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 /***********************************************************************
43 BOOL16 WINAPI NotifyRegister16( HTASK16 htask, FARPROC16 lpfnCallback,
48 TRACE("(%x,%lx,%x) called.\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 /***********************************************************************
73 BOOL16 WINAPI NotifyUnregister16( HTASK16 htask )
77 TRACE("(%x) called.\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 * StackTraceCSIPFirst16
94 BOOL16 WINAPI StackTraceCSIPFirst16(STACKTRACEENTRY *ste, WORD wSS, WORD wCS, WORD wIP, WORD wBP)
99 /***********************************************************************
102 BOOL16 WINAPI StackTraceFirst16(STACKTRACEENTRY *ste, HTASK16 Task)
107 /***********************************************************************
110 BOOL16 WINAPI StackTraceNext16(STACKTRACEENTRY *ste)
115 /***********************************************************************
116 * InterruptRegister16
118 BOOL16 WINAPI InterruptRegister16( HTASK16 task, FARPROC callback )
123 /***********************************************************************
124 * InterruptUnRegister16
126 BOOL16 WINAPI InterruptUnRegister16( HTASK16 task )
131 /***********************************************************************
132 * ToolHelpHook (KERNEL.341)
133 * see "Undocumented Windows"
135 FARPROC16 WINAPI ToolHelpHook16(FARPROC16 lpfnNotifyHandler)
139 HookNotify = lpfnNotifyHandler;
140 /* just return previously installed notification function */
145 /***********************************************************************
146 * CreateToolhelp32Snapshot (KERNEL32.179)
148 HANDLE WINAPI CreateToolhelp32Snapshot( DWORD flags, DWORD process )
150 struct create_snapshot_request *req = get_req_buffer();
152 TRACE("%lx,%lx\n", flags, process );
153 if (flags & (TH32CS_SNAPHEAPLIST|TH32CS_SNAPMODULE|TH32CS_SNAPTHREAD))
154 FIXME("flags %lx not implemented\n", flags );
155 if (!(flags & TH32CS_SNAPPROCESS))
157 SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
158 return INVALID_HANDLE_VALUE;
161 /* Now do the snapshot */
162 req->flags = flags & ~TH32CS_INHERIT;
163 req->inherit = (flags & TH32CS_INHERIT) != 0;
164 server_call( REQ_CREATE_SNAPSHOT );
169 /***********************************************************************
170 * Thread32First (KERNEL32.686)
172 * Return info about the first thread in a toolhelp32 snapshot
174 BOOL WINAPI Thread32First(HANDLE hSnapshot, LPTHREADENTRY lpte)
179 FIXME("(%d,%p),stub!\n",hSnapshot,lpte);
183 /***********************************************************************
184 * Thread32Next (KERNEL32.687)
186 * Return info about the "next" thread in a toolhelp32 snapshot
188 BOOL WINAPI Thread32Next(HANDLE hSnapshot, LPTHREADENTRY lpte)
193 FIXME("(%d,%p),stub!\n",hSnapshot,lpte);
197 /***********************************************************************
198 * TOOLHELP_Process32Next
200 * Implementation of Process32First/Next
202 static BOOL TOOLHELP_Process32Next( HANDLE handle, LPPROCESSENTRY lppe, BOOL first )
204 struct next_process_request *req = get_req_buffer();
206 if (lppe->dwSize < sizeof (PROCESSENTRY))
208 SetLastError( ERROR_INSUFFICIENT_BUFFER );
209 ERR("Result buffer too small\n");
212 req->handle = handle;
214 if (server_call( REQ_NEXT_PROCESS )) return FALSE;
216 lppe->th32ProcessID = (DWORD)req->pid;
217 lppe->th32DefaultHeapID = 0; /* FIXME */
218 lppe->th32ModuleID = 0; /* FIXME */
219 lppe->cntThreads = req->threads;
220 lppe->th32ParentProcessID = 0; /* FIXME */
221 lppe->pcPriClassBase = req->priority;
222 lppe->dwFlags = -1; /* FIXME */
223 lppe->szExeFile[0] = 0; /* FIXME */
228 /***********************************************************************
229 * Process32First (KERNEL32.555)
231 * Return info about the first process in a toolhelp32 snapshot
233 BOOL WINAPI Process32First(HANDLE hSnapshot, LPPROCESSENTRY lppe)
235 return TOOLHELP_Process32Next( hSnapshot, lppe, TRUE );
238 /***********************************************************************
239 * Process32Next (KERNEL32.556)
241 * Return info about the "next" process in a toolhelp32 snapshot
243 BOOL WINAPI Process32Next(HANDLE hSnapshot, LPPROCESSENTRY lppe)
245 return TOOLHELP_Process32Next( hSnapshot, lppe, FALSE );
248 /***********************************************************************
249 * Module32First (KERNEL32.527)
251 * Return info about the "first" module in a toolhelp32 snapshot
253 BOOL WINAPI Module32First(HANDLE hSnapshot, LPMODULEENTRY lpme)
255 FIXME("(%d,%p),stub!\n",hSnapshot,lpme);
259 /***********************************************************************
260 * Module32Next (KERNEL32.528)
262 * Return info about the "next" module in a toolhelp32 snapshot
264 BOOL WINAPI Module32Next(HANDLE hSnapshot, LPMODULEENTRY lpme)
266 FIXME("(%d,%p),stub!\n",hSnapshot,lpme);
270 /************************************************************************
271 * GlobalMasterHandle16 (KERNEL.28)
274 * Should return selector and handle of the information structure for
275 * the global heap. selector and handle are stored in the THHOOK as
276 * pGlobalHeap and hGlobalHeap.
277 * As Wine doesn't have this structure, we return both values as zero
278 * Applications should interpret this as "No Global Heap"
280 DWORD WINAPI GlobalMasterHandle16(void)