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lightning-sunbird  0.9+nobinonly
rclock.cpp
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00001 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 
00003 /* ***** BEGIN LICENSE BLOCK *****
00004  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00005  *
00006  * The contents of this file are subject to the Mozilla Public License Version
00007  * 1.1 (the "License"); you may not use this file except in compliance with
00008  * the License. You may obtain a copy of the License at
00009  * http://www.mozilla.org/MPL/
00010  *
00011  * Software distributed under the License is distributed on an "AS IS" basis,
00012  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00013  * for the specific language governing rights and limitations under the
00014  * License.
00015  *
00016  * The Original Code is the Netscape Portable Runtime (NSPR).
00017  *
00018  * The Initial Developer of the Original Code is
00019  * Netscape Communications Corporation.
00020  * Portions created by the Initial Developer are Copyright (C) 1998-2000
00021  * the Initial Developer. All Rights Reserved.
00022  *
00023  * Contributor(s):
00024  *
00025  * Alternatively, the contents of this file may be used under the terms of
00026  * either the GNU General Public License Version 2 or later (the "GPL"), or
00027  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00028  * in which case the provisions of the GPL or the LGPL are applicable instead
00029  * of those above. If you wish to allow use of your version of this file only
00030  * under the terms of either the GPL or the LGPL, and not to allow others to
00031  * use your version of this file under the terms of the MPL, indicate your
00032  * decision by deleting the provisions above and replace them with the notice
00033  * and other provisions required by the GPL or the LGPL. If you do not delete
00034  * the provisions above, a recipient may use your version of this file under
00035  * the terms of any one of the MPL, the GPL or the LGPL.
00036  *
00037  * ***** END LICENSE BLOCK ***** */
00038 /*
00039 ** C++ access to NSPR locks (PRLock)
00040 */
00041 
00042 #include "rclock.h"
00043 #include <prlog.h>
00044 
00045 RCLock::RCLock()
00046 {
00047     lock = PR_NewLock();  /* it might be NULL */
00048     PR_ASSERT(NULL != lock);
00049 }  /* RCLock::RCLock */
00050 
00051 RCLock::~RCLock()
00052 {
00053     if (NULL != lock) PR_DestroyLock(lock);
00054     lock = NULL;
00055 }  /* RCLock::~RCLock */
00056 
00057 void RCLock::Acquire()
00058 {
00059     PR_ASSERT(NULL != lock);
00060     PR_Lock(lock);
00061 }  /* RCLock::Acquire */
00062 
00063 void RCLock::Release()
00064 {
00065     PRStatus rv;
00066     PR_ASSERT(NULL != lock);
00067     rv = PR_Unlock(lock);
00068     PR_ASSERT(PR_SUCCESS == rv);
00069 }  /* RCLock::Release */
00070 
00071 /* RCLock.cpp */
00072