1/* Licensed to the Apache Software Foundation (ASF) under one or more
2 * contributor license agreements.  See the NOTICE file distributed with
3 * this work for additional information regarding copyright ownership.
4 * The ASF licenses this file to You under the Apache License, Version 2.0
5 * (the "License"); you may not use this file except in compliance with
6 * the License.  You may obtain a copy of the License at
7 *
8 *     http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include "apr_arch_atomic.h"
18
19#ifdef USE_ATOMICS_SOLARIS
20
21#include <atomic.h>
22
23APR_DECLARE(apr_status_t) apr_atomic_init(apr_pool_t *p)
24{
25    return APR_SUCCESS;
26}
27
28APR_DECLARE(apr_uint32_t) apr_atomic_read32(volatile apr_uint32_t *mem)
29{
30    return *mem;
31}
32
33APR_DECLARE(void) apr_atomic_set32(volatile apr_uint32_t *mem, apr_uint32_t val)
34{
35    *mem = val;
36}
37
38APR_DECLARE(apr_uint32_t) apr_atomic_add32(volatile apr_uint32_t *mem, apr_uint32_t val)
39{
40    return atomic_add_32_nv(mem, val) - val;
41}
42
43APR_DECLARE(void) apr_atomic_sub32(volatile apr_uint32_t *mem, apr_uint32_t val)
44{
45    atomic_add_32(mem, -val);
46}
47
48APR_DECLARE(apr_uint32_t) apr_atomic_inc32(volatile apr_uint32_t *mem)
49{
50    return atomic_inc_32_nv(mem) - 1;
51}
52
53APR_DECLARE(int) apr_atomic_dec32(volatile apr_uint32_t *mem)
54{
55    return atomic_dec_32_nv(mem);
56}
57
58APR_DECLARE(apr_uint32_t) apr_atomic_cas32(volatile apr_uint32_t *mem, apr_uint32_t with,
59                                           apr_uint32_t cmp)
60{
61    return atomic_cas_32(mem, cmp, with);
62}
63
64APR_DECLARE(apr_uint32_t) apr_atomic_xchg32(volatile apr_uint32_t *mem, apr_uint32_t val)
65{
66    return atomic_swap_32(mem, val);
67}
68
69APR_DECLARE(void*) apr_atomic_casptr(volatile void **mem, void *with, const void *cmp)
70{
71    return atomic_cas_ptr(mem, (void*) cmp, with);
72}
73
74APR_DECLARE(void*) apr_atomic_xchgptr(volatile void **mem, void *with)
75{
76    return atomic_swap_ptr(mem, with);
77}
78
79#endif /* USE_ATOMICS_SOLARIS */
80