libdispatch-187.5.tar.gz

[apple/libdispatch.git] / src / once.h

diff --git a/src/once.h b/src/once.h
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--- a/src/once.h
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@@ -1,77 +0,0 @@
-/*
- * Copyright (c) 2008-2009 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 __DISPATCH_ONCE__
-#define __DISPATCH_ONCE__
-
-#ifndef __DISPATCH_INDIRECT__
-#error "Please #include <dispatch/dispatch.h> instead of this file directly."
-#include <dispatch/base.h> // for HeaderDoc
-#endif
-
-__BEGIN_DECLS
-
-/*!
- * @typedef dispatch_once_t
- *
- * @abstract
- * A predicate for use with dispatch_once(). It must be initialized to zero.
- * Note: static and global variables default to zero.
- */
-typedef long dispatch_once_t;
-
-/*!
- * @function dispatch_once
- *
- * @abstract
- * Execute a block once and only once.
- *
- * @param predicate
- * A pointer to a dispatch_once_t that is used to test whether the block has
- * completed or not.
- *
- * @param block
- * The block to execute once.
- *
- * @discussion
- * Always call dispatch_once() before using or testing any variables that are
- * initialized by the block.
- */
-#ifdef __BLOCKS__
-__OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA)
-DISPATCH_NONNULL_ALL DISPATCH_NOTHROW
-void
-dispatch_once(dispatch_once_t *predicate, dispatch_block_t block);
-#ifdef __GNUC__
-#define dispatch_once(x, ...) do { if (__builtin_expect(*(x), ~0l) != ~0l) dispatch_once((x), (__VA_ARGS__)); } while (0)
-#endif
-#endif
-
-__OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_NA)
-DISPATCH_NONNULL1 DISPATCH_NONNULL3 DISPATCH_NOTHROW
-void
-dispatch_once_f(dispatch_once_t *predicate, void *context, void (*function)(void *));
-#ifdef __GNUC__
-#define dispatch_once_f(x, y, z) do { if (__builtin_expect(*(x), ~0l) != ~0l) dispatch_once_f((x), (y), (z)); } while (0)
-#endif
-
-__END_DECLS
-
-#endif