//Example 2
#include "ace/OS.h"
#include "ace/Synch.h"

//Arguments that are to be passed to the worker thread are passed through this class.
class Args{
public:
Args(int iterations):
 mutex_(),iterations_(iterations){}
ACE_Thread_Mutex mutex_;
int iterations_;
};

//The starting point for the worker threads
static void*
worker(void*arguments){
Args *arg= (Args*) arguments;
for(int i=0;i<arg->iterations_;i++){
 ACE_DEBUG((LM_DEBUG,
    "(%t) Trying to get a hold of this iteration\n"));
 //This is our critical section
 arg->mutex_.acquire();
 ACE_DEBUG((LM_DEBUG,"(%t) This is iteration number %d\n",i));
 //work
 ACE_OS::sleep(2);
 arg->mutex_.release();
 }
return 0;
}

int main(int argc, char*argv[]){
if(argc<2){
ACE_OS::printf("Usage: egx <number_of_threads>
    <number_of_iterations>\n");
 ACE_OS::exit(1);
 }
//Setup the arguments
Args arg(ACE_OS::atoi(argv[2]));

ACE_Thread::spawn_n
   (ACE_OS::atoi(argv[1]),(ACE_THR_FUNC)worker,(void*)&arg);
//Spawn the worker threads
while(ACE_Thread::join(NULL,NULL,NULL)==0);
}
 
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