3 * KERNEL32.DLL toolhelp functions
5 * COPYRIGHT: See COPYING in the top level directory
6 * PROJECT: ReactOS system libraries
7 * FILE: lib/kernel32/misc/toolhelp.c
8 * PURPOSE: Toolhelp functions
9 * PROGRAMMER: Robert Dickenson (robd@mok.lvcm.com)
11 * Created 05 January 2003
18 #define CHECK_PARAM_SIZE(ptr, siz) \
19 if (!ptr || ptr->dwSize != siz) { \
20 SetLastError(ERROR_INVALID_PARAMETER); \
26 Heap32First(LPHEAPENTRY32 lphe, DWORD th32ProcessID, DWORD th32HeapID)
28 CHECK_PARAM_SIZE(lphe, sizeof(HEAPENTRY32));
30 SetLastError(ERROR_NO_MORE_FILES);
35 Heap32Next(LPHEAPENTRY32 lphe)
38 typedef struct tagHEAPENTRY32 {
48 } HEAPENTRY32,*PHEAPENTRY32,*LPHEAPENTRY32;
50 SetLastError(ERROR_NO_MORE_FILES);
55 Heap32ListFirst(HANDLE hSnapshot, LPHEAPLIST32 lphl)
57 CHECK_PARAM_SIZE(lphl, sizeof(HEAPLIST32));
59 SetLastError(ERROR_NO_MORE_FILES);
64 Heap32ListNext(HANDLE hSnapshot, LPHEAPLIST32 lph1)
67 typedef struct tagHEAPLIST32 {
72 } HEAPLIST32,*PHEAPLIST32,*LPHEAPLIST32;
74 SetLastError(ERROR_NO_MORE_FILES);
79 Module32First(HANDLE hSnapshot, LPMODULEENTRY32 lpme)
81 CHECK_PARAM_SIZE(lpme, sizeof(MODULEENTRY32));
83 SetLastError(ERROR_NO_MORE_FILES);
88 Module32FirstW(HANDLE hSnapshot, LPMODULEENTRY32W lpme)
90 CHECK_PARAM_SIZE(lpme, sizeof(MODULEENTRY32W));
92 SetLastError(ERROR_NO_MORE_FILES);
97 Module32Next(HANDLE hSnapshot, LPMODULEENTRY32 lpme)
100 typedef struct tagMODULEENTRY32 {
109 char szModule[MAX_MODULE_NAME32 + 1];
110 char szExePath[MAX_PATH];
111 } MODULEENTRY32,*PMODULEENTRY32,*LPMODULEENTRY32;
113 SetLastError(ERROR_NO_MORE_FILES);
118 Module32NextW(HANDLE hSnapshot, LPMODULEENTRY32W lpme)
121 typedef struct tagMODULEENTRY32W {
130 WCHAR szModule[MAX_MODULE_NAME32 + 1];
131 WCHAR szExePath[MAX_PATH];
132 } MODULEENTRY32W,*PMODULEENTRY32W,*LPMODULEENTRY32W;
135 SetLastError(ERROR_NO_MORE_FILES);
140 Process32First(HANDLE hSnapshot, LPPROCESSENTRY32 lppe)
142 CHECK_PARAM_SIZE(lppe, sizeof(PROCESSENTRY32));
144 SetLastError(ERROR_NO_MORE_FILES);
149 Process32Next(HANDLE hSnapshot, LPPROCESSENTRY32 lppe)
152 typedef struct tagPROCESSENTRY32 {
156 DWORD th32DefaultHeapID;
159 DWORD th32ParentProcessID;
162 CHAR szExeFile[MAX_PATH];
163 } PROCESSENTRY32,*PPROCESSENTRY32,*LPPROCESSENTRY32;
165 SetLastError(ERROR_NO_MORE_FILES);
170 Process32FirstW(HANDLE hSnapshot, LPPROCESSENTRY32W lppe)
172 CHECK_PARAM_SIZE(lppe, sizeof(PROCESSENTRY32W));
174 SetLastError(ERROR_NO_MORE_FILES);
179 Process32NextW(HANDLE hSnapshot, LPPROCESSENTRY32W lppe)
182 typedef struct tagPROCESSENTRY32W {
186 DWORD th32DefaultHeapID;
189 DWORD th32ParentProcessID;
192 WCHAR szExeFile[MAX_PATH];
193 } PROCESSENTRY32W,*PPROCESSENTRY32W,*LPPROCESSENTRY32W;
195 SetLastError(ERROR_NO_MORE_FILES);
200 BOOL WINAPI Thread32First(HANDLE hSnapshot, LPTHREADENTRY32 lpte)
202 CHECK_PARAM_SIZE(lpte, sizeof(THREADENTRY32));
204 SetLastError(ERROR_NO_MORE_FILES);
208 BOOL WINAPI Thread32Next(HANDLE hSnapshot, LPTHREADENTRY32 lpte)
211 typedef struct tagTHREADENTRY32 {
215 DWORD th32OwnerProcessID;
