115 lines
4.1 KiB
C
115 lines
4.1 KiB
C
/****************************************************************************
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* include/nuttx/kmalloc.h
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*
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* Copyright (C) 2007, 2008, 2011 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __INCLUDE_NUTTX_KMALLOC_H
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#define __INCLUDE_NUTTX_KMALLOC_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <sys/types.h>
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#ifndef CONFIG_NUTTX_KERNEL
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# include <stdlib.h>
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# include <nuttx/mm.h>
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#endif
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/****************************************************************************
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* Public Data
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****************************************************************************/
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#undef KMALLOC_EXTERN
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#if defined(__cplusplus)
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# define KMALLOC_EXTERN extern "C"
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extern "C" {
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#else
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# define KMALLOC_EXTERN extern
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#endif
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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/* For a monolithic, kernel-mode NuttX build. Special allocators must be
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* used. Otherwise, the standard allocators prototyped in stdlib.h may
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* be used for both the kernel- and user-mode objects.
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*/
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#ifndef CONFIG_NUTTX_KERNEL
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# define kmm_initialize(h,s) mm_initialize(h,s)
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# define kmm_addregion(h,s) mm_addregion(h,s)
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# define kmm_trysemaphore() mm_trysemaphore()
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# define kmm_givesemaphore() mm_givesemaphore()
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# define kmalloc(s) malloc(s)
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# define kzalloc(s) zalloc(s)
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# define krealloc(p,s) realloc(p,s)
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# define kfree(p) free(p)
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#else
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KMALLOC_EXTERN void kmm_initialize(FAR void *heap_start, size_t heap_size);
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KMALLOC_EXTERN void kmm_addregion(FAR void *heapstart, size_t heapsize);
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KMALLOC_EXTERN int kmm_trysemaphore(void);
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KMALLOC_EXTERN void kmm_givesemaphore(void);
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KMALLOC_EXTERN FAR void *kmalloc(size_t);
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KMALLOC_EXTERN FAR void *kzalloc(size_t);
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KMALLOC_EXTERN FAR void *krealloc(FAR void*, size_t);
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KMALLOC_EXTERN void kfree(FAR void*);
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#endif
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/* Functions defined in os_list.c *******************************************/
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/* Handles memory freed from an interrupt handler */
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KMALLOC_EXTERN void sched_free(FAR void *address);
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#undef KMALLOC_EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __INCLUDE_NUTTX_KMALLOC_H */
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