diff options
Diffstat (limited to 'libpthread/linuxthreads/sysdeps/m68k/pt-machine.h')
| -rw-r--r-- | libpthread/linuxthreads/sysdeps/m68k/pt-machine.h | 27 |
1 files changed, 13 insertions, 14 deletions
diff --git a/libpthread/linuxthreads/sysdeps/m68k/pt-machine.h b/libpthread/linuxthreads/sysdeps/m68k/pt-machine.h index 644bc2f0c..161b53469 100644 --- a/libpthread/linuxthreads/sysdeps/m68k/pt-machine.h +++ b/libpthread/linuxthreads/sysdeps/m68k/pt-machine.h @@ -1,41 +1,41 @@ /* Machine-dependent pthreads configuration and inline functions. m68k version. - Copyright (C) 1996, 1998 Free Software Foundation, Inc. + Copyright (C) 1996, 1998, 2000, 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Richard Henderson <rth@tamu.edu>. The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 of the + 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 - Library General Public License for more details. + Lesser General Public License for more details. - You should have received a copy of the GNU Library General Public + You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +#ifndef _PT_MACHINE_H +#define _PT_MACHINE_H 1 + #ifndef PT_EI # define PT_EI extern inline #endif +extern long int testandset (int *spinlock); +extern int __compare_and_swap (long int *p, long int oldval, long int newval); /* Spinlock implementation; required. */ -PT_EI int +PT_EI long int testandset (int *spinlock) { char ret; - __asm__ __volatile__( -#ifdef __mcf5200__ - "bset #7,%1; sne %0" -#else - "tas %1; sne %0" -#endif + __asm__ __volatile__("tas %1; sne %0" : "=dm"(ret), "=m"(*spinlock) : "m"(*spinlock) : "cc"); @@ -52,7 +52,6 @@ register char * stack_pointer __asm__ ("%sp"); /* Compare-and-swap for semaphores. */ -#ifndef __mcf5200__ #define HAS_COMPARE_AND_SWAP PT_EI int __compare_and_swap (long int *p, long int oldval, long int newval) @@ -66,5 +65,5 @@ __compare_and_swap (long int *p, long int oldval, long int newval) return ret; } -#endif +#endif /* pt-machine.h */ |