diff options
Diffstat (limited to 'libpthread/linuxthreads.old/sysdeps/hppa/pt-machine.h')
-rw-r--r-- | libpthread/linuxthreads.old/sysdeps/hppa/pt-machine.h | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/libpthread/linuxthreads.old/sysdeps/hppa/pt-machine.h b/libpthread/linuxthreads.old/sysdeps/hppa/pt-machine.h deleted file mode 100644 index 85c453c77..000000000 --- a/libpthread/linuxthreads.old/sysdeps/hppa/pt-machine.h +++ /dev/null @@ -1,59 +0,0 @@ -/* Machine-dependent pthreads configuration and inline functions. - hppa version. - Copyright (C) 2000, 2002, 2003 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 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; see the file COPYING.LIB. If - not, see <http://www.gnu.org/licenses/>. */ - -#ifndef _PT_MACHINE_H -#define _PT_MACHINE_H 1 - -#include <features.h> -#include <bits/initspin.h> - -#ifndef PT_EI -# define PT_EI __extern_always_inline -#endif - -/* Get some notion of the current stack. Need not be exactly the top - of the stack, just something somewhere in the current frame. */ -#define CURRENT_STACK_FRAME stack_pointer -register char * stack_pointer __asm__ ("%r30"); - - -/* The hppa only has one atomic read and modify memory operation, - load and clear, so hppa spinlocks must use zero to signify that - someone is holding the lock. */ - -#define xstr(s) str(s) -#define str(s) #s -/* Spinlock implementation; required. */ -PT_EI long int -testandset (int *spinlock) -{ - int ret; - - __asm__ __volatile__( - "ldcw 0(%2),%0" - : "=r"(ret), "=m"(*spinlock) - : "r"(spinlock)); - - return ret == 0; -} -#undef str -#undef xstr - -#endif /* pt-machine.h */ |