diff options
Diffstat (limited to 'i386/include')
-rw-r--r-- | i386/include/mach/i386/cthreads.h | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/i386/include/mach/i386/cthreads.h b/i386/include/mach/i386/cthreads.h deleted file mode 100644 index d2aa16f5..00000000 --- a/i386/include/mach/i386/cthreads.h +++ /dev/null @@ -1,56 +0,0 @@ -/* - * Mach Operating System - * Copyright (c) 1993,1991,1990 Carnegie Mellon University - * All Rights Reserved. - * - * Permission to use, copy, modify and distribute this software and its - * documentation is hereby granted, provided that both the copyright - * notice and this permission notice appear in all copies of the - * software, derivative works or modified versions, and any portions - * thereof, and that both notices appear in supporting documentation. - * - * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" - * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR - * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * - * Carnegie Mellon requests users of this software to return to - * - * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU - * School of Computer Science - * Carnegie Mellon University - * Pittsburgh PA 15213-3890 - * - * any improvements or extensions that they make and grant Carnegie Mellon - * the rights to redistribute these changes. - */ -#ifndef _MACHINE_CTHREADS_H_ -#define _MACHINE_CTHREADS_H_ - -typedef volatile int spin_lock_t; -#define SPIN_LOCK_INITIALIZER 0 -#define spin_lock_init(s) (*(s) = 0) -#define spin_lock_locked(s) (*(s) != 0) - -#ifdef __GNUC__ - -#define spin_unlock(p) \ - ({ register int _u__ ; \ - __asm__ volatile("xorl %0, %0; \n\ - xchgl %0, %1" \ - : "=&r" (_u__), "=m" (*(p)) : "memory" ); \ - 0; }) - -#define spin_try_lock(p)\ - (!({ boolean_t _r__; \ - __asm__ volatile("movl $1, %0; \n\ - xchgl %0, %1" \ - : "=&r" (_r__), "=m" (*(p)) : "memory" ); \ - _r__; })) - -#define cthread_sp() \ - ({ register unsigned long _sp__ __asm__("esp"); \ - _sp__; }) - -#endif /* __GNUC__ */ - -#endif /* _MACHINE_CTHREADS_H_ */ |