xref: /aosp_15_r20/external/cronet/third_party/apache-portable-runtime/src/atomic/unix/solaris.c (revision 6777b5387eb2ff775bb5750e3f5d96f37fb7352b)
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