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 */