104 lines
3.0 KiB
C
104 lines
3.0 KiB
C
/**************************************************************************
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*
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* Copyright 2008 VMware, Inc.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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/*
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* Memory functions
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*/
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#ifndef U_MEMORY_H
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#define U_MEMORY_H
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#include "util/u_debug.h"
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#include "util/os_memory.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define MALLOC(_size) os_malloc(_size)
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#define CALLOC(_count, _size) os_calloc(_count, _size)
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#define FREE(_ptr ) os_free(_ptr)
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#define REALLOC(_ptr, _old_size, _size) os_realloc(_ptr, _old_size, _size)
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#define MALLOC_STRUCT(T) (struct T *) MALLOC(sizeof(struct T))
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#define CALLOC_STRUCT(T) (struct T *) CALLOC(1, sizeof(struct T))
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#define CALLOC_VARIANT_LENGTH_STRUCT(T,more_size) ((struct T *) CALLOC(1, sizeof(struct T) + more_size))
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#define align_malloc(_size, _alignment) os_malloc_aligned(_size, _alignment)
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#define align_free(_ptr) os_free_aligned(_ptr)
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#define align_realloc(_ptr, _oldsize, _newsize, _alignment) os_realloc_aligned(_ptr, _oldsize, _newsize, _alignment)
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static inline void *
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align_calloc(size_t size, unsigned long alignment)
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{
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void *ptr = align_malloc(size, alignment);
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if (ptr)
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memset(ptr, 0, size);
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return ptr;
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}
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/**
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* Duplicate a block of memory.
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*/
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static inline void *
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mem_dup(const void *src, size_t size)
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{
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void *dup = MALLOC(size);
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if (dup)
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memcpy(dup, src, size);
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return dup;
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}
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/**
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* Offset of a field in a struct, in bytes.
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*/
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#define Offset(TYPE, MEMBER) ((uintptr_t)&(((TYPE *)NULL)->MEMBER))
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/* Allocate a structure aligned to a cache line. (used to make atomic ops faster) */
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#define MALLOC_STRUCT_CL(T) (struct T *)align_malloc(sizeof(struct T), CACHE_LINE_SIZE)
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#define CALLOC_STRUCT_CL(T) (struct T *)align_calloc(sizeof(struct T), CACHE_LINE_SIZE)
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#define FREE_CL(ptr) align_free(ptr)
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#ifdef __cplusplus
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}
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#endif
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#endif /* U_MEMORY_H */
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