summaryrefslogtreecommitdiffstats
path: root/include/arch/unix/apr_arch_atomic.h
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--include/arch/unix/apr_arch_atomic.h60
1 files changed, 60 insertions, 0 deletions
diff --git a/include/arch/unix/apr_arch_atomic.h b/include/arch/unix/apr_arch_atomic.h
new file mode 100644
index 0000000..ce771ad
--- /dev/null
+++ b/include/arch/unix/apr_arch_atomic.h
@@ -0,0 +1,60 @@
+/* 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_pools.h"
+#include "apr_private.h"
+#include "apr_atomic.h"
+
+#if defined(USE_ATOMICS_GENERIC)
+/* noop */
+#elif HAVE_ATOMIC_BUILTINS
+# define USE_ATOMICS_BUILTINS
+# if HAVE_ATOMIC_BUILTINS64
+# define USE_ATOMICS_BUILTINS64
+# else
+# define NEED_ATOMICS_GENERIC64
+# endif
+#elif defined(SOLARIS2) && SOLARIS2 >= 10
+# define USE_ATOMICS_SOLARIS
+# define NEED_ATOMICS_GENERIC64
+#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 defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
+# define USE_ATOMICS_IA32
+# define NEED_ATOMICS_GENERIC64
+#elif defined(__GNUC__) && (defined(__powerpc__) \
+ || defined(__PPC__) \
+ || defined(__ppc__))
+# define USE_ATOMICS_PPC
+# define NEED_ATOMICS_GENERIC64
+#elif defined(__GNUC__) && (defined(__s390__) || defined(__s390x__))
+# define USE_ATOMICS_S390
+# define NEED_ATOMICS_GENERIC64
+#else
+# define USE_ATOMICS_GENERIC
+#endif
+
+#if defined(USE_ATOMICS_GENERIC) || defined (NEED_ATOMICS_GENERIC64)
+apr_status_t apr__atomic_generic64_init(apr_pool_t *p);
+#endif
+
+#endif /* ATOMIC_H */