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Diffstat (limited to 'nptl/atomic.h')
| -rw-r--r-- | nptl/atomic.h | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/nptl/atomic.h b/nptl/atomic.h deleted file mode 100644 index 813fb80a03..0000000000 --- a/nptl/atomic.h +++ /dev/null @@ -1,141 +0,0 @@ -/* Copyright (C) 2002, 2003 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. - - 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 _ATOMIC_H -#define _ATOMIC_H 1 - -#include <stdlib.h> - -#include <bits/atomic.h> - - -#ifndef atomic_compare_and_exchange_acq -# define atomic_compare_and_exchange_acq(mem, newval, oldval) \ - ({ __typeof (__arch_compare_and_exchange_32_acq (mem, newval, oldval)) \ - __result; \ - if (sizeof (*mem) == 1) \ - __result = __arch_compare_and_exchange_8_acq (mem, newval, oldval); \ - else if (sizeof (*mem) == 2) \ - __result = __arch_compare_and_exchange_16_acq (mem, newval, oldval); \ - else if (sizeof (*mem) == 4) \ - __result = __arch_compare_and_exchange_32_acq (mem, newval, oldval); \ - else if (sizeof (*mem) == 8) \ - __result = __arch_compare_and_exchange_64_acq (mem, newval, oldval); \ - else \ - abort (); \ - __result; }) -#endif - - -#ifndef atomic_compare_and_exchange_rel -# define atomic_compare_and_exchange_rel(mem, oldval, newval) \ - atomic_compare_and_exchange_acq (mem, oldval, newval) -#endif - - -#ifndef atomic_exchange_and_add -# define atomic_exchange_and_add(mem, value) \ - ({ __typeof (*mem) __oldval; \ - __typeof (mem) __memp = (mem); \ - __typeof (*mem) __value = (value); \ - \ - do \ - __oldval = (*__memp); \ - while (atomic_compare_and_exchange_acq (__memp, __oldval + __value, \ - __oldval)); \ - \ - __oldval + __value; }) -#endif - - -#ifndef atomic_add -# define atomic_add(mem, value) (void) atomic_exchange_and_add (mem, value) -#endif - - -#ifndef atomic_increment -# define atomic_increment(mem) atomic_add (mem, 1) -#endif - - -#ifndef atomic_increment_and_test -# define atomic_increment_and_test(mem) \ - (atomic_exchange_and_add (mem, 1) == 0) -#endif - - -#ifndef atomic_decrement -# define atomic_decrement(mem) atomic_add (mem, -1) -#endif - - -#ifndef atomic_decrement_and_test -# define atomic_decrement_and_test(mem) \ - (atomic_exchange_and_add (mem, -1) == 0) -#endif - - -#ifndef atomic_add_negative -# define atomic_add_negative(mem, value) \ - (atomic_exchange_and_add (mem, value) < 0) -#endif - - -#ifndef atomic_add_zero -# define atomic_add_zero(mem, value) \ - (atomic_exchange_and_add (mem, value) == 0) -#endif - - -#ifndef atomic_bit_set -# define atomic_bit_set(mem, bit) \ - (void) atomic_bit_test_set(mem, bit) -#endif - - -#ifndef atomic_bit_test_set -# define atomic_bit_test_set(mem, bit) \ - ({ __typeof (*mem) __oldval; \ - __typeof (mem) __memp = (mem); \ - __typeof (*mem) __mask = (1 << (bit)); \ - \ - do \ - __oldval = (*__memp); \ - while (atomic_compare_and_exchange_acq (__memp, \ - __oldval | __mask, __oldval)); \ - \ - __oldval & __mask; }) -#endif - - -#ifndef atomic_full_barrier -# define atomic_full_barrier() __asm ("" ::: "memory") -#endif - - -#ifndef atomic_read_barrier -# define atomic_read_barrier() atomic_full_barrier() -#endif - - -#ifndef atomic_write_barrier -# define atomic_write_barrier() atomic_full_barrier() -#endif - -#endif /* atomic.h */ |