Joseph eahydra

eahydra / pe_checksum.c

Created September 19, 2012 05:03

pe file checksum

	unsigned short ChkSum(unsigned int CheckSum, void *FileBase, int Length)
	{

	int *Data;
	int sum;

	if ( Length && FileBase != NULL)
	{
	Data = (int *)FileBase;
	do

eahydra / open_registry.c

Created September 19, 2012 05:09

open registry by regedit.exe automation

	BOOL TerminateProcessByPid(DWORD Pid)
	{
	BOOL Result = FALSE;
	HANDLE ProcessHandle = OpenProcess(PROCESS_ALL_ACCESS, FALSE, Pid);
	if (ProcessHandle != NULL)
	{
	Result = TerminateProcess(ProcessHandle, 0);
	CloseHandle(ProcessHandle);
	}

eahydra / network_change.cpp

Created September 19, 2012 05:12

network change

	class CNetworkListManagerEvent : public INetworkListManagerEvents
	{
	public:
	CNetworkListManagerEvent() : m_ref(1)
	{

	}

	~CNetworkListManagerEvent()
	{

eahydra / network_change_by_nla_socket.cpp

Created September 19, 2012 05:14

network change 2

	void WaitForNetworkChnages()
	{

	WSAQUERYSET querySet = {0};
	querySet.dwSize = sizeof(WSAQUERYSET);
	querySet.dwNameSpace = NS_NLA;

	HANDLE LookupHandle = NULL;
	WSALookupServiceBegin(&querySet, LUP_RETURN_ALL, &LookupHandle);
	DWORD BytesReturned = 0;

eahydra / save_icon_to_file.cpp

Created September 20, 2012 04:43

save icon to file

	bool SaveImageListToFile(HIMAGELIST hImageList, const TCHAR* FilePath)
	{
	if (hImageList != NULL)
	{
	::DeleteFile(FilePath);

	IStorage *pStorage = NULL;
	HRESULT hr = StgCreateStorageEx(FilePath,
	STGM_CREATE\|STGM_WRITE\|STGM_SHARE_EXCLUSIVE,
	STGFMT_DOCFILE,

eahydra / task_thread_pool.cpp

Last active December 14, 2015 14:18

A task thread pool Demo. Just create some thread, and then poll task.

	#include "task_thread_pool.hpp"
	#include <assert.h>
	#include <ustd/thread/guard.h>

	namespace wx {
	namespace utility {

	task_thread_pool_t::task_thread_pool_t() : current_task_thread_(0) {}

	task_thread_pool_t::~task_thread_pool_t()

eahydra / async_extend.hpp

Last active December 14, 2015 17:28

	#ifndef ASYNC_EXTEND_HPP_
	#define ASYNC_EXTEND_HPP_

	#include <future>

	namespace base {
	namespace detail {
	template<typename future_t, typename handler_t>
	struct async_helper {
	static auto async_impl(std::launch::launch policy, future_t f, handler_t&& handler, std::true_type)->std::future<decltype(handler(f))>

eahydra / error_code.hpp

Created March 9, 2013 03:02

	#ifndef ERROR_CODE_HPP_
	#define ERROR_CODE_HPP_

	// define self error code
	namespace base {
	enum system_error_t {
	kAccessDenied = ERROR_ACCESS_DENIED,
	};

	class system_category_t : public std::error_category {

eahydra / scope_exit.hpp

Created March 9, 2013 06:24

eahydra / task_thread_pool.cpp

Last active July 26, 2019 09:38

a task thread pool base on Windows IOCP. Support asynchronous task with closure and timer.