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Diffstat (limited to 'src/util/os_memory_stdc.h')
-rw-r--r-- | src/util/os_memory_stdc.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/src/util/os_memory_stdc.h b/src/util/os_memory_stdc.h new file mode 100644 index 00000000000..c9fde06d8ac --- /dev/null +++ b/src/util/os_memory_stdc.h @@ -0,0 +1,76 @@ +/************************************************************************** + * + * Copyright 2008-2010 VMware, Inc. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +/* + * OS memory management abstractions for the standard C library. + */ + + +#ifndef _OS_MEMORY_H_ +#error "Must not be included directly. Include os_memory.h instead" +#endif + +#include <stdlib.h> + +#include "pipe/p_compiler.h" + + +#define os_malloc(_size) malloc(_size) +#define os_calloc(_count, _size ) calloc(_count, _size ) +#define os_free(_ptr) free(_ptr) + +#define os_realloc( _old_ptr, _old_size, _new_size) \ + realloc(_old_ptr, _new_size + 0*(_old_size)) + + +#if defined(HAVE_POSIX_MEMALIGN) + +static inline void * +os_malloc_aligned(size_t size, size_t alignment) +{ + void *ptr; + alignment = (alignment + sizeof(void*) - 1) & ~(sizeof(void*) - 1); + if(posix_memalign(&ptr, alignment, size) != 0) + return NULL; + return ptr; +} + +#define os_free_aligned(_ptr) free(_ptr) + +#elif defined(PIPE_OS_WINDOWS) + +#include <malloc.h> + +#define os_malloc_aligned(_size, _align) _aligned_malloc(_size, _align) +#define os_free_aligned(_ptr) _aligned_free(_ptr) + +#else + +#include "os_memory_aligned.h" + +#endif |