diff options
Diffstat (limited to 'sysdeps/mach/bits/spin-lock.h')
-rw-r--r-- | sysdeps/mach/bits/spin-lock.h | 65 |
1 files changed, 3 insertions, 62 deletions
diff --git a/sysdeps/mach/bits/spin-lock.h b/sysdeps/mach/bits/spin-lock.h index e137c244..537dac9d 100644 --- a/sysdeps/mach/bits/spin-lock.h +++ b/sysdeps/mach/bits/spin-lock.h @@ -1,5 +1,5 @@ /* Definitions of user-visible names for spin locks. - Copyright (C) 1994, 1997, 2002 Free Software Foundation, Inc. + Copyright (C) 1994, 1997, 2002, 2008, 2009 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -29,69 +29,10 @@ __BEGIN_DECLS typedef __spin_lock_t __pthread_spinlock_t; /* Initializer for a spin lock object. */ -#ifndef __SPIN_LOCK_INITIALIZER -#error __SPIN_LOCK_INITIALIZER undefined: should be defined by <lock-intern.h>. +#ifndef __PTHREAD_SPIN_LOCK_INITIALIZER +#error __PTHREAD_SPIN_LOCK_INITIALIZER undefined: should be defined by <lock-intern.h>. #endif -#if defined __USE_EXTERN_INLINES || defined _FORCE_INLINES - -# ifndef __EBUSY -# include <errno.h> -# define __EBUSY EBUSY -# endif - -# ifndef __PT_SPIN_INLINE -# define __PT_SPIN_INLINE extern __inline -# endif - -__PT_SPIN_INLINE int __pthread_spin_destroy (__pthread_spinlock_t *__lock); - -__PT_SPIN_INLINE int -__pthread_spin_destroy (__pthread_spinlock_t *__lock) -{ - return 0; -} - -__PT_SPIN_INLINE int __pthread_spin_init (__pthread_spinlock_t *__lock, - int __pshared); - -__PT_SPIN_INLINE int -__pthread_spin_init (__pthread_spinlock_t *__lock, int __pshared) -{ - *__lock = __SPIN_LOCK_INITIALIZER; - return 0; -} - -__PT_SPIN_INLINE int __pthread_spin_trylock (__pthread_spinlock_t *__lock); - -__PT_SPIN_INLINE int -__pthread_spin_trylock (__pthread_spinlock_t *__lock) -{ - return __spin_try_lock (__lock) ? 0 : __EBUSY; -} - -extern __inline int __pthread_spin_lock (__pthread_spinlock_t *__lock); -extern int _pthread_spin_lock (__pthread_spinlock_t *__lock); - -extern __inline int -__pthread_spin_lock (__pthread_spinlock_t *__lock) -{ - if (__pthread_spin_trylock (__lock)) - return _pthread_spin_lock (__lock); - return 0; -} - -__PT_SPIN_INLINE int __pthread_spin_unlock (__pthread_spinlock_t *__lock); - -__PT_SPIN_INLINE int -__pthread_spin_unlock (__pthread_spinlock_t *__lock) -{ - __spin_unlock (__lock); - return 0; -} - -#endif /* Use extern inlines or force inlines. */ - __END_DECLS #endif /* bits/spin-lock.h */ |