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117 lines
3.1 KiB
C
117 lines
3.1 KiB
C
#ifndef ATOMIC_SOLARIS_INCLUDED
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#define ATOMIC_SOLARIS_INCLUDED
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/* Copyright (c) 2008, 2014, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */
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#include <atomic.h>
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#if defined(__GNUC__)
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#define atomic_typeof(T,V) __typeof__(V)
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#else
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#define atomic_typeof(T,V) T
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#endif
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static inline int my_atomic_cas32(int32 volatile *a, int32 *cmp, int32 set)
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{
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int ret;
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atomic_typeof(uint32_t, *cmp) sav;
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sav= atomic_cas_32((volatile uint32_t *)a, (uint32_t)*cmp, (uint32_t)set);
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ret= (sav == *cmp);
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if (!ret)
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*cmp= sav;
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return ret;
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}
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static inline int my_atomic_cas64(int64 volatile *a, int64 *cmp, int64 set)
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{
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int ret;
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atomic_typeof(uint64_t, *cmp) sav;
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sav= atomic_cas_64((volatile uint64_t *)a, (uint64_t)*cmp, (uint64_t)set);
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ret= (sav == *cmp);
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if (!ret)
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*cmp= sav;
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return ret;
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}
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static inline int my_atomic_casptr(void * volatile *a, void **cmp, void *set)
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{
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int ret;
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atomic_typeof(void *, *cmp) sav;
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sav= atomic_cas_ptr((volatile void **)a, (void *)*cmp, (void *)set);
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ret= (sav == *cmp);
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if (!ret)
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*cmp= sav;
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return ret;
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}
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static inline int32 my_atomic_add32(int32 volatile *a, int32 v)
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{
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int32 nv= atomic_add_32_nv((volatile uint32_t *)a, v);
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return nv - v;
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}
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static inline int64 my_atomic_add64(int64 volatile *a, int64 v)
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{
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int64 nv= atomic_add_64_nv((volatile uint64_t *)a, v);
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return nv - v;
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}
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static inline int32 my_atomic_fas32(int32 volatile *a, int32 v)
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{
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return atomic_swap_32((volatile uint32_t *)a, (uint32_t)v);
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}
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static inline int64 my_atomic_fas64(int64 volatile *a, int64 v)
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{
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return atomic_swap_64((volatile uint64_t *)a, (uint64_t)v);
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}
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static inline void * my_atomic_fasptr(void * volatile *a, void * v)
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{
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return atomic_swap_ptr(a, v);
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}
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static inline int32 my_atomic_load32(int32 volatile *a)
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{
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return atomic_or_32_nv((volatile uint32_t *)a, 0);
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}
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static inline int64 my_atomic_load64(int64 volatile *a)
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{
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return atomic_or_64_nv((volatile uint64_t *)a, 0);
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}
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static inline void* my_atomic_loadptr(void * volatile *a)
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{
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return atomic_add_ptr_nv(a, 0);
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}
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static inline void my_atomic_store32(int32 volatile *a, int32 v)
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{
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(void) atomic_swap_32((volatile uint32_t *)a, (uint32_t)v);
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}
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static inline void my_atomic_store64(int64 volatile *a, int64 v)
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{
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(void) atomic_swap_64((volatile uint64_t *)a, (uint64_t)v);
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}
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static inline void my_atomic_storeptr(void * volatile *a, void *v)
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{
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(void) atomic_swap_ptr((volatile void **)a, (void *)v);
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}
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#endif /* ATOMIC_SOLARIS_INCLUDED */
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