xnu-7195.50.7.100.1.tar.gz

[apple/xnu.git] / libkern / os / base_private.h

diff --git a/libkern/os/base_private.h b/libkern/os/base_private.h
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+/*
+ * Copyright (c) 2008-2013 Apple Inc. All rights reserved.
+ *
+ * @APPLE_APACHE_LICENSE_HEADER_START@
+ *
+ * Licensed 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.
+ *
+ * @APPLE_APACHE_LICENSE_HEADER_END@
+ */
+
+#ifndef __OS_BASE_PRIVATE__
+#define __OS_BASE_PRIVATE__
+
+#ifndef KERNEL
+#include <TargetConditionals.h>
+#endif
+#include <os/base.h>
+
+#ifndef os_fastpath
+#define os_fastpath(x) ((__typeof__(x))OS_EXPECT((long)(x), ~0l))
+#endif
+#ifndef os_slowpath
+#define os_slowpath(x) ((__typeof__(x))OS_EXPECT((long)(x), 0l))
+#endif
+#ifndef os_likely
+#define os_likely(x) OS_EXPECT(!!(x), 1)
+#endif
+#ifndef os_unlikely
+#define os_unlikely(x) OS_EXPECT(!!(x), 0)
+#endif
+
+
+#endif // __OS_BASE_PRIVATE__