pa_allocation.h

Go to the documentation of this file.
00001 #ifndef PA_ALLOCATION_H
00002 #define PA_ALLOCATION_H
00003 /*
00004  * $Id: pa_allocation.h 1097 2006-08-26 08:27:53Z rossb $
00005  * Portable Audio I/O Library allocation context header
00006  * memory allocation context for tracking allocation groups
00007  *
00008  * Based on the Open Source API proposed by Ross Bencina
00009  * Copyright (c) 1999-2002 Ross Bencina, Phil Burk
00010  *
00011  * Permission is hereby granted, free of charge, to any person obtaining
00012  * a copy of this software and associated documentation files
00013  * (the "Software"), to deal in the Software without restriction,
00014  * including without limitation the rights to use, copy, modify, merge,
00015  * publish, distribute, sublicense, and/or sell copies of the Software,
00016  * and to permit persons to whom the Software is furnished to do so,
00017  * subject to the following conditions:
00018  *
00019  * The above copyright notice and this permission notice shall be
00020  * included in all copies or substantial portions of the Software.
00021  *
00022  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
00023  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00024  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
00025  * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
00026  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
00027  * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
00028  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00029  */
00030 
00031 /*
00032  * The text above constitutes the entire PortAudio license; however, 
00033  * the PortAudio community also makes the following non-binding requests:
00034  *
00035  * Any person wishing to distribute modifications to the Software is
00036  * requested to send the modifications to the original developer so that
00037  * they can be incorporated into the canonical version. It is also 
00038  * requested that these non-binding requests be included along with the 
00039  * license above.
00040  */
00041 
00059 #ifdef __cplusplus
00060 extern "C"
00061 {
00062 #endif /* __cplusplus */
00063 
00064 
00065 typedef struct
00066 {
00067     long linkCount;
00068     struct PaUtilAllocationGroupLink *linkBlocks;
00069     struct PaUtilAllocationGroupLink *spareLinks;
00070     struct PaUtilAllocationGroupLink *allocations;
00071 }PaUtilAllocationGroup;
00072 
00073 
00074 
00077 PaUtilAllocationGroup* PaUtil_CreateAllocationGroup( void );
00078 
00081 void PaUtil_DestroyAllocationGroup( PaUtilAllocationGroup* group );
00082 
00085 void* PaUtil_GroupAllocateMemory( PaUtilAllocationGroup* group, long size );
00086 
00093 void PaUtil_GroupFreeMemory( PaUtilAllocationGroup* group, void *buffer );
00094 
00098 void PaUtil_FreeAllAllocations( PaUtilAllocationGroup* group );
00099 
00100 
00101 #ifdef __cplusplus
00102 }
00103 #endif /* __cplusplus */
00104 #endif /* PA_ALLOCATION_H */

Generated on Wed Aug 22 15:35:47 2007 for PortAudio by  doxygen 1.5.2