Subj : Re: pthread_mutex_lock throws an exception on receiving signal 15
To   : comp.programming.threads
From : pankaj-startup
Date : Tue Oct 04 2005 12:25 pm

Paul Pluzhnikov wrote:
> Signal handler can't legally call pthread_create() (or any other
> pthread function).
>

Oh! my mistake, I forgot about pthread_create :)

> > In exit, while cleanup, something goes wrong here and main thread
> > catches a exception.
>
> You invoked undefined behaviour, and now you are surprized?
> You have only yourself to blaim :(
>

I was under impression that "undefined behaviour" means call to
particular unsafe function fails (in this case pthread_create)

Then what should be in signal handler? -> cancel(set appropriate flag)
all threads, & exit ?

Can you please give me some pointers why these few functions are Unsafe
in the context of asyn signal handler?

> Cheers,
> --
> In order to understand recursion you must first understand recursion.
> Remove /-nsp/ for email.

.