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cat <<'EOFFILE' >/usr/local/bin/rrd-backup
#!/bin/sh
set -e

mkdir -p /usr/local/share/rrd

cd /tmp
chsum_prev=`tar -cf - rrd | md5sum`
while true; do
    chsum=`tar -cf - rrd | tee rrd.tar | md5sum`

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# prevent leaked/orphaned ssh-agent processes
if [ -z "$SSH_AUTH_SOCK" ]; then
    eval "`ssh-agent`" >/dev/null
    ssh-add 2>/dev/null

    # create pipe handle to share across all processes
    coproc (
        read s # to avoid race condition do not die until we disown/do stuff with $COPROC
        # detach from tty
        setsid sh -c "

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COMPILE = gcc
DEPDIR = .deps
am__mv = mv

OBJECTS = foo.o bar.o
all: $(OBJECTS)

# The recipe for stdafx.uptodate ensures that the .gch file is up to date
$(OBJECTS): stdafx.uptodate

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==================================================================
Building ksh from RedHat on other Linux (with -fsanitize=address)
==================================================================

# First login to a RHEL 6.8 host

# download ksh source package
cd ~/rpmbuild/SRPMS/
yumdownloader --source ksh

basinilya

/*
Fill buffer with random data using rand()

void fillrand(unsigned char *buf, size_t sz);
void wfillrand(unsigned short *buf, size_t nelems);


Fastest functions according to test results:

i686:

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#include <stdio.h>
#include <sys/types.h>
#include <string.h>
#include <stdlib.h>

#include <glib.h>

/* opaque glib structures */
typedef struct _GTreeNode GTreeNode;

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/*
 * How to delay log4j messages targeted for a FileAppender until certain condition is met?
 *
 * My java program is a command line tool that is supposed to run single-instanced. For that a
 * pidfile support was added to it. However, there's some 3rd-party initialization code that runs
 * before the pidfile check and writes to log4j.
 *
 * I'm not happy that my logfile contains messages from a process that exited due to the locked
 * pidfile, however, I want the ConsoleAppender to keep working as today.
 *

basinilya

package org.foo.unfairqueue;

import java.util.Collection;
import java.util.Iterator;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.TimeUnit;

/** see ForwardingBlockingQueue from guava */
public class ForwardingBlockingQueue<E> implements BlockingQueue<E> {
    

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package org.foo.concurrentauthenticator;

import java.net.Authenticator;
import java.net.PasswordAuthentication;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.ThreadFactory;

basinilya

package org.foo.pidfilelock;

import java.io.Closeable;
import java.io.File;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.io.Reader;
import java.lang.management.ManagementFactory;
import java.nio.CharBuffer;
import java.nio.channels.Channels;