2 * Misc Toolhelp functions
4 * Copyright 1996 Marcus Meissner
24 /* The K32 snapshot object object */
30 /* FIXME: to make this working, we have to callback all these registered
31 * functions from all over the WINE code. Someone with more knowledge than
32 * me please do that. -Marcus
37 FARPROC16 lpfnCallback;
41 static int nrofnotifys = 0;
43 static FARPROC16 HookNotify = NULL;
45 BOOL16 WINAPI NotifyRegister( HTASK16 htask, FARPROC16 lpfnCallback,
50 TRACE(toolhelp, "(%x,%lx,%x) called.\n",
51 htask, (DWORD)lpfnCallback, wFlags );
52 if (!htask) htask = GetCurrentTask();
53 for (i=0;i<nrofnotifys;i++)
54 if (notifys[i].htask==htask)
58 notifys=(struct notify*)HeapAlloc( SystemHeap, 0,
59 sizeof(struct notify) );
61 notifys=(struct notify*)HeapReAlloc( SystemHeap, 0, notifys,
62 sizeof(struct notify)*(nrofnotifys+1));
63 if (!notifys) return FALSE;
66 notifys[i].htask=htask;
67 notifys[i].lpfnCallback=lpfnCallback;
68 notifys[i].wFlags=wFlags;
72 BOOL16 WINAPI NotifyUnregister( HTASK16 htask )
76 TRACE(toolhelp, "(%x) called.\n", htask );
77 if (!htask) htask = GetCurrentTask();
78 for (i=nrofnotifys;i--;)
79 if (notifys[i].htask==htask)
83 memcpy(notifys+i,notifys+(i+1),sizeof(struct notify)*(nrofnotifys-i-1));
84 notifys=(struct notify*)HeapReAlloc( SystemHeap, 0, notifys,
85 (nrofnotifys-1)*sizeof(struct notify));
90 BOOL16 WINAPI StackTraceCSIPFirst(STACKTRACEENTRY *ste, WORD wSS, WORD wCS, WORD wIP, WORD wBP)
95 BOOL16 WINAPI StackTraceFirst(STACKTRACEENTRY *ste, HTASK16 Task)
100 BOOL16 WINAPI StackTraceNext(STACKTRACEENTRY *ste)
105 /***********************************************************************
106 * ToolHelpHook (KERNEL.341)
107 * see "Undocumented Windows"
109 FARPROC16 WINAPI ToolHelpHook(FARPROC16 lpfnNotifyHandler)
113 HookNotify = lpfnNotifyHandler;
114 /* just return previously installed notification function */
119 /***********************************************************************
120 * CreateToolHelp32Snapshot (KERNEL32.179)
122 HANDLE32 WINAPI CreateToolhelp32Snapshot( DWORD flags, DWORD process )
124 SNAPSHOT_OBJECT *snapshot;
125 struct create_snapshot_request req;
126 struct create_snapshot_reply reply;
128 TRACE( toolhelp, "%lx,%lx\n", flags, process );
129 if (flags & (TH32CS_SNAPHEAPLIST|TH32CS_SNAPMODULE|TH32CS_SNAPTHREAD))
130 FIXME( toolhelp, "flags %lx not implemented\n", flags );
131 if (!(flags & TH32CS_SNAPPROCESS))
133 SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
134 return INVALID_HANDLE_VALUE32;
136 /* Now do the snapshot */
137 if (!(snapshot = HeapAlloc( SystemHeap, 0, sizeof(*snapshot) )))
138 return INVALID_HANDLE_VALUE32;
139 snapshot->header.type = K32OBJ_TOOLHELP_SNAPSHOT;
140 snapshot->header.refcount = 1;
142 req.flags = flags & ~TH32CS_INHERIT;
143 req.inherit = (flags & TH32CS_INHERIT) != 0;
144 CLIENT_SendRequest( REQ_CREATE_SNAPSHOT, -1, 1, &req, sizeof(req) );
145 if (CLIENT_WaitSimpleReply( &reply, sizeof(reply), NULL ))
147 HeapFree( SystemHeap, 0, snapshot );
148 return INVALID_HANDLE_VALUE32;
150 return HANDLE_Alloc( PROCESS_Current(), &snapshot->header, 0, req.inherit, reply.handle );
154 /***********************************************************************
155 * TOOLHELP_Process32Next
157 * Implementation of Process32First/Next
159 static BOOL32 TOOLHELP_Process32Next( HANDLE32 handle, LPPROCESSENTRY32 lppe, BOOL32 first )
161 struct next_process_request req;
162 struct next_process_reply reply;
164 if (lppe->dwSize < sizeof (PROCESSENTRY32))
166 SetLastError( ERROR_INSUFFICIENT_BUFFER );
167 ERR (toolhelp, "Result buffer too small\n");
170 if ((req.handle = HANDLE_GetServerHandle( PROCESS_Current(), handle,
171 K32OBJ_TOOLHELP_SNAPSHOT, 0 )) == -1)
174 CLIENT_SendRequest( REQ_NEXT_PROCESS, -1, 1, &req, sizeof(req) );
175 if (CLIENT_WaitSimpleReply( &reply, sizeof(reply), NULL )) return FALSE;
177 lppe->th32ProcessID = (DWORD)reply.pid;
178 lppe->th32DefaultHeapID = 0; /* FIXME */
179 lppe->th32ModuleID = 0; /* FIXME */
180 lppe->cntThreads = reply.threads;
181 lppe->th32ParentProcessID = 0; /* FIXME */
182 lppe->pcPriClassBase = reply.priority;
183 lppe->dwFlags = -1; /* FIXME */
184 lppe->szExeFile[0] = 0; /* FIXME */
189 /***********************************************************************
190 * Process32First (KERNEL32.555)
192 * Return info about the first process in a toolhelp32 snapshot
194 BOOL32 WINAPI Process32First(HANDLE32 hSnapshot, LPPROCESSENTRY32 lppe)
196 return TOOLHELP_Process32Next( hSnapshot, lppe, TRUE );
199 /***********************************************************************
200 * Process32Next (KERNEL32.556)
202 * Return info about the "next" process in a toolhelp32 snapshot
204 BOOL32 WINAPI Process32Next(HANDLE32 hSnapshot, LPPROCESSENTRY32 lppe)
206 return TOOLHELP_Process32Next( hSnapshot, lppe, FALSE );