Re: Same old AIX problem

[Frédéric Poels <fpo@atos.be>]

At 11:22 23/08/99 -0700, you wrote:
>At 11:53 AM 8/23/99 +0200, Frédéric Poels wrote:
>>Here's what happens:
>>...
>>-> HAVE_PTHREADS_D4 is not defined
>>status = pthread_create(&t, NULL, task, NULL);
>>-> OK status is 0 but as a default, threads are created DETACHED on AIX
(!!!)
>>...
>>-> HAVE_PTHREADS_D4 is not defined
>>status = pthread_create(&t, NULL, task, NULL);
>
>s/create/detach/, I assume.

It's not that simple...

>>-> KAWABUNGA! status is 3!
>
>>Here's the code that should be used instead (I think it's more portable
>>even on <beeeeeep> OS'es like AIX):
>
>It's not portable.   Draft4 pthreads doesn't even define
>a detached-state attribute nor have any mechanism to create
>a thread in a detached state.  pthread_detach() must be used
>on these systems.

So what about AIX? Will it be an unsupported OS?

>One should also note that mucking with thread attributes is
>quite problematic.  We'd have to detect if pthread_attr_setdetachstate
>exists and, if so, how to call it.  We'd also have to detect if
>pthread_attr_delete or pthread_attr_destroy should be called.
>To make matters worse, the syntax of may calls which accept
>thread attributes differ from draft to draft (ie: implementation
>to implementation).

What about #ifdef _AIX or #ifdef _AIX32?

>Kurt

Frederic.