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Sweden-Number/dlls/kernel/toolhelp.c

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/*
* Misc Toolhelp functions
*
* Copyright 1996 Marcus Meissner
*/
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <ctype.h>
#include <assert.h>
#include "winbase.h"
#include "wine/winbase16.h"
#include "winerror.h"
#include "local.h"
#include "process.h"
#include "tlhelp32.h"
#include "toolhelp.h"
#include "heap.h"
#include "server.h"
#include "debugtools.h"
DEFAULT_DEBUG_CHANNEL(toolhelp);
/* FIXME: to make this working, we have to callback 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;
/***********************************************************************
* NotifyRegister16
*/
BOOL16 WINAPI NotifyRegister16( HTASK16 htask, FARPROC16 lpfnCallback,
WORD wFlags )
{
int i;
TRACE("(%x,%lx,%x) called.\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=(struct notify*)HeapAlloc( GetProcessHeap(), 0,
sizeof(struct notify) );
else
notifys=(struct notify*)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;
}
/***********************************************************************
* NotifyUnregister16
*/
BOOL16 WINAPI NotifyUnregister16( HTASK16 htask )
{
int i;
TRACE("(%x) called.\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=(struct notify*)HeapReAlloc( GetProcessHeap(), 0, notifys,
(nrofnotifys-1)*sizeof(struct notify));
nrofnotifys--;
return TRUE;
}
/***********************************************************************
* StackTraceCSIPFirst16
*/
BOOL16 WINAPI StackTraceCSIPFirst16(STACKTRACEENTRY *ste, WORD wSS, WORD wCS, WORD wIP, WORD wBP)
{
return TRUE;
}
/***********************************************************************
* StackTraceFirst16
*/
BOOL16 WINAPI StackTraceFirst16(STACKTRACEENTRY *ste, HTASK16 Task)
{
return TRUE;
}
/***********************************************************************
* StackTraceNext16
*/
BOOL16 WINAPI StackTraceNext16(STACKTRACEENTRY *ste)
{
return TRUE;
}
/***********************************************************************
* InterruptRegister16
*/
BOOL16 WINAPI InterruptRegister16( HTASK16 task, FARPROC callback )
{
return TRUE;
}
/***********************************************************************
* InterruptUnRegister16
*/
BOOL16 WINAPI InterruptUnRegister16( HTASK16 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 )
{
WORD user = LoadLibrary16( "USER.EXE" );
WORD gdi = LoadLibrary16( "GDI.EXE" );
pHeapInfo->wUserFreePercent = (int)LOCAL_CountFree(user) * 100 / LOCAL_HeapSize(user);
pHeapInfo->wGDIFreePercent = (int)LOCAL_CountFree(gdi) * 100 / LOCAL_HeapSize(gdi);
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;
tmp = HookNotify;
HookNotify = lpfnNotifyHandler;
/* just return previously installed notification function */
return tmp;
}
/***********************************************************************
* CreateToolhelp32Snapshot (KERNEL32.179)
*/
HANDLE WINAPI CreateToolhelp32Snapshot( DWORD flags, DWORD process )
{
struct create_snapshot_request *req = get_req_buffer();
TRACE("%lx,%lx\n", flags, process );
if (!(flags & (TH32CS_SNAPPROCESS|TH32CS_SNAPTHREAD|TH32CS_SNAPMODULE)))
{
FIXME("flags %lx not implemented\n", flags );
SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
return INVALID_HANDLE_VALUE;
}
/* Now do the snapshot */
req->flags = flags & ~TH32CS_INHERIT;
req->inherit = (flags & TH32CS_INHERIT) != 0;
req->pid = (void *)process;
server_call( REQ_CREATE_SNAPSHOT );
return req->handle;
}
/***********************************************************************
* TOOLHELP_Thread32Next
*
* Implementation of Thread32First/Next
*/
static BOOL TOOLHELP_Thread32Next( HANDLE handle, LPTHREADENTRY32 lpte, BOOL first )
{
struct next_thread_request *req = get_req_buffer();
if (lpte->dwSize < sizeof(THREADENTRY32))
{
SetLastError( ERROR_INSUFFICIENT_BUFFER );
ERR("Result buffer too small (req: %d, was: %ld)\n", sizeof(THREADENTRY32), lpte->dwSize);
return FALSE;
}
req->handle = handle;
req->reset = first;
if (server_call( REQ_NEXT_THREAD )) return FALSE;
lpte->cntUsage = req->count;
lpte->th32ThreadID = (DWORD)req->tid;
lpte->th32OwnerProcessID = (DWORD)req->pid;
lpte->tbBasePri = req->base_pri;
lpte->tbDeltaPri = req->delta_pri;
