[freenet-dev] [freenet-cvs] r18977 - trunk/freenet/src/freenet/support
Matthew Toseland
toad at amphibian.dyndns.org
Fri Apr 4 18:26:56 UTC 2008
Grrrr, indenting and sync fixes in the same commit.
On Friday 04 April 2008 07:16, nextgens at freenetproject.org wrote:
> Author: nextgens
> Date: 2008-04-04 06:16:23 +0000 (Fri, 04 Apr 2008)
> New Revision: 18977
>
> Modified:
> trunk/freenet/src/freenet/support/PooledExecutor.java
> Log:
> More sync. fixes
>
> Modified: trunk/freenet/src/freenet/support/PooledExecutor.java
> ===================================================================
> --- trunk/freenet/src/freenet/support/PooledExecutor.java 2008-04-04
06:12:05 UTC (rev 18976)
> +++ trunk/freenet/src/freenet/support/PooledExecutor.java 2008-04-04
06:16:23 UTC (rev 18977)
> @@ -23,48 +23,48 @@
> private static boolean logMINOR;
> // Ticker thread that runs at maximum priority.
> private Ticker ticker;
> -
> - public void setTicker(Ticker ticker) {
> +
> + public synchronized void setTicker(Ticker ticker) {
> this.ticker = ticker;
> }
> -
> +
> public PooledExecutor() {
> - for(int i=0; i<runningThreads.length; i++) {
> + for(int i = 0; i < runningThreads.length; i++) {
> runningThreads[i] = new ArrayList();
> waitingThreads[i] = new ArrayList();
> threadCounter[i] = 0;
> }
> }
> -
> /** Maximum time a thread will wait for a job */
> - static final int TIMEOUT = 5*60*1000;
> -
> + static final int TIMEOUT = 5 * 60 * 1000;
> +
> public void start() {
> logMINOR = Logger.shouldLog(Logger.MINOR, this);
> }
> -
> +
> public void execute(Runnable job, String jobName) {
> execute(job, jobName, false);
> }
> -
> +
> public void execute(Runnable job, String jobName, boolean fromTicker) {
> int prio = NativeThread.NORM_PRIORITY;
> - if(job instanceof PrioRunnable) {
> - prio = ((PrioRunnable)job).getPriority();
> - }
> -
> - if(logMINOR) Logger.minor(this, "Executing "+job+" as "+jobName+" at
prio "+prio);
> + if(job instanceof PrioRunnable)
> + prio = ((PrioRunnable) job).getPriority();
> +
> + if(logMINOR)
> + Logger.minor(this, "Executing " + job + " as " + jobName + " at prio " +
prio);
> if(prio < NativeThread.MIN_PRIORITY || prio > NativeThread.MAX_PRIORITY)
> - throw new IllegalArgumentException("Unreconized priority
level : "+prio+'!');
> + throw new IllegalArgumentException("Unreconized priority level : " +
prio + '!');
> while(true) {
> MyThread t;
> boolean mustStart = false;
> boolean miss = false;
> synchronized(this) {
> jobCount++;
> - if(!waitingThreads[prio-1].isEmpty()) {
> - t = (MyThread)
waitingThreads[prio-1].remove(waitingThreads[prio-1].size()-1);
> - if(logMINOR) Logger.minor(this, "Reusing thread "+t);
> + if(!waitingThreads[prio - 1].isEmpty()) {
> + t = (MyThread) waitingThreads[prio - 1].remove(waitingThreads[prio -
1].size() - 1);
> + if(logMINOR)
> + Logger.minor(this, "Reusing thread " + t);
> } else {
> // Must create new thread
> if((!fromTicker) && NativeThread.usingNativeCode() && prio >
Thread.currentThread().getPriority()) {
> @@ -73,16 +73,18 @@
> return;
> }
> // Will be coalesced by thread count listings if we use "@" or "for"
> - t = new MyThread("Pooled thread awaiting work
@"+(threadCounter[prio-1]), threadCounter[prio-1], prio, !fromTicker);
> - threadCounter[prio-1]++;
> + t = new MyThread("Pooled thread awaiting work @" +
(threadCounter[prio - 1]), threadCounter[prio - 1], prio, !fromTicker);
> + threadCounter[prio - 1]++;
> t.setDaemon(true);
> mustStart = true;
> miss = true;
> }
> }
> synchronized(t) {
> - if(!t.alive) continue;
> - if(t.nextJob != null) continue;
> + if(!t.alive)
> + continue;
> + if(t.nextJob != null)
> + continue;
> t.nextJob = job;
> if(!mustStart)
> // It is possible that we could get a wierd race condition with
> @@ -90,44 +92,46 @@
> // level code. So we'd best use notifyAll().