219 } THREADENTRY32,*PTHREADENTRY32,*LPTHREADENTRY32;
221 SetLastError(ERROR_NO_MORE_FILES);
226 Toolhelp32ReadProcessMemory(DWORD th32ProcessID,
227 LPCVOID lpBaseAddress, LPVOID lpBuffer,
228 DWORD cbRead, LPDWORD lpNumberOfBytesRead)
230 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
235 #define TL_DEV_NAME L"\\??\\TlHelpDevice"
238 CreateToolhelp32Snapshot(DWORD dwFlags, DWORD th32ProcessID)
240 // return open handle to snapshot on success, -1 on failure
241 // the snapshot handle behavies like an object handle
242 SECURITY_ATTRIBUTES sa;
243 HANDLE hSnapshot = (HANDLE)-1;
245 sa.nLength = sizeof(SECURITY_ATTRIBUTES);
247 if (dwFlags & TH32CS_INHERIT) {
249 if (dwFlags & TH32CS_SNAPHEAPLIST) {
251 if (dwFlags & TH32CS_SNAPMODULE) {
253 if (dwFlags & TH32CS_SNAPPROCESS) {
255 if (dwFlags & TH32CS_SNAPTHREAD) {
257 hSnapshot = CreateFileW(TL_DEV_NAME,
258 GENERIC_READ, FILE_SHARE_READ + FILE_SHARE_WRITE,
259 &sa, OPEN_EXISTING, 0L/*FILE_ATTRIBUTE_SYSTEM*/, 0);
260 if (hSnapshot != INVALID_HANDLE_VALUE) {
263 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
265 // caller must use CloseHandle to destroy the returned snapshot handle
270 #if 0 /* extracted from mingw tlhelp32.h for easy reference while working above */
272 #define HF32_DEFAULT 1
273 #define HF32_SHARED 2
274 #define LF32_FIXED 0x1
275 #define LF32_FREE 0x2
276 #define LF32_MOVEABLE 0x4
277 #define MAX_MODULE_NAME32 255
278 #define TH32CS_SNAPHEAPLIST 0x1
279 #define TH32CS_SNAPPROCESS 0x2
280 #define TH32CS_SNAPTHREAD 0x4
281 #define TH32CS_SNAPMODULE 0x8
282 #define TH32CS_SNAPALL (TH32CS_SNAPHEAPLIST|TH32CS_SNAPPROCESS|TH32CS_SNAPTHREAD|TH32CS_SNAPMODULE)
283 #define TH32CS_INHERIT 0x80000000
285 BOOL WINAPI Heap32First(LPHEAPENTRY32,DWORD,DWORD);
286 BOOL WINAPI Heap32ListFirst(HANDLE,LPHEAPLIST32);
287 BOOL WINAPI Heap32ListNext(HANDLE,LPHEAPLIST32);
288 BOOL WINAPI Heap32Next(LPHEAPENTRY32);
289 BOOL WINAPI Module32First(HANDLE,LPMODULEENTRY32);
290 BOOL WINAPI Module32FirstW(HANDLE,LPMODULEENTRY32W);
291 BOOL WINAPI Module32Next(HANDLE,LPMODULEENTRY32);
292 BOOL WINAPI Module32NextW(HANDLE,LPMODULEENTRY32W);
293 BOOL WINAPI Process32First(HANDLE,LPPROCESSENTRY32);
294 BOOL WINAPI Process32FirstW(HANDLE,LPPROCESSENTRY32W);
295 BOOL WINAPI Process32Next(HANDLE,LPPROCESSENTRY32);
296 BOOL WINAPI Process32NextW(HANDLE,LPPROCESSENTRY32W);
297 BOOL WINAPI Thread32First(HANDLE,LPTHREADENTRY32);
298 BOOL WINAPI Thread32Next(HANDLE,LPTHREADENTRY32);
299 BOOL WINAPI Toolhelp32ReadProcessMemory(DWORD,LPCVOID,LPVOID,DWORD,LPDWORD);
300 HANDLE WINAPI CreateToolhelp32Snapshot(DWORD,DWORD);
303 #define LPMODULEENTRY32 LPMODULEENTRY32W
304 #define LPPROCESSENTRY32 LPPROCESSENTRY32W
305 #define MODULEENTRY32 MODULEENTRY32W
306 #define Module32First Module32FirstW
307 #define Module32Next Module32NextW
308 #define PMODULEENTRY32 PMODULEENTRY32W
309 #define PPROCESSENTRY32 PPROCESSENTRY32W
310 #define PROCESSENTRY32 PROCESSENTRY32W
311 #define Process32First Process32FirstW
312 #define Process32Next Process32NextW