1.7.5-1 : is the type 'pthread_spinlock_t' supported?

Christopher Faylor cgf-use-the-mailinglist-please@cygwin.com
Tue Aug 3 14:06:00 GMT 2010

On Tue, Aug 03, 2010 at 04:56:36PM +0800, David Zhang wrote:
>Hello, everyone. I'm using Cygwin 1.7.5-1 on Windows XP for some
>multithread programming using Pthreads.
>I wonder if the type "pthread_spinlock_t" is supported since when I
>tried to compile a C code that used "pthread_spinlock_t", GCC said:
>error: expected specifier-qualifier-list before 'pthread_spinlock_t'
>error: 'pthread_spinlock_t' undeclared (first use in this function)

>Then I open the file 'pthread.h' in the usr/include folder. It seems
>that there isn't any function definitions relating to spinlock like
>pthread_spin_init, pthread_spin_lock, etc. So does it means that
>'pthread_spinlock_t' is not supported in Cygwin 1.7.5-1?

Yes.  If you don't see it in /usr/include that does mean it isn't implemented.

>If it doesn't for now, is there any plan for Cygwin to support it?

There are no plans to implement it.  Sorry.


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