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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2012-09-15 21:43:27 +0200
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2012-09-15 21:43:27 +0200
commite79751ffaff3d489498b1c17e3d2aa890fcef6bc (patch)
tree67f1587f35b8a789b6571c58fde09fad3907d414 /sysdeps/powerpc/bits/machine-lock.h
parentce51f55217a6dc7f1e611d10e0b09c6d39152a8f (diff)
parent640cfa0a4af3dc399bff496fd94081a99dbbcdd2 (diff)
Merge branch 'master' of git.savannah.gnu.org:/srv/git/hurd/libpthread
Diffstat (limited to 'sysdeps/powerpc/bits/machine-lock.h')
-rw-r--r--sysdeps/powerpc/bits/machine-lock.h78
1 files changed, 0 insertions, 78 deletions
diff --git a/sysdeps/powerpc/bits/machine-lock.h b/sysdeps/powerpc/bits/machine-lock.h
deleted file mode 100644
index cba6b0a..0000000
--- a/sysdeps/powerpc/bits/machine-lock.h
+++ /dev/null
@@ -1,78 +0,0 @@
-/* Machine-specific definition for spin locks. PowerPC version.
- Copyright (C) 1994,97,2002 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)
-{
- long int __locked;
- __asm__ __volatile__ ("\
-0: lwarx %0,0,%1\n\
- stwcx. %2,0,%1\n\
- bne- 0b\n\
-" : "=&r" (__locked) : "r" (__lock), "r" (0) : "cr0");
-}
-
-/* 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)
-{
- long int __rtn;
- __asm__ __volatile__ ("\
-0: lwarx %0,0,%1\n\
- stwcx. %2,0,%1\n\
- bne- 0b\n\
-" : "=&r" (__rtn) : "r" (__lock), "r" (1) : "cr0");
- return !__rtn;
-}
-
-/* Return nonzero if LOCK is locked. */
-
-_EXTERN_INLINE int
-__spin_lock_locked (__spin_lock_t *__lock)
-{
- long int __rtn;
- __asm__ __volatile__ ("\
-0: lwarx %0,0,%1\n\
- stwcx. %0,0,%1\n\
- bne- 0b\n\
-" : "=&r" (__rtn) : "r" (__lock) : "cr0");
- return __rtn;
-}
-
-
-#endif /* machine-lock.h */