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freebsd/sys/compat/linux/linux_fork.h
2023-08-17 23:54:36 +03:00

104 lines
3.4 KiB
C

/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2021 Dmitry Chagin <dchagin@FreeBSD.org>
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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 _LINUX_FORK_H_
#define _LINUX_FORK_H_
#define LINUX_CLONE_VM 0x00000100
#define LINUX_CLONE_FS 0x00000200
#define LINUX_CLONE_FILES 0x00000400
#define LINUX_CLONE_SIGHAND 0x00000800
#define LINUX_CLONE_PIDFD 0x00001000 /* since Linux 5.2 */
#define LINUX_CLONE_PTRACE 0x00002000
#define LINUX_CLONE_VFORK 0x00004000
#define LINUX_CLONE_PARENT 0x00008000
#define LINUX_CLONE_THREAD 0x00010000
#define LINUX_CLONE_NEWNS 0x00020000 /* New mount NS */
#define LINUX_CLONE_SYSVSEM 0x00040000
#define LINUX_CLONE_SETTLS 0x00080000
#define LINUX_CLONE_PARENT_SETTID 0x00100000
#define LINUX_CLONE_CHILD_CLEARTID 0x00200000
#define LINUX_CLONE_DETACHED 0x00400000 /* Unused */
#define LINUX_CLONE_UNTRACED 0x00800000
#define LINUX_CLONE_CHILD_SETTID 0x01000000
#define LINUX_CLONE_NEWCGROUP 0x02000000 /* New cgroup NS */
#define LINUX_CLONE_NEWUTS 0x04000000
#define LINUX_CLONE_NEWIPC 0x08000000
#define LINUX_CLONE_NEWUSER 0x10000000
#define LINUX_CLONE_NEWPID 0x20000000
#define LINUX_CLONE_NEWNET 0x40000000
#define LINUX_CLONE_IO 0x80000000
/* Flags for the clone3() syscall. */
#define LINUX_CLONE_CLEAR_SIGHAND 0x100000000ULL
#define LINUX_CLONE_INTO_CGROUP 0x200000000ULL
#define LINUX_CLONE_NEWTIME 0x00000080
#define LINUX_CLONE_LEGACY_FLAGS 0xffffffffULL
#define LINUX_CSIGNAL 0x000000ff
#if defined(_KERNEL)
/*
* User-space clone3 args layout.
*/
struct l_user_clone_args {
uint64_t flags;
uint64_t pidfd;
uint64_t child_tid;
uint64_t parent_tid;
uint64_t exit_signal;
uint64_t stack;
uint64_t stack_size;
uint64_t tls;
uint64_t set_tid;
uint64_t set_tid_size;
uint64_t cgroup;
};
/*
* Kernel clone3 args layout.
*/
struct l_clone_args {
uint64_t flags;
l_int *child_tid;
l_int *parent_tid;
l_int exit_signal;
l_ulong stack;
l_ulong stack_size;
l_ulong tls;
};
#define LINUX_CLONE_ARGS_SIZE_VER0 64
int linux_set_upcall(struct thread *, register_t);
int linux_set_cloned_tls(struct thread *, void *);
void linux_thread_detach(struct thread *);
#endif /* defined(_KERNEL) */
#endif /* _LINUX_FORK_H_ */