2 * Misc Toolhelp functions
4 * Copyright 1996 Marcus Meissner
13 #include "wine/winbase16.h"
20 #include "debugtools.h"
22 DEFAULT_DEBUG_CHANNEL(toolhelp);
25 /* FIXME: to make this working, we have to callback all these registered
26 * functions from all over the WINE code. Someone with more knowledge than
27 * me please do that. -Marcus
32 FARPROC16 lpfnCallback;
36 static int nrofnotifys = 0;
38 static FARPROC16 HookNotify = NULL;
40 /***********************************************************************
41 * NotifyRegister16 (TOOLHELP.73)
43 BOOL16 WINAPI NotifyRegister16( HTASK16 htask, FARPROC16 lpfnCallback,
48 FIXME("(%x,%lx,%x), semi-stub.\n",
49 htask, (DWORD)lpfnCallback, wFlags );
50 if (!htask) htask = GetCurrentTask();
51 for (i=0;i<nrofnotifys;i++)
52 if (notifys[i].htask==htask)
56 notifys=(struct notify*)HeapAlloc( GetProcessHeap(), 0,
57 sizeof(struct notify) );
59 notifys=(struct notify*)HeapReAlloc( GetProcessHeap(), 0, notifys,
60 sizeof(struct notify)*(nrofnotifys+1));
61 if (!notifys) return FALSE;
64 notifys[i].htask=htask;
65 notifys[i].lpfnCallback=lpfnCallback;
66 notifys[i].wFlags=wFlags;
70 /***********************************************************************
71 * NotifyUnregister16 (TOOLHELP.74)
73 BOOL16 WINAPI NotifyUnregister16( HTASK16 htask )
77 FIXME("(%x), semi-stub.\n", htask );
78 if (!htask) htask = GetCurrentTask();
79 for (i=nrofnotifys;i--;)
80 if (notifys[i].htask==htask)
84 memcpy(notifys+i,notifys+(i+1),sizeof(struct notify)*(nrofnotifys-i-1));
85 notifys=(struct notify*)HeapReAlloc( GetProcessHeap(), 0, notifys,
86 (nrofnotifys-1)*sizeof(struct notify));
91 /***********************************************************************
92 * StackTraceCSIPFirst (TOOLHELP.67)
94 BOOL16 WINAPI StackTraceCSIPFirst16(STACKTRACEENTRY *ste, WORD wSS, WORD wCS, WORD wIP, WORD wBP)
96 FIXME("(%p, ss %04x, cs %04x, ip %04x, bp %04x): stub.\n", ste, wSS, wCS, wIP, wBP);
100 /***********************************************************************
101 * StackTraceFirst (TOOLHELP.66)
103 BOOL16 WINAPI StackTraceFirst16(STACKTRACEENTRY *ste, HTASK16 Task)
105 FIXME("(%p, %04x), stub.\n", ste, Task);
109 /***********************************************************************
110 * StackTraceNext (TOOLHELP.68)
112 BOOL16 WINAPI StackTraceNext16(STACKTRACEENTRY *ste)
114 FIXME("(%p), stub.\n", ste);
118 /***********************************************************************
119 * InterruptRegister (TOOLHELP.75)
121 BOOL16 WINAPI InterruptRegister16( HTASK16 task, FARPROC callback )
123 FIXME("(%04x, %p), stub.\n", task, callback);
127 /***********************************************************************
128 * InterruptUnRegister (TOOLHELP.76)
130 BOOL16 WINAPI InterruptUnRegister16( HTASK16 task )
132 FIXME("(%04x), stub.\n", task);
136 /***********************************************************************
137 * TimerCount (TOOLHELP.80)
139 BOOL16 WINAPI TimerCount16( TIMERINFO *pTimerInfo )
142 * In standard mode, dwmsSinceStart = dwmsThisVM
144 * I tested this, under Windows in enhanced mode, and
145 * if you never switch VM (ie start/stop DOS) these
146 * values should be the same as well.
148 * Also, Wine should adjust for the hardware timer
149 * to reduce the amount of error to ~1ms.
150 * I can't be bothered, can you?
