rt-thread-official/components/lwp/vdso/kernel/vdso_data.h

49 lines
846 B
C

/*
* Copyright (c) 2006-2024 RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2024-07-04 rcitach init ver.
*/
#ifndef _VDSO_KDATA_H
#define _VDSO_KDATA_H
#include <rtatomic.h>
#include <vdso_datapage.h>
#ifdef __cplusplus
extern "C" {
#endif
extern struct vdso_data *vdso_data;
rt_inline
struct vdso_data *_get_k_vdso_data(void)
{
return vdso_data;
}
#define get_k_vdso_data _get_k_vdso_data
rt_inline
void rt_vdso_write_begin(struct vdso_data *vd)
{
rt_atomic_add(&vd[CS_HRES_COARSE].seq, 1);
rt_atomic_add(&vd[CS_RAW].seq, 1);
}
rt_inline
void rt_vdso_write_end(struct vdso_data *vd)
{
rt_atomic_add(&vd[CS_HRES_COARSE].seq, 1);
rt_atomic_add(&vd[CS_RAW].seq, 1);
}
#ifdef __cplusplus
}
#endif
#endif /* _VDSO_KDATA_H */