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
apr_atomic_init(apr_pool_t * p)23 APR_DECLARE(apr_status_t) apr_atomic_init(apr_pool_t *p)
24 {
25 return APR_SUCCESS;
26 }
27
apr_atomic_read32(volatile apr_uint32_t * mem)28 APR_DECLARE(apr_uint32_t) apr_atomic_read32(volatile apr_uint32_t *mem)
29 {
30 return *mem;
31 }
32
apr_atomic_set32(volatile apr_uint32_t * mem,apr_uint32_t val)33 APR_DECLARE(void) apr_atomic_set32(volatile apr_uint32_t *mem, apr_uint32_t val)
34 {
35 *mem = val;
36 }
37
apr_atomic_add32(volatile apr_uint32_t * mem,apr_uint32_t val)38 APR_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
apr_atomic_sub32(volatile apr_uint32_t * mem,apr_uint32_t val)43 APR_DECLARE(void) apr_atomic_sub32(volatile apr_uint32_t *mem, apr_uint32_t val)
44 {
45 atomic_add_32(mem, -val);
46 }
47
apr_atomic_inc32(volatile apr_uint32_t * mem)48 APR_DECLARE(apr_uint32_t) apr_atomic_inc32(volatile apr_uint32_t *mem)
49 {
50 return atomic_inc_32_nv(mem) - 1;
51 }
52
apr_atomic_dec32(volatile apr_uint32_t * mem)53 APR_DECLARE(int) apr_atomic_dec32(volatile apr_uint32_t *mem)
54 {
55 return atomic_dec_32_nv(mem);
56 }
57
apr_atomic_cas32(volatile apr_uint32_t * mem,apr_uint32_t with,apr_uint32_t cmp)58 APR_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
apr_atomic_xchg32(volatile apr_uint32_t * mem,apr_uint32_t val)64 APR_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
apr_atomic_casptr(volatile void ** mem,void * with,const void * cmp)69 APR_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
apr_atomic_xchgptr(volatile void ** mem,void * with)74 APR_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