imgtools/romtools/rofsbuild/src/cache/cacheablelist.cpp
changeset 600 6d08f4a05d93
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599:fa7a3cc6effd 600:6d08f4a05d93
       
     1 /*
       
     2 * Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of the License "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description: 
       
    15 *
       
    16 */
       
    17 
       
    18 #include <new>
       
    19 #include <queue>
       
    20 #include <stdio.h>
       
    21 #include <stdlib.h>
       
    22 #include <cstring>
       
    23 #include <string>
       
    24 
       
    25 #include <thread/condition_variable.hpp>
       
    26 
       
    27 #include "cache/cacheexception.hpp"
       
    28 #include "cache/cacheentry.hpp"
       
    29 #include "cache/cacheablelist.hpp"
       
    30 
       
    31 
       
    32 CacheableList* CacheableList::Only = (CacheableList*)0;
       
    33 
       
    34 
       
    35 CacheableList* CacheableList::GetInstance(void) throw (CacheException)
       
    36 {
       
    37 	if(! CacheableList::Only)
       
    38 	{
       
    39 		CacheableList::Only = new (std::nothrow) CacheableList();
       
    40 		if(! CacheableList::Only)
       
    41 			throw CacheException(CacheException::RESOURCE_ALLOCATION_FAILURE);
       
    42 	}
       
    43 
       
    44 	return CacheableList::Only;
       
    45 }
       
    46 
       
    47 
       
    48 void CacheableList::AddCacheable(CacheEntry* EntryRef)
       
    49 {
       
    50 	if(1)
       
    51 	{
       
    52 		boost::mutex::scoped_lock lock(this->queuemutex);
       
    53 		this->filelist.push(EntryRef);
       
    54 	}
       
    55 
       
    56 	this->queuecond.notify_all();
       
    57 
       
    58 	return;
       
    59 }
       
    60 
       
    61 
       
    62 CacheEntry* CacheableList::GetCacheable(void)
       
    63 {
       
    64 	boost::mutex::scoped_lock lock(this->queuemutex);
       
    65 	while(this->filelist.empty())
       
    66 		this->queuecond.wait(lock);
       
    67 
       
    68 	CacheEntry* resref = this->filelist.front();
       
    69 	this->filelist.pop();
       
    70 
       
    71 	return resref;
       
    72 }
       
    73 
       
    74 
       
    75 CacheableList::~CacheableList(void)
       
    76 {
       
    77 	return;
       
    78 }
       
    79 
       
    80 
       
    81 CacheableList::CacheableList(void)
       
    82 {
       
    83 	return;
       
    84 }