wine/dlls/kernel/toolhelp16.c

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/*
* Misc Toolhelp functions
*
* Copyright 1996 Marcus Meissner
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <ctype.h>
#include <assert.h>
#include "windef.h"
#include "winbase.h"
#include "wine/winbase16.h"
#include "winerror.h"
#include "toolhelp.h"
#include "wine/server.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(toolhelp);
/* FIXME: to make this work, we have to call back all these registered
* functions from all over the WINE code. Someone with more knowledge than
* me please do that. -Marcus
*/
static struct notify
{
HTASK16 htask;
FARPROC16 lpfnCallback;
WORD wFlags;
} *notifys = NULL;
static int nrofnotifys = 0;
static FARPROC16 HookNotify = NULL;
/***********************************************************************
* TaskFindHandle (TOOLHELP.65)
*/
BOOL16 WINAPI TaskFindHandle16( TASKENTRY *lpte, HTASK16 hTask )
{
lpte->hNext = hTask;
return TaskNext16( lpte );
}
/***********************************************************************
* NotifyRegister (TOOLHELP.73)
*/
BOOL16 WINAPI NotifyRegister16( HTASK16 htask, FARPROC16 lpfnCallback,
WORD wFlags )
{
int i;
FIXME("(%x,%lx,%x), semi-stub.\n",
htask, (DWORD)lpfnCallback, wFlags );
if (!htask) htask = GetCurrentTask();
for (i=0;i<nrofnotifys;i++)
if (notifys[i].htask==htask)
break;
if (i==nrofnotifys) {
if (notifys==NULL)
notifys=HeapAlloc( GetProcessHeap(), 0,
sizeof(struct notify) );
else
notifys=HeapReAlloc( GetProcessHeap(), 0, notifys,
sizeof(struct notify)*(nrofnotifys+1));
if (!notifys) return FALSE;
nrofnotifys++;
}
notifys[i].htask=htask;
notifys[i].lpfnCallback=lpfnCallback;
notifys[i].wFlags=wFlags;
return TRUE;
}
/***********************************************************************
* NotifyUnregister (TOOLHELP.74)
*/
BOOL16 WINAPI NotifyUnregister16( HTASK16 htask )
{
int i;
FIXME("(%x), semi-stub.\n", htask );
if (!htask) htask = GetCurrentTask();
for (i=nrofnotifys;i--;)
if (notifys[i].htask==htask)
break;
if (i==-1)
return FALSE;
memcpy(notifys+i,notifys+(i+1),sizeof(struct notify)*(nrofnotifys-i-1));
notifys=HeapReAlloc( GetProcessHeap(), 0, notifys,
(nrofnotifys-1)*sizeof(struct notify));
nrofnotifys--;
return TRUE;
}
/***********************************************************************
* StackTraceCSIPFirst (TOOLHELP.67)
*/
BOOL16 WINAPI StackTraceCSIPFirst16(STACKTRACEENTRY *ste, WORD wSS, WORD wCS, WORD wIP, WORD wBP)
{
FIXME("(%p, ss %04x, cs %04x, ip %04x, bp %04x): stub.\n", ste, wSS, wCS, wIP, wBP);
return TRUE;
}
/***********************************************************************
* StackTraceFirst (TOOLHELP.66)
*/
BOOL16 WINAPI StackTraceFirst16(STACKTRACEENTRY *ste, HTASK16 Task)
{
FIXME("(%p, %04x), stub.\n", ste, Task);
return TRUE;
}
/***********************************************************************
* StackTraceNext (TOOLHELP.68)
*/
BOOL16 WINAPI StackTraceNext16(STACKTRACEENTRY *ste)
{
FIXME("(%p), stub.\n", ste);
return TRUE;
}
/***********************************************************************
* InterruptRegister (TOOLHELP.75)
*/
BOOL16 WINAPI InterruptRegister16( HTASK16 task, FARPROC callback )
{
FIXME("(%04x, %p), stub.\n", task, callback);
return TRUE;
}
/***********************************************************************
* InterruptUnRegister (TOOLHELP.76)
*/
BOOL16 WINAPI InterruptUnRegister16( HTASK16 task )
{
FIXME("(%04x), stub.\n", task);
return TRUE;
}
/***********************************************************************
* TimerCount (TOOLHELP.80)
*/
BOOL16 WINAPI TimerCount16( TIMERINFO *pTimerInfo )
{
/* FIXME
* In standard mode, dwmsSinceStart = dwmsThisVM
*
* I tested this, under Windows in enhanced mode, and
* if you never switch VM (ie start/stop DOS) these
* values should be the same as well.
*
* Also, Wine should adjust for the hardware timer
* to reduce the amount of error to ~1ms.
* I can't be bothered, can you?
*/
pTimerInfo->dwmsSinceStart = pTimerInfo->dwmsThisVM = GetTickCount();
return TRUE;
}
/***********************************************************************
* SystemHeapInfo (TOOLHELP.71)
*/
BOOL16 WINAPI SystemHeapInfo16( SYSHEAPINFO *pHeapInfo )
{
STACK16FRAME* stack16 = MapSL((SEGPTR)NtCurrentTeb()->WOW32Reserved);
HANDLE16 oldDS = stack16->ds;
WORD user = LoadLibrary16( "USER.EXE" );
WORD gdi = LoadLibrary16( "GDI.EXE" );
stack16->ds = user;
pHeapInfo->wUserFreePercent = (int)LocalCountFree16() * 100 / LocalHeapSize16();
stack16->ds = gdi;
pHeapInfo->wGDIFreePercent = (int)LocalCountFree16() * 100 / LocalHeapSize16();
stack16->ds = oldDS;
pHeapInfo->hUserSegment = user;
pHeapInfo->hGDISegment = gdi;
FreeLibrary16( user );
FreeLibrary16( gdi );
return TRUE;
}
/***********************************************************************
* ToolHelpHook (KERNEL.341)
* see "Undocumented Windows"
*/
FARPROC16 WINAPI ToolHelpHook16(FARPROC16 lpfnNotifyHandler)
{
FARPROC16 tmp;
FIXME("(%p), stub.\n", lpfnNotifyHandler);
tmp = HookNotify;
HookNotify = lpfnNotifyHandler;
/* just return previously installed notification function */
return tmp;
}