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* spin.c: Revamped and working; included static initialiser.
* barrier.c: Likewise.
* condvar.c: Macro constant change; inline auto init routine.
* mutex.c: Likewise.
* rwlock.c: Likewise.
* private.c: Add support for spinlock initialiser.
* global.c: Likewise.
* implement.h: Likewise.
* pthread.h (PTHREAD_SPINLOCK_INITIALIZER): Fix typo.
tests/ChangeLog:
* spin3.c: Changed test and fixed.
* spin4.c: Fixed.
* barrier3.c: Fixed.
* barrier4.c: Fixed.
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for this object.
* pthread.h (PTHREAD_BARRIER_INITIALIZER): Removed.
* rwlock.c (pthread_rwlock_wrlock): This routine is
not a cancelation point - disable deferred
cancelation around call to pthread_cond_wait().
tests/ChangeLog:
* spin1.c: New; testing spinlocks.
* spin2.c: New; testing spinlocks.
* spin3.c: New; testing spinlocks.
* spin4.c: New; testing spinlocks.
* barrier1.c: New; testing barriers.
* barrier2.c: New; testing barriers.
* barrier3.c: New; testing barriers.
* barrier4.c: New; testing barriers.
* GNUmakefile: Add new tests.
* Makefile: Add new tests.
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* spin.c: New module implementing spin locks.
* barrier.c: New module implementing barriers.
* pthread.h (_POSIX_SPIN_LOCKS): defined.
(_POSIX_BARRIERS): Defined.
(pthread_spin_*): Defined.
(pthread_barrier*): Defined.
(PTHREAD_BARRIER_SERIAL_THREAD): Defined.
* implement.h (pthread_spinlock_t_): Defined.
(pthread_barrier_t_): Defined.
(pthread_barrierattr_t_): Defined.
* mutex.c (pthread_mutex_lock): Return with the error
if an auto-initialiser initialisation fails.
* nonportable.c (pthread_getprocessors_np): New; gets the
number of available processors for the current process.
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