Initial commit

runtime/hook_manager.h

@@ -0,0 +1,40 @@
+#ifndef HOOK_MANAGER_H
+#define HOOK_MANAGER_H
+
+class HookedAPI
+{
+public:
+	HookedAPI();
+	bool Hook(void *api, void *handler, void **result);
+	void Unhook();
+	void *old_handler() const { return old_handler_; }
+private:
+	static size_t page_size_;
+	size_t size_;
+	void *api_;
+	void *old_handler_;
+	uint32_t crc_;
+};
+
+class HookManager
+{
+public:
+	HookManager();
+	void Begin();
+	void End();
+	void *HookAPI(HMODULE dll, const char *api_name, void *handler, bool show_error = true, void **result = NULL);
+	bool UnhookAPI(void * handler);
+private:
+	HookManager(const HookManager &src);
+	HookManager & operator = (const HookManager &);// block the assignment operator
+	void GetThreads();
+	void SuspendThreads();
+	void ResumeThreads();
+	void FreeThreads();
+
+	vector<HookedAPI *> api_list_;
+	vector<HANDLE> thread_list_;
+	size_t update_count_;
+};
+
+#endif