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Re: why is pthread_key_create failing?
On Nov 6 16:30, Corinna Vinschen wrote:
> On Nov 6 15:12, Bruno Haible wrote:
> > Hi,
> > In the test program below, pthread_key_create is failing with return value
> > EBUSY with no good reason.
> > [...]
> > The Cygwin version that I'm using is:
> > $ grep VERSION /usr/include/cygwin/version.h | head -2
> > #define CYGWIN_VERSION_DLL_MAJOR 1005
> > #define CYGWIN_VERSION_DLL_MINOR 19
> Time to update.
> However, regardless of the version you're using, it's a bug in Cygwin.
> The pthread_key_create function checks the incoming pthread_key_t pointer
> for being a valid object already and,if so, bails out with EBUSY. This
> is arguably wrong, as your example shows, which reuses pthread_key_t
> slots already used before. Besides, EBUSY isn't defined as a valid
> error code returned by pthread_key_create.
Heh, I just re-read the whole discussion at
and it's interesting how the point of view changes with another
testcase. Pity. Returning EBUSY really looked like a good idea.
Corinna Vinschen Please, send mails regarding Cygwin to
Cygwin Project Co-Leader cygwin AT cygwin DOT com
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