1251875Speter/* Licensed to the Apache Software Foundation (ASF) under one or more
2251875Speter * contributor license agreements.  See the NOTICE file distributed with
3251875Speter * this work for additional information regarding copyright ownership.
4251875Speter * The ASF licenses this file to You under the Apache License, Version 2.0
5251875Speter * (the "License"); you may not use this file except in compliance with
6251875Speter * the License.  You may obtain a copy of the License at
7251875Speter *
8251875Speter *     http://www.apache.org/licenses/LICENSE-2.0
9251875Speter *
10251875Speter * Unless required by applicable law or agreed to in writing, software
11251875Speter * distributed under the License is distributed on an "AS IS" BASIS,
12251875Speter * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13251875Speter * See the License for the specific language governing permissions and
14251875Speter * limitations under the License.
15251875Speter */
16251875Speter
17251875Speter#ifndef ATOMIC_H
18251875Speter#define ATOMIC_H
19251875Speter
20251875Speter#include "apr.h"
21362181Sdim#include "apr_pools.h"
22251875Speter#include "apr_private.h"
23251875Speter#include "apr_atomic.h"
24251875Speter
25251875Speter#if defined(USE_ATOMICS_GENERIC)
26251875Speter/* noop */
27362181Sdim#elif HAVE_ATOMIC_BUILTINS
28362181Sdim#   define USE_ATOMICS_BUILTINS
29362181Sdim#elif defined(SOLARIS2) && SOLARIS2 >= 10
30362181Sdim#   define USE_ATOMICS_SOLARIS
31362181Sdim#   define NEED_ATOMICS_GENERIC64
32251875Speter#elif defined(__GNUC__) && defined(__STRICT_ANSI__)
33251875Speter/* force use of generic atomics if building e.g. with -std=c89, which
34251875Speter * doesn't allow inline asm */
35251875Speter#   define USE_ATOMICS_GENERIC
36251875Speter#elif defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
37251875Speter#   define USE_ATOMICS_IA32
38362181Sdim#   define NEED_ATOMICS_GENERIC64
39251875Speter#elif defined(__GNUC__) && (defined(__PPC__) || defined(__ppc__))
40251875Speter#   define USE_ATOMICS_PPC
41362181Sdim#   define NEED_ATOMICS_GENERIC64
42251875Speter#elif defined(__GNUC__) && (defined(__s390__) || defined(__s390x__))
43251875Speter#   define USE_ATOMICS_S390
44362181Sdim#   define NEED_ATOMICS_GENERIC64
45251875Speter#else
46251875Speter#   define USE_ATOMICS_GENERIC
47251875Speter#endif
48251875Speter
49362181Sdim#if defined(USE_ATOMICS_GENERIC) || defined (NEED_ATOMICS_GENERIC64)
50362181Sdimapr_status_t apr__atomic_generic64_init(apr_pool_t *p);
51362181Sdim#endif
52362181Sdim
53251875Speter#endif /* ATOMIC_H */
54