sem_trywait returns EAGAIN (rather than returning -1 and setting errno)

[Andrew T. Schnable]

I think all the sem_* functions are broken similarly.  I have the threads.cc file modified 
and was going to try and submit patches, but I am having some issues getting
the regression tests working (even before I put my changes in...)  A soon as
I get these issues resolved and verify my fixes, I can try and submit 
a patch for everything (like all good cygwin users should!)  (Unless of course you
beat me to it - and at this rate - you will!)

Thanks for helping me out with this.

Andy
schnable@enteract.com


----- Original Message ----- 
From: "Robert Collins" <robert.collins@itdomain.com.au>
To: <cygwin@cygwin.com>
Cc: "Andrew T. Schnable" <schnable@enteract.com>
Sent: Thursday, February 28, 2002 8:55 AM
Subject: RE: sem_trywait returns EAGAIN (rather than returning -1 and setting errno)


FWIW, I've patched sem_trywait and sem_wait. I haven't looked for further cases of misbehaviour though.

Rob

> -----Original Message-----
> From: Christopher Faylor [mailto:cgf@redhat.com] 

> As Robert indicated, in the vast majority of those cases, 
> this was, in fact, the right thing to do.
> 
> It's apparently not the right thing to do in the case of 
> sem_trywait, so a patch will be required:  
> http://cygwin.com/contrib.html .


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