linux/include/uapi/linux/rseq.h

/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
#ifndef _UAPI_LINUX_RSEQ_H
#define _UAPI_LINUX_RSEQ_H

/*
 * linux/rseq.h
 *
 * Restartable sequences system call API
 *
 * Copyright (c) 2015-2018 Mathieu Desnoyers <[email protected]>
 */

#include <linux/types.h>
#include <asm/byteorder.h>

enum rseq_cpu_id_state { … };

enum rseq_flags { … };

enum rseq_cs_flags_bit { … };

enum rseq_cs_flags { … };

/*
 * struct rseq_cs is aligned on 4 * 8 bytes to ensure it is always
 * contained within a single cache-line. It is usually declared as
 * link-time constant data.
 */
struct rseq_cs { … } __attribute__((aligned …));

/*
 * struct rseq is aligned on 4 * 8 bytes to ensure it is always
 * contained within a single cache-line.
 *
 * A single struct rseq per thread is allowed.
 */
struct rseq { … } __attribute__((aligned …));

#endif /* _UAPI_LINUX_RSEQ_H */