77 lines
2.6 KiB
C
77 lines
2.6 KiB
C
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 2002
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Darin Fisher <darin@netscape.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsNetSegmentUtils_h__
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#define nsNetSegmentUtils_h__
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#include "necko-config.h"
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#include "nsIOService.h"
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#ifdef NECKO_SMALL_BUFFERS
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#define NET_DEFAULT_SEGMENT_SIZE 2048
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#define NET_DEFAULT_SEGMENT_COUNT 4
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#else
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#define NET_DEFAULT_SEGMENT_SIZE 4096
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#define NET_DEFAULT_SEGMENT_COUNT 16
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#endif
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/**
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* returns preferred allocator for given segment size. NULL implies
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* system allocator. this result can be used when allocating a pipe.
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*/
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static inline nsIMemory *
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net_GetSegmentAlloc(PRUint32 segsize)
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{
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return (segsize == NET_DEFAULT_SEGMENT_SIZE)
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? nsIOService::gBufferCache
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: nsnull;
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}
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/**
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* applies defaults to segment params in a consistent way.
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*/
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static inline void
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net_ResolveSegmentParams(PRUint32 &segsize, PRUint32 &segcount)
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{
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if (!segsize)
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segsize = NET_DEFAULT_SEGMENT_SIZE;
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if (!segcount)
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segcount = NET_DEFAULT_SEGMENT_COUNT;
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}
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#endif // !nsNetSegmentUtils_h__
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