> t.notifyAll();
> }
> - t.setName(jobName+"("+t.threadNo+")");
> + t.setName(jobName + "(" + t.threadNo + ")");
> if(mustStart) {
> t.start();
> synchronized(this) {
> - runningThreads[prio-1].add(t);
> + runningThreads[prio - 1].add(t);
> if(miss)
> jobMisses++;
> if(logMINOR)
> - Logger.minor(this, "Jobs: "+jobMisses+" misses of "+jobCount+"
starting urgently "+jobName);
> + Logger.minor(this, "Jobs: " + jobMisses + " misses of " + jobCount
+ " starting urgently " + jobName);
> }
> - } else {
> + } else
> if(logMINOR)
> - Logger.minor(this, "Not starting: Jobs: "+jobMisses+" misses
of "+jobCount+" starting urgently "+jobName);
> - }
> + synchronized(this) {
> + Logger.minor(this, "Not starting: Jobs: " + jobMisses + " misses of "
+ jobCount + " starting urgently " + jobName);
> + }
> return;
> }
> }
>
> public synchronized int[] runningThreads() {
> int[] result = new int[runningThreads.length];
> - for(int i=0; i<result.length; i++)
> + for(int i = 0; i < result.length; i++)
> result[i] = runningThreads[i].size();
> return result;
> }
> -
> +
> public synchronized int[] waitingThreads() {
> int[] result = new int[waitingThreads.length];
> - for(int i=0; i<result.length; i++)
> + for(int i = 0; i < result.length; i++)
> result[i] = waitingThreads[i].size();
> return result;
> }
> -
> +
> class MyThread extends NativeThread {
> +
> final String defaultName;
> boolean alive = true;
> Runnable nextJob;
> final long threadNo;
> -
> +
> public MyThread(String defaultName, long threadCounter, int prio, boolean
dontCheckRenice) {
> super(defaultName, prio, dontCheckRenice);
> this.defaultName = defaultName;
> @@ -140,53 +144,49 @@
> int nativePriority = getNativePriority();
> while(true) {
> Runnable job;
> -
> +
> synchronized(this) {
> job = nextJob;
> nextJob = null;
> }
> -
> +
> if(job == null) {
> synchronized(PooledExecutor.this) {
> - waitingThreads[nativePriority-1].add(this);
> + waitingThreads[nativePriority - 1].add(this);
> }
> synchronized(this) {
> if(nextJob == null) {
> this.setName(defaultName);
> try {
> wait(TIMEOUT);
> - } catch (InterruptedException e) {
> - // Ignore
> + } catch(InterruptedException e) {
> + // Ignore
> }
> }
> job = nextJob;
> nextJob = null;
> - if(job == null) {
> + if(job == null)
> alive = false;
> - // execute() won't give us another job if alive = false
> - }
> }
> synchronized(PooledExecutor.this) {
> - waitingThreads[nativePriority-1].remove(this);
> + waitingThreads[nativePriority - 1].remove(this);
> if(!alive) {
> - runningThreads[nativePriority-1].remove(this);
> + runningThreads[nativePriority - 1].remove(this);
> if(logMINOR)
> - Logger.minor(this, "Exiting having executed "+ranJobs+"
jobs : "+this);
> + Logger.minor(this, "Exiting having executed " + ranJobs + "
jobs : " + this);
> return;
> }
> }
> }
> -
> +
> // Run the job
> try {
> job.run();
> - } catch (Throwable t) {
> - Logger.error(this, "Caught "+t+" running job "+job, t);
> + } catch(Throwable t) {
> + Logger.error(this, "Caught " + t + " running job " + job, t);
> }
> ranJobs++;
> }
> }
> -
> }
> -
> }
>
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>
>
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