI NotifyRegister16( HTASK16 htask, FARPROC16 lpfnCallback,
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WORD wFlags )
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{
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int i;
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FIXME("(%x,%lx,%x), semi-stub.\n",
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htask, (DWORD)lpfnCallback, wFlags );
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if (!htask) htask = GetCurrentTask();
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for (i=0;i<nrofnotifys;i++)
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if (notifys[i].htask==htask)
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break;
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if (i==nrofnotifys) {
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if (notifys==NULL)
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notifys=HeapAlloc( GetProcessHeap(), 0,
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sizeof(struct notify) );
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else
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notifys=HeapReAlloc( GetProcessHeap(), 0, notifys,
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sizeof(struct notify)*(nrofnotifys+1));
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if (!notifys) return FALSE;
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nrofnotifys++;
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}
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notifys[i].htask=htask;
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notifys[i].lpfnCallback=lpfnCallback;
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notifys[i].wFlags=wFlags;
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return TRUE;
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}
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/***********************************************************************
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* NotifyUnregister (TOOLHELP.74)
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*/
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BOOL16 WINAPI NotifyUnregister16( HTASK16 htask )
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{
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int i;
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FIXME("(%x), semi-stub.\n", htask );
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if (!htask) htask = GetCurrentTask();
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for (i=nrofnotifys;i--;)
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if (notifys[i].htask==htask)
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break;
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if (i==-1)
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return FALSE;
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memcpy(notifys+i,notifys+(i+1),sizeof(struct notify)*(nrofnotifys-i-1));
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notifys=HeapReAlloc( GetProcessHeap(), 0, notifys,
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(nrofnotifys-1)*sizeof(struct notify));
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nrofnotifys--;
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return TRUE;
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}
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/***********************************************************************
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* StackTraceCSIPFirst (TOOLHELP.67)
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*/
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BOOL16 WINAPI StackTraceCSIPFirst16(STACKTRACEENTRY *ste, WORD wSS, WORD wCS, WORD wIP, WORD wBP)
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{
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FIXME("(%p, ss %04x, cs %04x, ip %04x, bp %04x): stub.\n", ste, wSS, wCS, wIP, wBP);
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return TRUE;
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}
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/***********************************************************************
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* StackTraceFirst (TOOLHELP.66)
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*/
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BOOL16 WINAPI StackTraceFirst16(STACKTRACEENTRY *ste, HTASK16 Task)
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{
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FIXME("(%p, %04x), stub.\n", ste, Task);
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return TRUE;
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}
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/***********************************************************************
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* StackTraceNext (TOOLHELP.68)
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*/
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BOOL16 WINAPI StackTraceNext16(STACKTRACEENTRY *ste)
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{
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FIXME("(%p), stub.\n", ste);
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return TRUE;
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}
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/***********************************************************************
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* InterruptRegister (TOOLHELP.75)
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*/
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BOOL16 WINAPI InterruptRegister16( HTASK16 task, FARPROC callback )
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{
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FIXME("(%04x, %p), stub.\n", task, callback);
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return TRUE;
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}
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/***********************************************************************
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* InterruptUnRegister (TOOLHELP.76)
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*/
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BOOL16 WINAPI InterruptUnRegister16( HTASK16 task )
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{
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FIXME("(%04x), stub.\n", task);
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return TRUE;
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}
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/***********************************************************************
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* TimerCount (TOOLHELP.80)
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*/
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BOOL16 WINAPI TimerCount16( TIMERINFO *pTimerInfo )
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{
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/* FIXME
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* In standard mode, dwmsSinceStart = dwmsThisVM
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*
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* I tested this, under Windows in enhanced mode, and
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* if you never switch VM (ie start/stop DOS) these
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* values should be the same as well.
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*
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* Also, Wine should adjust for the hardware timer
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* to reduce the amount of error to ~1ms.
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* I can't be bothered, can you?
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*/
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pTimerInfo->dwmsSinceStart = pTimerInfo->dwmsThisVM = GetTickCount();
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return TRUE;
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}
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/***********************************************************************
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* SystemHeapInfo (TOOLHELP.71)
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*/
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BOOL16 WINAPI SystemHeapInfo16( SYSHEAPINFO *pHeapInfo )
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{
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STACK16FRAME* stack16 = MapSL((SEGPTR)NtCurrentTeb()->WOW32Reserved);
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HANDLE16 oldDS = stack16->ds;
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WORD user = LoadLibrary16( "USER.EXE" );
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WORD gdi = LoadLibrary16( "GDI.EXE" );
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stack16->ds = user;
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pHeapInfo->wUserFreePercent = (int)LocalCountFree16() * 100 / LocalHeapSize16();
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stack16->ds = gdi;
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pHeapInfo->wGDIFreePercent = (int)LocalCountFree16() * 100 / LocalHeapSize16();
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stack16->ds = oldDS;
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pHeapInfo->hUserSegment = user;
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pHeapInfo->hGDISegment = gdi;
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FreeLibrary16( user );
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FreeLibrary16( gdi );
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return TRUE;
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}
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/***********************************************************************
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* ToolHelpHook (KERNEL.341)
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* see "Undocumented Windows"
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*/
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FARPROC16 WINAPI ToolHelpHook16(FARPROC16 lpfnNotifyHandler)
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{
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FARPROC16 tmp;
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FIXME("(%p), stub.\n", lpfnNotifyHandler);
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tmp = HookNotify;
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HookNotify = lpfnNotifyHandler;
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/* just return previously installed notification function */
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return tmp;
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}
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