rt-thread-official/components/lwp/lwp_shm.h

32 lines
663 B
C

/*
* Copyright (c) 2006-2020, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2019-10-12 Jesven first version
*/
#ifndef __LWP_SHM_H__
#define __LWP_SHM_H__
#include <lwp_avl.h>
#ifdef __cplusplus
extern "C" {
#endif
int lwp_shmget(size_t key, size_t size, int create);
int lwp_shmrm(int id);
void* lwp_shmat(int id, void* shm_vaddr);
int lwp_shmdt(void* shm_vaddr);
void *lwp_shminfo(int id);
int lwp_shm_ref_inc(struct rt_lwp *lwp, void *shm_vaddr);
int lwp_shm_ref_dec(struct rt_lwp *lwp, void *shm_vaddr);
#ifdef __cplusplus
}
#endif
#endif /*__LWP_SHM_H__*/