[Bug libgcj/14751] New: java program compiled with gcj never release system handle resources allocated by new threads on windows platform

[alessandro dot pepi at email dot it]

A program compiled with gcj on Windows platform (i use the thisiscool 
distribution) never release system handle resources allocated by new threads 
until the main thread exit.
When a compiled java application create a new thread, the system allocate a 
new thread handle and some other system handles. When the new thread exits the 
thread handle is released but 3 other system handles (3 per thread) will be 
released only when application terminate its execution. Below a java test 
program that i have comiled whith the latest windows thisiscool distribution 
of gcj:

import java.util.*;

public class TestThread {
	
public void createThread(final int j){	        
    		Runnable run = new Runnable(){
    			public void run(){
			  System.out.println("I am thread number "+j);    
			  tsleep(2000,null);
    			};
    		};
    		try{
    		  new Thread(run).start();
    		}catch(Exception e){
    		  System.out.println(e.toString());
    		};	
};	

public void Test(){
	for (int i = 0;i<100;i++){
		createThread(i);
		tsleep(250,null);
	};
};
    
public static void tsleep(long t,String s){
    if (s!=null)
	System.out.println(s);
    try{
    	Thread.sleep(t);
    }catch(Exception e){
    	System.out.println(e.toString());
    }
};
    

public static void main(String[] args) {
   tsleep(5000,"Begin test : look at handles resource on Task Manager before 
starting ");
    TestThread test = new TestThread();
    test.Test();
    tsleep(1000,"executing garbage collector ...");
    Runtime.getRuntime().runFinalization();
    Runtime.getRuntime().gc();
    tsleep(10000,"End test : now look again at handles resource on Task 
Manager before exiting ");
}

};

-- 
           Summary: java program compiled with gcj never release system
                    handle resources allocated by new threads on windows
                    platform
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libgcj
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: alessandro dot pepi at email dot it
                CC: alessandro dot pepi at email dot it,gcc-bugs at gcc dot
                    gnu dot org,java-prs at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14751