152 pTimerInfo->dwmsSinceStart = pTimerInfo->dwmsThisVM = GetTickCount();
156 /***********************************************************************
157 * SystemHeapInfo (TOOLHELP.71)
159 BOOL16 WINAPI SystemHeapInfo16( SYSHEAPINFO *pHeapInfo )
161 WORD user = LoadLibrary16( "USER.EXE" );
162 WORD gdi = LoadLibrary16( "GDI.EXE" );
163 pHeapInfo->wUserFreePercent = (int)LOCAL_CountFree(user) * 100 / LOCAL_HeapSize(user);
164 pHeapInfo->wGDIFreePercent = (int)LOCAL_CountFree(gdi) * 100 / LOCAL_HeapSize(gdi);
165 pHeapInfo->hUserSegment = user;
166 pHeapInfo->hGDISegment = gdi;
167 FreeLibrary16( user );
168 FreeLibrary16( gdi );
173 /***********************************************************************
174 * ToolHelpHook (KERNEL.341)
175 * see "Undocumented Windows"
177 FARPROC16 WINAPI ToolHelpHook16(FARPROC16 lpfnNotifyHandler)
181 FIXME("(%p), stub.\n", lpfnNotifyHandler);
183 HookNotify = lpfnNotifyHandler;
184 /* just return previously installed notification function */
189 /***********************************************************************
190 * CreateToolhelp32Snapshot (KERNEL32.179)
192 HANDLE WINAPI CreateToolhelp32Snapshot( DWORD flags, DWORD process )
196 TRACE("%lx,%lx\n", flags, process );
197 if (!(flags & (TH32CS_SNAPPROCESS|TH32CS_SNAPTHREAD|TH32CS_SNAPMODULE)))
199 FIXME("flags %lx not implemented\n", flags );
200 SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
201 return INVALID_HANDLE_VALUE;
204 /* Now do the snapshot */
207 struct create_snapshot_request *req = server_alloc_req( sizeof(*req), 0 );
208 req->flags = flags & ~TH32CS_INHERIT;
209 req->inherit = (flags & TH32CS_INHERIT) != 0;
210 req->pid = (void *)process;
211 server_call( REQ_CREATE_SNAPSHOT );
215 if (!ret) ret = INVALID_HANDLE_VALUE;
220 /***********************************************************************
221 * TOOLHELP_Thread32Next
223 * Implementation of Thread32First/Next
225 static BOOL TOOLHELP_Thread32Next( HANDLE handle, LPTHREADENTRY32 lpte, BOOL first )
229 if (lpte->dwSize < sizeof(THREADENTRY32))
231 SetLastError( ERROR_INSUFFICIENT_BUFFER );
232 ERR("Result buffer too small (req: %d, was: %ld)\n", sizeof(THREADENTRY32), lpte->dwSize);
237 struct next_thread_request *req = server_alloc_req( sizeof(*req), 0 );
238 req->handle = handle;
240 if ((ret = !server_call( REQ_NEXT_THREAD )))
242 lpte->cntUsage = req->count;
243 lpte->th32ThreadID = (DWORD)req->tid;
244 lpte->th32OwnerProcessID = (DWORD)req->pid;
245 lpte->tpBasePri = req->base_pri;
246 lpte->tpDeltaPri = req->delta_pri;
247 lpte->dwFlags = 0; /* SDK: "reserved; do not use" */
254 /***********************************************************************
255 * Thread32First (KERNEL32.686)
257 * Return info about the first thread in a toolhelp32 snapshot
259 BOOL WINAPI Thread32First(HANDLE hSnapshot, LPTHREADENTRY32 lpte)
261 return TOOLHELP_Thread32Next(hSnapshot, lpte, TRUE);
264 /***********************************************************************
265 * Thread32Next (KERNEL32.687)
267 * Return info about the "next" thread in a toolhelp32 snapshot
269 BOOL WINAPI Thread32Next(HANDLE hSnapshot, LPTHREADENTRY32 lpte)
271 return TOOLHELP_Thread32Next(hSnapshot, lpte, FALSE);
274 /***********************************************************************
275 * TOOLHELP_Process32Next
277 * Implementation of Process32First/Next
279 static BOOL TOOLHELP_Process32Next( HANDLE handle, LPPROCESSENTRY32 lppe, BOOL first )
