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* cygwin.din (pthread_spin_destroy): Export.

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(pthread_spin_init): Export.
	(pthread_spin_lock): Export.
	(pthread_spin_trylock): Export.
	(pthread_spin_unlock): Export.
	* posix.sgml (std-susv4): Add pthread_spin_destroy, pthread_spin_init,
	pthread_spin_lock, pthread_spin_trylock, pthread_spin_unlock.
	(std-notimpl): Remove pthread_spin_[...].
	* pthread.cc (pthread_spin_init): New function.
	* thread.cc (pthread_spinlock::is_good_object): New function.
	(pthread_mutex::pthread_mutex): Rearrange initializers to accommodate
	protected data in pthread_mutex.
	(pthread_spinlock::pthread_spinlock): New constructor.
	(pthread_spinlock::lock): New method.
	(pthread_spinlock::unlock): New method.
	(pthread_spinlock::init): New method.
	(pthread_spin_lock): New function.
	(pthread_spin_trylock): New function.
	(pthread_spin_unlock): New function.
	(pthread_spin_destroy): New function.
	* thread.h (PTHREAD_SPINLOCK_MAGIC): Define.
	(class pthread_mutex): Change access level of members shared with
	derived classes to protected.
	(pthread_mutex::set_shared): New protected method.
	(class pthread_spinlock): New class, derived class of pthread_mutex.
	* include/pthread.h (pthread_spin_destroy): Declare.
	(pthread_spin_init): Declare.
	(pthread_spin_lock): Declare.
	(pthread_spin_trylock): Declare.
	(pthread_spin_unlock): Declare.
	* include/cygwin/types.h (pthread_spinlock_t): New typedef.
	* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.
This commit is contained in:
Corinna Vinschen
2011-03-29 10:32:40 +00:00
parent a011f95216
commit f00fe1b8e7
9 changed files with 217 additions and 13 deletions
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10
winsup/cygwin/pthread.cc
View File

@ -1,6 +1,6 @@
/* pthread.cc: posix pthread interface for Cygwin
Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2005, 2007 Red Hat, Inc.
Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2005, 2007, 2011 Red Hat, Inc.
Originally written by Marco Fuykschot <marco@ddi.nl>
@ -91,6 +91,14 @@ pthread_mutex_init (pthread_mutex_t * mutex, const pthread_mutexattr_t * attr)
return pthread_mutex::init (mutex, attr, NULL);
}
/* Spinlocks */
int
pthread_spin_init (pthread_spinlock_t *spinlock, int pshared)
{
return pthread_spinlock::init (spinlock, pshared);
}
/* Synchronisation */
int
pthread_cond_init (pthread_cond_t * cond, const pthread_condattr_t * attr)