mirror of
https://github.com/signalwire/freeswitch.git
synced 2025-05-04 23:28:49 +00:00
fff98f6316
git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@3693 d0543943-73ff-0310-b7d9-9358b9ac24b2
94 lines
2.9 KiB
C
94 lines
2.9 KiB
C
/* -*- 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 ***** */
|
|
|
|
#include "primpl.h"
|
|
|
|
#if defined(_PR_PTHREADS)
|
|
|
|
/*
|
|
** The pthreads version doesn't use these functions.
|
|
*/
|
|
void _PR_InitSegs(void)
|
|
{
|
|
}
|
|
|
|
#else /* _PR_PTHREADS */
|
|
|
|
void _PR_InitSegs(void)
|
|
{
|
|
_PR_MD_INIT_SEGS();
|
|
}
|
|
|
|
/*
|
|
** Allocate a memory segment. The size value is rounded up to the native
|
|
** system page size and a page aligned portion of memory is returned.
|
|
** This memory is not part of the malloc heap. If "vaddr" is not NULL
|
|
** then PR tries to allocate the segment at the desired virtual address.
|
|
*/
|
|
PRSegment* _PR_NewSegment(PRUint32 size, void *vaddr)
|
|
{
|
|
PRSegment *seg;
|
|
|
|
/* calloc the data structure for the segment */
|
|
seg = PR_NEWZAP(PRSegment);
|
|
|
|
if (seg) {
|
|
size = ((size + _pr_pageSize - 1) >> _pr_pageShift) << _pr_pageShift;
|
|
/*
|
|
** Now, allocate the actual segment memory (or map under some OS)
|
|
** The OS specific code decides from where or how to allocate memory.
|
|
*/
|
|
if (_PR_MD_ALLOC_SEGMENT(seg, size, vaddr) != PR_SUCCESS) {
|
|
PR_DELETE(seg);
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
return seg;
|
|
}
|
|
|
|
/*
|
|
** Free a memory segment.
|
|
*/
|
|
void _PR_DestroySegment(PRSegment *seg)
|
|
{
|
|
_PR_MD_FREE_SEGMENT(seg);
|
|
PR_DELETE(seg);
|
|
}
|
|
|
|
#endif /* _PR_PTHREADS */
|