Xue Liu xueliu

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xueliu / ci40_boot_log.txt

Created September 10, 2019 19:29

	Sat Jan 31 06:22:30 1970 kern.notice kernel: [ 0.000000] Linux version 4.4.14 (build@7e42c4b42298) (gcc version 5.3.0 (OpenWrt GCC 5.3.0 v1.1.0) ) #3 SMP Tue Feb 14 20:33:07 UTC 2017
	Sat Jan 31 06:22:30 1970 kern.info kernel: [ 0.000000] SoC Type: IMG Pistachio SoC (B0)
	Sat Jan 31 06:22:30 1970 kern.info kernel: [ 0.000000] bootconsole [early0] enabled
	Sat Jan 31 06:22:30 1970 kern.info kernel: [ 0.000000] CPU0 revision is: 0001a120 (MIPS interAptiv (multi))
	Sat Jan 31 06:22:30 1970 kern.info kernel: [ 0.000000] FPU revision is: 0173a000
	Sat Jan 31 06:22:30 1970 kern.info kernel: [ 0.000000] MIPS: machine is IMG marduk - Creator Ci40 with ca8210
	Sat Jan 31 06:22:30 1970 kern.info kernel: [ 0.000000] Determined physical RAM map:
	Sat Jan 31 06:22:30 1970 kern.info kernel: [ 0.000000] memory: 10000000 @ 00000000 (usable)
	Sat Jan 31 06:22:30 1970 kern.info kernel: [ 0.000000] Initrd not found or empty - disabling initrd
	Sat Jan 31 06:22:30 1970 kern.info kernel: [ 0.000000] Zone ran

xueliu / delegate.hpp

Last active April 29, 2019 13:31

http://blog.coldflake.com/posts/C++-delegates-on-steroids/ https://github.com/marcmo/delegates 1. only c++11 2. only one delegate function

	#ifndef _DELEGATE_H_
	#define _DELEGATE_H_

	/**
	* non specialized template declaration for delegate
	*/
	template <typename T>
	class delegate;

	/**

xueliu / delegate.hpp

Last active April 29, 2019 09:27

https://gist.github.com/sim642/4525268

	#ifndef DELEGATE_HPP_INCLUDED
	#define DELEGATE_HPP_INCLUDED

	#include <functional>
	#include <vector>

	// general case
	template<typename R, typename... Args>
	class delegate
	{

xueliu / circular.cpp

Last active January 2, 2022 14:36

STL风格的ring buffer实现

	/******************************************************************************
	* $Id: $
	* $Name: $
	*
	* Author: Pete Goodliffe
	*
	* ----------------------------------------------------------------------------
	* Copyright 2002 Pete Goodliffe All rights reserved.
	*
	* ----------------------------------------------------------------------------

xueliu / construct_tag

Created February 1, 2019 09:51

make_shared (and make_unique) for classes with private constructors

	class Test
	{
	private:
	struct _constructor_tag { explicit _constructor_tag() = default; };

	public:
	Test(_constructor_tag) {}

	static unique_ptr<Test> factory()
	{

xueliu / termios_dbg.c

Created May 16, 2018 14:51 — forked from erichschroeter/termios_dbg.c

Debug statements for termios struct.

	#include <stdio.h>
	#include <sys/ioctl.h>

	#include "termios_dbg.h"

	#define CHECK_BIT(var, pos) ((var) & (1<<(pos)))

	void ptermios_iflag(struct termios *tty)
	{
	printf("c_iflag=0x%x\n", tty->c_iflag);

xueliu / termios_dbg.c

Created May 16, 2018 14:51 — forked from erichschroeter/termios_dbg.c

Debug statements for termios struct.

	#include <stdio.h>
	#include <sys/ioctl.h>

	#include "termios_dbg.h"

	#define CHECK_BIT(var, pos) ((var) & (1<<(pos)))

	void ptermios_iflag(struct termios *tty)
	{
	printf("c_iflag=0x%x\n", tty->c_iflag);

xueliu / function_signal_handler.cpp

Created May 2, 2018 14:26

using std::function to provide signal handler

	#include <functional>
	#include <iostream>

	namespace {
	std::function<void(int)> shutdown_handler;
	void signal_handler(int signal) { shutdown_handler(signal); }
	} // namespace

	int main(int argc, char *argv[]) {
	std::signal(SIGINT, signal_handler);