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104 lines
3.4 KiB
C
104 lines
3.4 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2021 Dmitry Chagin <dchagin@FreeBSD.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _LINUX_FORK_H_
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#define _LINUX_FORK_H_
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#define LINUX_CLONE_VM 0x00000100
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#define LINUX_CLONE_FS 0x00000200
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#define LINUX_CLONE_FILES 0x00000400
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#define LINUX_CLONE_SIGHAND 0x00000800
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#define LINUX_CLONE_PIDFD 0x00001000 /* since Linux 5.2 */
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#define LINUX_CLONE_PTRACE 0x00002000
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#define LINUX_CLONE_VFORK 0x00004000
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#define LINUX_CLONE_PARENT 0x00008000
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#define LINUX_CLONE_THREAD 0x00010000
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#define LINUX_CLONE_NEWNS 0x00020000 /* New mount NS */
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#define LINUX_CLONE_SYSVSEM 0x00040000
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#define LINUX_CLONE_SETTLS 0x00080000
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#define LINUX_CLONE_PARENT_SETTID 0x00100000
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#define LINUX_CLONE_CHILD_CLEARTID 0x00200000
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#define LINUX_CLONE_DETACHED 0x00400000 /* Unused */
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#define LINUX_CLONE_UNTRACED 0x00800000
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#define LINUX_CLONE_CHILD_SETTID 0x01000000
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#define LINUX_CLONE_NEWCGROUP 0x02000000 /* New cgroup NS */
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#define LINUX_CLONE_NEWUTS 0x04000000
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#define LINUX_CLONE_NEWIPC 0x08000000
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#define LINUX_CLONE_NEWUSER 0x10000000
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#define LINUX_CLONE_NEWPID 0x20000000
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#define LINUX_CLONE_NEWNET 0x40000000
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#define LINUX_CLONE_IO 0x80000000
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/* Flags for the clone3() syscall. */
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#define LINUX_CLONE_CLEAR_SIGHAND 0x100000000ULL
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#define LINUX_CLONE_INTO_CGROUP 0x200000000ULL
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#define LINUX_CLONE_NEWTIME 0x00000080
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#define LINUX_CLONE_LEGACY_FLAGS 0xffffffffULL
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#define LINUX_CSIGNAL 0x000000ff
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#if defined(_KERNEL)
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/*
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* User-space clone3 args layout.
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*/
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struct l_user_clone_args {
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uint64_t flags;
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uint64_t pidfd;
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uint64_t child_tid;
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uint64_t parent_tid;
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uint64_t exit_signal;
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uint64_t stack;
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uint64_t stack_size;
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uint64_t tls;
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uint64_t set_tid;
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uint64_t set_tid_size;
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uint64_t cgroup;
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};
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/*
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* Kernel clone3 args layout.
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*/
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struct l_clone_args {
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uint64_t flags;
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l_int *child_tid;
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l_int *parent_tid;
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l_int exit_signal;
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l_ulong stack;
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l_ulong stack_size;
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l_ulong tls;
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};
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#define LINUX_CLONE_ARGS_SIZE_VER0 64
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int linux_set_upcall(struct thread *, register_t);
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int linux_set_cloned_tls(struct thread *, void *);
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void linux_thread_detach(struct thread *);
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#endif /* defined(_KERNEL) */
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#endif /* _LINUX_FORK_H_ */
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