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comparison src/share/vm/runtime/mutex.hpp @ 1972:f95d63e2154a

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6989984: Use standard include model for Hospot Summary: Replaced MakeDeps and the includeDB files with more standardized solutions. Reviewed-by: coleenp, kvn, kamg
author stefank
date Tue, 23 Nov 2010 13:22:55 -0800
parents fa83ab460c54
children d2a62e0f25eb
comparison
equal deleted inserted replaced
1971:e33f46fc48ed 1972:f95d63e2154a
1 /* 1 /*
2 * Copyright (c) 1998, 2008, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any 20 * or visit www.oracle.com if you need additional information or have any
21 * questions. 21 * questions.
22 * 22 *
23 */ 23 */
24
25 #ifndef SHARE_VM_RUNTIME_MUTEX_HPP
26 #define SHARE_VM_RUNTIME_MUTEX_HPP
27
28 #include "memory/allocation.hpp"
29 #include "runtime/os.hpp"
30 #include "utilities/histogram.hpp"
24 31
25 // The SplitWord construct allows us to colocate the contention queue 32 // The SplitWord construct allows us to colocate the contention queue
26 // (cxq) with the lock-byte. The queue elements are ParkEvents, which are 33 // (cxq) with the lock-byte. The queue elements are ParkEvents, which are
27 // always aligned on 256-byte addresses - the least significant byte of 34 // always aligned on 256-byte addresses - the least significant byte of
28 // a ParkEvent is always 0. Colocating the lock-byte with the queue 35 // a ParkEvent is always 0. Colocating the lock-byte with the queue
263 ShouldNotReachHere() ; 270 ShouldNotReachHere() ;
264 return false ; 271 return false ;
265 } 272 }
266 }; 273 };
267 274
275
276 #endif // SHARE_VM_RUNTIME_MUTEX_HPP