Mercurial > hg > truffle
view agent/src/os/win32/Monitor.hpp @ 988:7e309ecb83ce
6879362: assert(!klass_is_exact(),"only non-exact klass")
Summary: Do nothing for AddP node which has type not related to the type of allocated object.
Reviewed-by: never
author | kvn |
---|---|
date | Tue, 15 Sep 2009 19:03:39 -0700 |
parents | a61af66fc99e |
children | c18cbe5936b8 |
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/* * Copyright 2001 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ #ifndef _MONITOR_ #define _MONITOR_ #include <windows.h> class Monitor { public: Monitor(); ~Monitor(); void lock(); void unlock(); // Default time is forever (i.e, zero). Returns true if it times-out, otherwise // false. bool wait(long timeout = 0); bool notify(); bool notifyAll(); private: HANDLE owner(); void setOwner(HANDLE owner); bool ownedBySelf(); HANDLE _owner; long _lock_count; HANDLE _lock_event; // Auto-reset event for blocking in lock() HANDLE _wait_event; // Manual-reset event for notifications long _counter; // Current number of notifications long _waiters; // Number of threads waiting for notification long _tickets; // Number of waiters to be notified }; #endif // #defined _MONITOR_