rtai-core/malloc/malloc.c File Reference


Detailed Description

Dynamic memory allocation services.

Author:
Philippe Gerum
Copyright (C) 2001,2002,2003,2004 Philippe Gerum <rpm@xenomai.org>.

RTAI is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

RTAI is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with RTAI; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

Dynamic memory allocation services lifted and adapted from the Xenomai nucleus.

This file implements the RTAI dynamic memory allocator based on the algorithm described in "Design of a General Purpose Memory Allocator for the 4.3BSD Unix Kernel" by Marshall K. McKusick and Michael J. Karels.

Include dependency graph for malloc.c:

Include dependency graph

Functions

int rtheap_init (rtheap_t *heap, void *heapaddr, u_long heapsize, u_long pagesize)
 Initialize a memory heap.

void rtheap_destroy (rtheap_t *heap)
 Destroys a memory heap.

void * rtheap_alloc (rtheap_t *heap, u_long size, int mode)
 Allocate a memory block from a memory heap.

int rtheap_free (rtheap_t *heap, void *block)
 Release a memory block to a memory heap.


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