Marcelo Magallon mem

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mem / readers_writers_channels.go

Created January 17, 2016 23:14

	package main

	import (
	"fmt"
	"sync"
	"time"
	)

	type RWMutex struct {
	qr chan struct{} // queue of readers

mem / next-wrapper

Created November 17, 2015 01:37

Next command wrapper

	#!/bin/sh
	get_next() {
	IFS=:
	id=$(stat -c '%D:%i' "$1")
	prg=
	name=$(basename "$0")
	for p in $PATH ; do
	n="$p/$name"
	if test -e "$n" ; then
	nid=$(stat -c '%D:%i' "$n")

mem / gist:7e989639e6204e687987

Created February 3, 2015 19:44

Look for process pid by command line without forking

	needle=/usr/lib/chromium/chromium
	cd /proc
	for pid in * ; do
	if test -e "$pid/cmdline" ; then
	read cmd rest < $pid/cmdline
	if test "$cmd" = "$needle" ; then
	echo $pid
	fi
	esac
	done

mem / endo.cc

Created August 25, 2014 17:34

NeedsObject needs an instance of Object. In order to manage the scope of the Object instance, a class is derived from NeedsObject and it's put in charge of the Object instance lifetime. This allows the creation of another class for testing purposes.

	class Object {
	public:
	Object() { }

	virtual ~Object() { }
	};

	class NeedsObject {
	protected:
	NeedsObject(Object *object) : object(object) { }

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