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Message-ID: <37B883A0.D0F0EEFE@ibm.net>
Date: Mon, 16 Aug 1999 17:33:22 -0400
From: John Fortin <fortinj AT ibm DOT net>
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To: cygwin-developers AT sourceware DOT cygnus DOT com
Subject: Re: POSIX threads implementation
References: <37B84786 DOT F8BD9EBF AT col DOT bsf DOT alcatel DOT fr> <19990816132919 DOT A1321 AT cygnus DOT com>
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I haven't done anything new in about 2 months.  I've been working on the
xfree port.  There also didn't seem to be a huge call for it, esp. since the
default is thread support turned off ( maybe, turn it on for the snapshots
so it gets tested ??)

John

Chris Faylor wrote:

> On Mon, Aug 16, 1999 at 07:16:54PM +0200, Pascal Vittone wrote:
> >I am used to work with Solaris' POSIX threads.  I tried to use CYGWIN's
> >threads but I had a lot of problem.  So, I read the code.  And I think
> >there is some problems: when a process receives a signal, all the
> >threads go out of the blocking calls; an exited thread can be chosen to
> >process a signal; pthread_sigmask modifies process's signal mask;
> >signals associated to exceptions are not always processed by the
> >generating thread; ...
>
> That sounds correct.  The current signal mechanism is not completely
> correct in its signal delivery.
>
> >Is my analysis correct?  Are these problems known?  Are some of them
> >features?  Do you provide a description of your thread support
> >implementation?  Is someone currently working on threads
> >implementation?  Should I try to correct myself these problems?
>
> No one is working on threads, AFAIK.  John Fortin has submitted some
> patches but I don't know if he is actively working on this.
>
> The only information available regarding pthreads is in the winsup
> directory.
>
> -chris