libXDispatch 0.4
include/libdispatch/semaphore.h
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00001 /*
00002  * Copyright (c) 2008-2009 Apple Inc. All rights reserved.
00003  *
00004  * @APPLE_APACHE_LICENSE_HEADER_START@
00005  * 
00006  * Licensed under the Apache License, Version 2.0 (the "License");
00007  * you may not use this file except in compliance with the License.
00008  * You may obtain a copy of the License at
00009  * 
00010  *     http://www.apache.org/licenses/LICENSE-2.0
00011  * 
00012  * Unless required by applicable law or agreed to in writing, software
00013  * distributed under the License is distributed on an "AS IS" BASIS,
00014  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00015  * See the License for the specific language governing permissions and
00016  * limitations under the License.
00017  * 
00018  * @APPLE_APACHE_LICENSE_HEADER_END@
00019  */
00020 
00021 #ifndef __DISPATCH_SEMAPHORE__
00022 #define __DISPATCH_SEMAPHORE__
00023 
00024 #ifndef __DISPATCH_INDIRECT__
00025 #error "Please #include <xdispatch/dispatch.h> instead of this file directly."
00026 #include <dispatch/base.h> // for HeaderDoc
00027 #endif
00028 
00035 DISPATCH_DECL(dispatch_semaphore);
00036 
00037 __DISPATCH_BEGIN_DECLS
00038 
00058 __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0)
00059 DISPATCH_EXPORT DISPATCH_MALLOC DISPATCH_NOTHROW
00060 dispatch_semaphore_t
00061 dispatch_semaphore_create(long value);
00062 
00083 __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0)
00084 DISPATCH_EXPORT DISPATCH_NONNULL_ALL DISPATCH_NOTHROW
00085 long
00086 dispatch_semaphore_wait(dispatch_semaphore_t dsema, dispatch_time_t timeout);
00087 
00105 __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0)
00106 DISPATCH_EXPORT DISPATCH_NONNULL_ALL DISPATCH_NOTHROW
00107 long
00108 dispatch_semaphore_signal(dispatch_semaphore_t dsema);
00109 
00110 __DISPATCH_END_DECLS
00111 
00112 #endif /* __DISPATCH_SEMAPHORE__ */

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