Subj : Re: Application hangs in pthread_join
To   : comp.programming.threads
From : David Schwartz
Date : Fri Mar 18 2005 11:54 am


"Jeff" <joesiege@gmail.com> wrote in message 
news:1111174330.253947.253910@f14g2000cwb.googlegroups.com...

>>     The question is, what is the thread it's waiting for doing? And
>> why do
>> you need so many threads?

> It's an http regression tester. In this case, it's simulating 500 web
> browsers. I'm having trouble debugging the waiting threads. It's either
> waiting for the webserver or I didn't properly handle an error.

    You really didn't answer either question. You don't need 500 threads to 
simulate 500 browsers. You need 500 instances of a state machine.

>> >  x = our.total_clients;
>> >  while(x){
>> >    pthread_join(peer[x--], &statusp);  <= hangs here!
>> >  }
>>
>>     The question is, what is the other thread doing?
>
> You mean the main thread? It's waiting for pthread_join.

    No, what is the thread it's waiting for doing? Use the debugging tools 
on your platform to figure out what that other thread is doing.

    DS

.