/* Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef ATOMIC_H #define ATOMIC_H #include "apr.h" #include "apr_private.h" #include "apr_atomic.h" #include "apr_thread_mutex.h" #if defined(USE_ATOMICS_GENERIC) /* noop */ #elif defined(__GNUC__) && defined(__STRICT_ANSI__) /* force use of generic atomics if building e.g. with -std=c89, which * doesn't allow inline asm */ # define USE_ATOMICS_GENERIC #elif HAVE_ATOMIC_BUILTINS # define USE_ATOMICS_BUILTINS #elif defined(SOLARIS2) && SOLARIS2 >= 10 # define USE_ATOMICS_SOLARIS #elif defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__)) # define USE_ATOMICS_IA32 #elif defined(__GNUC__) && (defined(__PPC__) || defined(__ppc__)) # define USE_ATOMICS_PPC #elif defined(__GNUC__) && (defined(__s390__) || defined(__s390x__)) # define USE_ATOMICS_S390 #else # define USE_ATOMICS_GENERIC #endif #endif /* ATOMIC_H */