lpte->dwFlags = 0; /* SDK: "reserved; do not use" */
return TRUE;
}
/***********************************************************************
* Thread32First (KERNEL32.686)
*
* Return info about the first thread in a toolhelp32 snapshot
*/
BOOL WINAPI Thread32First(HANDLE hSnapshot, LPTHREADENTRY32 lpte)
{
return TOOLHELP_Thread32Next(hSnapshot, lpte, TRUE);
}
/***********************************************************************
* Thread32Next (KERNEL32.687)
*
* Return info about the "next" thread in a toolhelp32 snapshot
*/
BOOL WINAPI Thread32Next(HANDLE hSnapshot, LPTHREADENTRY32 lpte)
{
return TOOLHELP_Thread32Next(hSnapshot, lpte, FALSE);
}
/***********************************************************************
* TOOLHELP_Process32Next
*
* Implementation of Process32First/Next
*/
static BOOL TOOLHELP_Process32Next( HANDLE handle, LPPROCESSENTRY32 lppe, BOOL first )
{
struct next_process_request *req = get_req_buffer();
if (lppe->dwSize < sizeof(PROCESSENTRY32))
{
SetLastError( ERROR_INSUFFICIENT_BUFFER );
ERR("Result buffer too small (req: %d, was: %ld)\n", sizeof(PROCESSENTRY32), lppe->dwSize);
return FALSE;
}
req->handle = handle;
req->reset = first;
if (server_call( REQ_NEXT_PROCESS )) return FALSE;
lppe->cntUsage = req->count;
lppe->th32ProcessID = (DWORD)req->pid;
lppe->th32DefaultHeapID = 0; /* FIXME */
lppe->th32ModuleID = 0; /* FIXME */
lppe->cntThreads = req->threads;
lppe->th32ParentProcessID = 0; /* FIXME */
lppe->pcPriClassBase = req->priority;
lppe->dwFlags = -1; /* FIXME */
lppe->szExeFile[0] = 0; /* FIXME */
return TRUE;
}
/***********************************************************************
* Process32First (KERNEL32.555)
*
* Return info about the first process in a toolhelp32 snapshot
*/
BOOL WINAPI Process32First(HANDLE hSnapshot, LPPROCESSENTRY32 lppe)
{
return TOOLHELP_Process32Next( hSnapshot, lppe, TRUE );
}
/***********************************************************************
* Process32Next (KERNEL32.556)
*
* Return info about the "next" process in a toolhelp32 snapshot
*/
BOOL WINAPI Process32Next(HANDLE hSnapshot, LPPROCESSENTRY32 lppe)
{
return TOOLHELP_Process32Next( hSnapshot, lppe, FALSE );
}
/***********************************************************************
* TOOLHELP_Module32Next
*
* Implementation of Module32First/Next
*/
static BOOL TOOLHELP_Module32Next( HANDLE handle, LPMODULEENTRY32 lpme, BOOL first )
{
struct next_module_request *req = get_req_buffer();
if (lpme->dwSize < sizeof (MODULEENTRY32))
{
SetLastError( ERROR_INSUFFICIENT_BUFFER );
ERR("Result buffer too small (req: %d, was: %ld)\n", sizeof(MODULEENTRY32), lpme->dwSize);
return FALSE;
}
req->handle = handle;
req->reset = first;
if (server_call( REQ_NEXT_MODULE )) return FALSE;
lpme->th32ModuleID = 0; /* toolhelp internal id, never used */
lpme->th32ProcessID = (DWORD)req->pid;
lpme->GlblcntUsage = 0; /* FIXME */
lpme->ProccntUsage = 0; /* FIXME */
lpme->modBaseAddr = req->base;
lpme->modBaseSize = 0; /* FIXME */
lpme->hModule = (DWORD)req->base;
lpme->szModule[0] = 0; /* FIXME */
lpme->szExePath[0] = 0; /* FIXME */
return TRUE;
}
/***********************************************************************
* Module32First (KERNEL32.527)
*
* Return info about the "first" module in a toolhelp32 snapshot
*/
BOOL WINAPI Module32First(HANDLE hSnapshot, LPMODULEENTRY32 lpme)
{
return TOOLHELP_Module32Next( hSnapshot, lpme, TRUE );
}
/***********************************************************************
* Module32Next (KERNEL32.528)
*
* Return info about the "next" module in a toolhelp32 snapshot
*/
BOOL WINAPI Module32Next(HANDLE hSnapshot, LPMODULEENTRY32 lpme)
{
return TOOLHELP_Module32Next( hSnapshot, lpme, FALSE );
}
/************************************************************************
* GlobalMasterHandle16 (KERNEL.28)
*
*
* Should return selector and handle of the information structure for
* the global heap. selector and handle are stored in the THHOOK as
* pGlobalHeap and hGlobalHeap.
* As Wine doesn't have this structure, we return both values as zero
* Applications should interpret this as "No Global Heap"
*/
DWORD WINAPI GlobalMasterHandle16(void)
{
FIXME(": stub\n");
return 0;
}
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