rtai-core/include/rtai_shm.h File Reference


Detailed Description

Interface of the RTAI SHM module.

Author:
Paolo Mantegazza
Note:
Copyright © 1999-2004 Paolo Mantegazza <mantegazza@aero.polimi.it>
This program 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.

This program 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 this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

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Defines

#define rtai_kmalloc(name, size)   rt_shm_alloc(name, size, USE_VMALLOC)
 Allocate a chunk of memory to be shared inter-intra kernel modules and Linux processes.

#define rtai_kfree(name)   rt_shm_free(name)
 Free a chunk of shared memory being shared inter-intra kernel modules and Linux processes.

#define rtai_malloc(name, size)   _rt_shm_alloc(0, name, size, USE_VMALLOC, 0)
 Allocate a chunk of memory to be shared inter-intra kernel modules and Linux processes.

#define rt_shm_alloc_adr(start_address, name, size, suprt)   _rt_shm_alloc(start_address, name, size, suprt, 0)
 Allocate a chunk of memory to be shared inter-intra kernel modules and Linux processes.

#define rtai_malloc_adr(start_address, name, size)   _rt_shm_alloc(start_address, name, size, USE_VMALLOC, 0)
 Allocate a chunk of memory to be shared inter-intra kernel modules and Linux processes.

#define rtai_free(name, adr)   rt_shm_free(name)
 Free a chunk of shared memory being shared inter-intra kernel modules and Linux processes.

#define rt_heap_close(name, adr)   rt_shm_free(name)
 Close a real time group heap being shared inter-intra kernel modules and Linux processes.

#define rt_global_heap_open()   rt_heap_open(GLOBAL_HEAP_ID, 0, 0)
 Open the global real time heap to be shared inter-intra kernel modules and Linux processes.

#define rt_global_heap_close()   rt_heap_close(GLOBAL_HEAP_ID, 0)
 Close the global real time heap being shared inter-intra kernel modules and Linux processes.


Functions

int rt_shm_free (unsigned long name)
 Free a chunk of shared memory being shared inter-intra kernel modules and Linux processes.

void * rt_halloc (int size)
 Allocate a chunk of a group real time heap in kernel/user space.

void rt_hfree (void *addr)
 Free a chunk of a group real time heap.

void * rt_named_halloc (unsigned long name, int size)
 Allocate a chunk of a group real time heap in kernel/user space.

void rt_named_hfree (void *addr)
 Free a chunk of a group real time heap.

void * rt_named_malloc (unsigned long name, int size)
 Allocate a chunk of the global real time heap in kernel/user space.

void rt_named_free (void *addr)
 Free a named chunk of the global real time heap.


Generated on Sat Jul 24 19:36:06 2004 for RTAI API by doxygen 1.3.4