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panda/src/express/mutexNsprImpl.I

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00001 // Filename: mutexNsprImpl.I
00002 // Created by:  drose (08Aug02)
00003 //
00004 ////////////////////////////////////////////////////////////////////
00005 //
00006 // PANDA 3D SOFTWARE
00007 // Copyright (c) 2001, Disney Enterprises, Inc.  All rights reserved
00008 //
00009 // All use of this software is subject to the terms of the Panda 3d
00010 // Software license.  You should have received a copy of this license
00011 // along with this source code; you will also find a current copy of
00012 // the license at http://www.panda3d.org/license.txt .
00013 //
00014 // To contact the maintainers of this program write to
00015 // panda3d@yahoogroups.com .
00016 //
00017 ////////////////////////////////////////////////////////////////////
00018 
00019 
00020 ////////////////////////////////////////////////////////////////////
00021 //     Function: MutexNsprImpl::Constructor
00022 //       Access: Public
00023 //  Description:
00024 ////////////////////////////////////////////////////////////////////
00025 INLINE MutexNsprImpl::
00026 MutexNsprImpl() {
00027   _lock = PR_NewLock();
00028   nassertv(_lock != (PRLock *)NULL);
00029 }
00030 
00031 ////////////////////////////////////////////////////////////////////
00032 //     Function: MutexNsprImpl::Destructor
00033 //       Access: Public
00034 //  Description:
00035 ////////////////////////////////////////////////////////////////////
00036 INLINE MutexNsprImpl::
00037 ~MutexNsprImpl() {
00038   PR_DestroyLock(_lock);
00039 }
00040 
00041 ////////////////////////////////////////////////////////////////////
00042 //     Function: MutexNsprImpl::lock
00043 //       Access: Public
00044 //  Description: 
00045 ////////////////////////////////////////////////////////////////////
00046 INLINE void MutexNsprImpl::
00047 lock() {
00048   PR_Lock(_lock);
00049 }
00050 
00051 ////////////////////////////////////////////////////////////////////
00052 //     Function: MutexNsprImpl::release
00053 //       Access: Public
00054 //  Description: 
00055 ////////////////////////////////////////////////////////////////////
00056 INLINE void MutexNsprImpl::
00057 release() {
00058   int status = PR_Unlock(_lock);
00059   nassertv(status == PR_SUCCESS);
00060 }

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