kevinlynx kevinlynx

kevinlynx / thread_id_pool.cpp

Last active February 16, 2018 06:33

simple read/write thread memory gc

	#include "thread_id_pool.h"
	#include <pthread.h>
	#include <assert.h>

	static pthread_key_t s_tkey;
	static pthread_once_t s_tkey_once;

	static void freeKey(void *p)
	{
	ThreadIdPool::TVal val = (ThreadIdPool::TVal) p;

kevinlynx / dummy_httpd.py

Created March 3, 2015 06:49

create a dummy tcp/http server in python to accept connections only, which can be used in unittest, to mock a tcp/http server

	# dummy_httpd.py
	# based on python 2.7
	import BaseHTTPServer
	from BaseHTTPServer import BaseHTTPRequestHandler
	from SocketServer import ThreadingMixIn
	import threading
	import time

	class ThreadedHTTPServer(ThreadingMixIn, BaseHTTPServer.HTTPServer):
	daemon_threads = True

kevinlynx / stl-data-impl.cpp

Created November 21, 2014 12:35

	#include <stdio.h>
	#include <string>
	#include <map>
	#include <vector>
	#include <list>

	void ds_str_i(void *p) {
	char raw = (char)p;
	char s = raw;
	size_t len = (size_t)(s - sizeof(size_t) * 3);

kevinlynx / Makefile

Last active August 29, 2015 14:07

thread-tls-bug https://sourceware.org/bugzilla/show_bug.cgi?id=13862

	all:
	g++ -o thread -g -Wall -lpthread -ldl thread.cpp -DTEST_DTV_OVERFLOW
	g++ -rdynamic -shared -fPIC dso_shared.cc -o shared.so
	mkdir -p so
	for i in 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19; do cp shared.so so/shared-$$i.so; done

	clean:
	rm .so so/.so

kevinlynx / localfn.cpp

Last active August 29, 2015 14:04

define local function in c++

	#define deflocal(name, ret, body) \
	struct name { \
	ret operator() body \
	}

	#define callocal(name) name()

	int main() {
	// example
	deflocal(hello, char, (const char from, const char *to) {

kevinlynx / threadpool-dynamic.hpp

Created May 19, 2014 15:33


	_status :
	HANGUP, // nothing to do
	INCING, // increasing threads
	DECING, // decreasing threads


	manager_thread_proc {
	while (_run) {
	CondtionLock guard(ctrlCond);

kevinlynx / smooth.js

Created May 13, 2014 10:30

	$('#container').highcharts({
	chart: {
	zoomType: 'x'
	},
	title: {
	text: 'service latency sample'
	},
	subtitle: {
	text: document.ontouchstart === undefined ?
	'Click and drag in the plot area to zoom in' :

kevinlynx / actor.cpp

Last active August 29, 2015 14:01

actor model

	class Printer : public Theron::Actor
	{
	public:

	// Constructor, passes the framework to the baseclass.
	Printer(Theron::Framework &framework) : Theron::Actor(framework)
	{
	// Register the message handler.
	RegisterHandler(this, &Printer::Print);
	}

kevinlynx / futureList.scala

Created May 8, 2014 13:25

	package lichecker

	import scala.concurrent._
	import scala.concurrent.duration.Duration
	import ExecutionContext.Implicits.global
	import com.codemacro.AsyncTask

	object FutureList {

	def run[T, T2](args: List[T], fn: => T => T2, max: Int): List[T2] = {

kevinlynx / reverse-str.c

Created April 5, 2014 15:32