Subj : Re: atexit handler: pthread_cancel, pthread_testcancel, pthread_join problem
To   : comp.programming.threads
From : loic-dev
Date : Thu Aug 18 2005 04:21 am

Hello,

> The thread A, calls pthread_cancel(B) in its atexit handler.  This is
> followed by a call to pthread_join(B, 0) (in atexit handler).
> This seems to create problems.  Any thoughts on this much appreciated.

I could reproduce your problem on my FC3 / NPTL.
Looks like a bug somewhere in the stack unwinding mechanism...


> #include <iostream>
> #include <unistd.h>
> #include <signal.h>
>
> pthread_t th;
>
> void* start_thread(void *)
> {
>     for(;;)
>     {
>         std::cout << "testcancel()" << std::endl;

replace this by a printf().

Does your problem persist? 

With regards,
Loic.

.