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

[David Zhang <davidnes at gmail dot com>]

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'

or

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

Best regards,

David Zhang

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