diff options
author | Lorry Tar Creator <lorry-tar-importer@baserock.org> | 2011-08-09 15:52:57 +0000 |
---|---|---|
committer | Lorry <lorry@roadtrain.codethink.co.uk> | 2012-09-25 08:55:51 +0000 |
commit | c52067ca0b79daf6ffae5376481e6fef74849254 (patch) | |
tree | 9a4b19451eb85dcd6e16afb9d49a45a2f4f5aa83 /mozilla/nsprpub/pr/src/cplus/rccv.h | |
parent | 40d4517c5b760454c076064fac192b28a22e7a37 (diff) | |
download | nspr-c52067ca0b79daf6ffae5376481e6fef74849254.tar.gz |
Imported from /srv/lorry/lorry-area/nspr/nspr-4.8.9.tar.gz.HEADnspr-4.8.9master
Diffstat (limited to 'mozilla/nsprpub/pr/src/cplus/rccv.h')
-rw-r--r-- | mozilla/nsprpub/pr/src/cplus/rccv.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/mozilla/nsprpub/pr/src/cplus/rccv.h b/mozilla/nsprpub/pr/src/cplus/rccv.h new file mode 100644 index 0000000..56923af --- /dev/null +++ b/mozilla/nsprpub/pr/src/cplus/rccv.h @@ -0,0 +1,96 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (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.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is the Netscape Portable Runtime (NSPR). + * + * The Initial Developer of the Original Code is + * Netscape Communications Corporation. + * Portions created by the Initial Developer are Copyright (C) 1998-2000 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * + * Alternatively, the contents of this file may be used under the terms of + * either the GNU General Public License Version 2 or later (the "GPL"), or + * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the MPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ + +/* +** RCCondition - C++ wrapper around NSPR's PRCondVar +** +** Conditions have a notion of timeouts. A thread that waits on a condition +** will resume execution when the condition is notified OR when a specified +** interval of time has expired. +** +** Most applications don't adjust the timeouts on conditions. The literature +** would argue that all threads waiting on a single condition must have the +** same semantics. But if an application wishes to modify the timeout with +** (perhaps) each wait call, that modification should be done consistantly +** and under protection of the condition's associated lock. +** +** The default timeout is infinity. +*/ + +#if defined(_RCCOND_H) +#else +#define _RCCOND_H + +#include "rclock.h" +#include "rcbase.h" +#include "rcinrval.h" + +struct PRCondVar; + +class PR_IMPLEMENT(RCCondition): public RCBase +{ +public: + RCCondition(RCLock*); /* associates CV with a lock and infinite tmo */ + virtual ~RCCondition(); + + virtual PRStatus Wait(); /* applies object's current timeout */ + + virtual PRStatus Notify(); /* perhaps ready one thread */ + virtual PRStatus Broadcast(); /* perhaps ready many threads */ + + virtual PRStatus SetTimeout(const RCInterval&); + /* set object's current timeout value */ + +private: + PRCondVar *cv; + RCInterval timeout; + + RCCondition(); + RCCondition(const RCCondition&); + void operator=(const RCCondition&); + +public: + RCInterval GetTimeout() const; +}; /* RCCondition */ + +inline RCCondition::RCCondition(): RCBase() { } +inline RCCondition::RCCondition(const RCCondition&): RCBase() { } +inline void RCCondition::operator=(const RCCondition&) { } + +#endif /* defined(_RCCOND_H) */ + +/* RCCond.h */ |