summaryrefslogtreecommitdiff
path: root/sysdeps/mach/hppa/machine-lock.h
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/mach/hppa/machine-lock.h')
-rw-r--r--sysdeps/mach/hppa/machine-lock.h63
1 files changed, 0 insertions, 63 deletions
diff --git a/sysdeps/mach/hppa/machine-lock.h b/sysdeps/mach/hppa/machine-lock.h
deleted file mode 100644
index 8c71d40a5a..0000000000
--- a/sysdeps/mach/hppa/machine-lock.h
+++ /dev/null
@@ -1,63 +0,0 @@
-/* Machine-specific definition for spin locks. HPPA version.
- Copyright (C) 1995, 1997 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 int __spin_lock_t __attribute__ ((__aligned__ (16)));
-
-/* Value to initialize `__spin_lock_t' variables to. */
-
-#define __SPIN_LOCK_INITIALIZER -1
-
-
-#ifndef _EXTERN_INLINE
-#define _EXTERN_INLINE extern __inline
-#endif
-
-/* Unlock LOCK. */
-
-_EXTERN_INLINE void
-__spin_unlock (__spin_lock_t *__lock)
-{
- *__lock = -1;
-}
-
-/* Try to lock LOCK; return nonzero if we locked it, zero if another has. */
-
-_EXTERN_INLINE int
-__spin_try_lock (__spin_lock_t *__lock)
-{
- register int __result;
- __asm__ __volatile__ ("ldcws %0, %1" : "=m" (*__lock), "=r" (__result));
- return __result != 0;
-}
-
-/* Return nonzero if LOCK is locked. */
-
-_EXTERN_INLINE int
-__spin_lock_locked (__spin_lock_t *__lock)
-{
- return *__lock == 0;
-}
-
-
-#endif /* machine-lock.h */