+HANDLE (WINAPI *lpfCreateToolhelp32Snapshot)(DWORD,DWORD) ;
+BOOL (WINAPI *lpfProcess32First)(HANDLE,LPPROCESSENTRY32) ;
+BOOL (WINAPI *lpfProcess32Next)(HANDLE,LPPROCESSENTRY32) ;
+
+static void InitToolHelp32()
+{
+ static bool s_initToolHelpDone = false;
+
+ if (s_initToolHelpDone)
+ return;
+
+ s_initToolHelpDone = true;
+
+ lpfCreateToolhelp32Snapshot = NULL;
+ lpfProcess32First = NULL;
+ lpfProcess32Next = NULL;
+
+ HINSTANCE hInstLib = LoadLibrary( wxT("Kernel32.DLL") ) ;
+ if( hInstLib == NULL )
+ return ;
+
+ // Get procedure addresses.
+ // We are linking to these functions of Kernel32
+ // explicitly, because otherwise a module using
+ // this code would fail to load under Windows NT,
+ // which does not have the Toolhelp32
+ // functions in the Kernel 32.
+ lpfCreateToolhelp32Snapshot=
+ (HANDLE(WINAPI *)(DWORD,DWORD))
+ GetProcAddress( hInstLib,
+#ifdef __WXWINCE__
+ wxT("CreateToolhelp32Snapshot")
+#else
+ "CreateToolhelp32Snapshot"
+#endif
+ ) ;
+
+ lpfProcess32First=
+ (BOOL(WINAPI *)(HANDLE,LPPROCESSENTRY32))
+ GetProcAddress( hInstLib,
+#ifdef __WXWINCE__
+ wxT("Process32First")
+#else
+ "Process32First"
+#endif
+ ) ;
+
+ lpfProcess32Next=
+ (BOOL(WINAPI *)(HANDLE,LPPROCESSENTRY32))
+ GetProcAddress( hInstLib,
+#ifdef __WXWINCE__
+ wxT("Process32Next")
+#else
+ "Process32Next"
+#endif
+ ) ;
+
+ FreeLibrary( hInstLib ) ;
+}
+
+// By John Skiff
+int wxKillAllChildren(long pid, wxSignal sig, wxKillError *krc)
+{
+ InitToolHelp32();
+
+ if (krc)
+ *krc = wxKILL_OK;
+
+ // If not implemented for this platform (e.g. NT 4.0), silently ignore
+ if (!lpfCreateToolhelp32Snapshot || !lpfProcess32First || !lpfProcess32Next)
+ return 0;
+
+ // Take a snapshot of all processes in the system.
+ HANDLE hProcessSnap = lpfCreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
+ if (hProcessSnap == INVALID_HANDLE_VALUE) {
+ if (krc)
+ *krc = wxKILL_ERROR;
+ return -1;
+ }
+
+ //Fill in the size of the structure before using it.
+ PROCESSENTRY32 pe = {0};
+ pe.dwSize = sizeof(PROCESSENTRY32);
+
+ // Walk the snapshot of the processes, and for each process,
+ // kill it if its parent is pid.
+ if (!lpfProcess32First(hProcessSnap, &pe)) {
+ // Can't get first process.
+ if (krc)
+ *krc = wxKILL_ERROR;
+ CloseHandle (hProcessSnap);
+ return -1;
+ }
+
+ do {
+ if (pe.th32ParentProcessID == (DWORD) pid) {
+ if (wxKill(pe.th32ProcessID, sig, krc))
+ return -1;
+ }
+ } while (lpfProcess32Next (hProcessSnap, &pe));
+
+
+ return 0;
+}
+
projects / wxWidgets.git / blobdiff