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-rw-r--r--sysdeps/mach/alpha/machine-lock.h80
1 files changed, 0 insertions, 80 deletions
diff --git a/sysdeps/mach/alpha/machine-lock.h b/sysdeps/mach/alpha/machine-lock.h
deleted file mode 100644
index bd27d2a51f..0000000000
--- a/sysdeps/mach/alpha/machine-lock.h
+++ /dev/null
@@ -1,80 +0,0 @@
-/* Machine-specific definition for spin locks. Alpha version.
- Copyright (C) 1994, 1997, 2007 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
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
-
-#ifndef _MACHINE_LOCK_H
-#define _MACHINE_LOCK_H
-
-/* The type of a spin lock variable. */
-
-typedef __volatile long int __spin_lock_t;
-
-/* Value to initialize `__spin_lock_t' variables to. */
-
-#define __SPIN_LOCK_INITIALIZER 0L
-
-
-#ifndef _EXTERN_INLINE
-#define _EXTERN_INLINE __extern_inline
-#endif
-
-/* Unlock LOCK. */
-
-_EXTERN_INLINE void
-__spin_unlock (__spin_lock_t *__lock)
-{
- __asm__ __volatile__ ("mb; stq $31, %0; mb"
- : "=m" (__lock));
-}
-
-/* Try to lock LOCK; return nonzero if we locked it, zero if another has. */
-
-_EXTERN_INLINE int
-__spin_try_lock (register __spin_lock_t *__lock)
-{
- register long int __rtn, __tmp;
-
- do
- {
- __asm__ __volatile__ ("mb; ldq_l %0,%1" /* Load lock value into TMP. */
- : "=r" (__tmp) : "m" (*__lock));
- __rtn = 2; /* Load locked value into RTN. */
- if (__tmp)
- /* The lock is already taken. */
- return 0;
-
- /* The lock is not taken; try to get it now. */
- __asm__ __volatile__ ("stq_c %0,%1"
- : "=r" (__rtn), "=m" (*__lock)
- : "0" (__rtn), "1" (*__lock));
- /* RTN is clear if stq_c was interrupted; loop to try the lock again. */
- } while (! __rtn);
- /* RTN is now nonzero; we have the lock. */
- return __rtn;
-}
-
-/* Return nonzero if LOCK is locked. */
-
-_EXTERN_INLINE int
-__spin_lock_locked (__spin_lock_t *__lock)
-{
- return *__lock != 0;
-}
-
-
-#endif /* machine-lock.h */