zephyr/include/microkernel/mmap.h

57 lines
2.2 KiB
C

/* microkernel/mmap.h */
/*
* Copyright (c) 1997-2012, 2014 Wind River Systems, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1) Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2) Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3) Neither the name of Wind River Systems nor the names of its contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef MMAP_H
#define MMAP_H
#ifdef __cplusplus
extern "C" {
#endif
extern int task_mem_map_used_get(kmemory_map_t map);
extern int _task_mem_map_alloc(kmemory_map_t mmap, void **mptr, int32_t time);
extern void _task_mem_map_free(kmemory_map_t mmap, void **mptr);
#define task_mem_map_alloc(m, p) _task_mem_map_alloc(m, p, TICKS_NONE)
#define task_mem_map_alloc_wait(m, p) _task_mem_map_alloc(m, p, TICKS_UNLIMITED)
#define task_mem_map_free(m, p) _task_mem_map_free(m, p)
#ifdef CONFIG_SYS_CLOCK_EXISTS
#define task_mem_map_alloc_wait_timeout(m, p, t) _task_mem_map_alloc(m, p, t)
#endif
#ifdef __cplusplus
}
#endif
#endif /* MMAP_H */