283 if (lppe->dwSize < sizeof(PROCESSENTRY32))
285 SetLastError( ERROR_INSUFFICIENT_BUFFER );
286 ERR("Result buffer too small (req: %d, was: %ld)\n", sizeof(PROCESSENTRY32), lppe->dwSize);
291 struct next_process_request *req = server_alloc_req( sizeof(*req), 0 );
292 req->handle = handle;
294 if ((ret = !server_call( REQ_NEXT_PROCESS )))
296 lppe->cntUsage = req->count;
297 lppe->th32ProcessID = (DWORD)req->pid;
298 lppe->th32DefaultHeapID = 0; /* FIXME */
299 lppe->th32ModuleID = 0; /* FIXME */
300 lppe->cntThreads = req->threads;
301 lppe->th32ParentProcessID = 0; /* FIXME */
302 lppe->pcPriClassBase = req->priority;
303 lppe->dwFlags = -1; /* FIXME */
304 lppe->szExeFile[0] = 0; /* FIXME */
312 /***********************************************************************
313 * Process32First (KERNEL32.555)
315 * Return info about the first process in a toolhelp32 snapshot
317 BOOL WINAPI Process32First(HANDLE hSnapshot, LPPROCESSENTRY32 lppe)
319 return TOOLHELP_Process32Next( hSnapshot, lppe, TRUE );
322 /***********************************************************************
323 * Process32Next (KERNEL32.556)
325 * Return info about the "next" process in a toolhelp32 snapshot
327 BOOL WINAPI Process32Next(HANDLE hSnapshot, LPPROCESSENTRY32 lppe)
329 return TOOLHELP_Process32Next( hSnapshot, lppe, FALSE );
333 /***********************************************************************
334 * TOOLHELP_Module32Next
336 * Implementation of Module32First/Next
338 static BOOL TOOLHELP_Module32Next( HANDLE handle, LPMODULEENTRY32 lpme, BOOL first )
342 if (lpme->dwSize < sizeof (MODULEENTRY32))
344 SetLastError( ERROR_INSUFFICIENT_BUFFER );
345 ERR("Result buffer too small (req: %d, was: %ld)\n", sizeof(MODULEENTRY32), lpme->dwSize);
350 struct next_module_request *req = server_alloc_req( sizeof(*req), 0 );
351 req->handle = handle;
353 if ((ret = !server_call( REQ_NEXT_MODULE )))
355 lpme->th32ModuleID = 0; /* toolhelp internal id, never used */
356 lpme->th32ProcessID = (DWORD)req->pid;
357 lpme->GlblcntUsage = 0; /* FIXME */
358 lpme->ProccntUsage = 0; /* FIXME */
359 lpme->modBaseAddr = req->base;
360 lpme->modBaseSize = 0; /* FIXME */
361 lpme->hModule = (DWORD)req->base;
362 lpme->szModule[0] = 0; /* FIXME */
363 lpme->szExePath[0] = 0; /* FIXME */
370 /***********************************************************************
371 * Module32First (KERNEL32.527)
373 * Return info about the "first" module in a toolhelp32 snapshot
375 BOOL WINAPI Module32First(HANDLE hSnapshot, LPMODULEENTRY32 lpme)
377 return TOOLHELP_Module32Next( hSnapshot, lpme, TRUE );
380 /***********************************************************************
381 * Module32Next (KERNEL32.528)
383 * Return info about the "next" module in a toolhelp32 snapshot
385 BOOL WINAPI Module32Next(HANDLE hSnapshot, LPMODULEENTRY32 lpme)
387 return TOOLHELP_Module32Next( hSnapshot, lpme, FALSE );
390 /************************************************************************
391 * GlobalMasterHandle16 (KERNEL.28)
394 * Should return selector and handle of the information structure for
395 * the global heap. selector and handle are stored in the THHOOK as
396 * pGlobalHeap and hGlobalHeap.
397 * As Wine doesn't have this structure, we return both values as zero
398 * Applications should interpret this as "No Global Heap"
400 DWORD WINAPI GlobalMasterHandle16(void)