0 *l=J!e8Ep Tţ pN9_I|+z/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _LINUX_SCHED_H #define _LINUX_SCHED_H #include /* * cloning flags: */ #define CSIGNAL 0x000000ff /* signal mask to be sent at exit */ #define CLONE_VM 0x00000100 /* set if VM shared between processes */ #define CLONE_FS 0x00000200 /* set if fs info shared between processes */ #define CLONE_FILES 0x00000400 /* set if open files shared between processes */ #define CLONE_SIGHAND 0x00000800 /* set if signal handlers and blocked signals shared */ #define CLONE_PIDFD 0x00001000 /* set if a pidfd should be placed in parent */ #define CLONE_PTRACE 0x00002000 /* set if we want to let tracing continue on the child too */ #define CLONE_VFORK 0x00004000 /* set if the parent wants the child to wake it up on mm_release */ #define CLONE_PARENT 0x00008000 /* set if we want to have the same parent as the cloner */ #define CLONE_THREAD 0x00010000 /* Same thread group? */ #define CLONE_NEWNS 0x00020000 /* New mount namespace group */ #define CLONE_SYSVSEM 0x00040000 /* share system V SEM_UNDO semantics */ #define CLONE_SETTLS 0x00080000 /* create a new TLS for the child */ #define CLONE_PARENT_SETTID 0x00100000 /* set the TID in the parent */ #define CLONE_CHILD_CLEARTID 0x00200000 /* clear the TID in the child */ #define CLONE_DETACHED 0x00400000 /* Unused, ignored */ #define CLONE_UNTRACED 0x00800000 /* set if the tracing process can't force CLONE_PTRACE on this clone */ #define CLONE_CHILD_SETTID 0x01000000 /* set the TID in the child */ #define CLONE_NEWCGROUP 0x02000000 /* New cgroup namespace */ #define CLONE_NEWUTS 0x04000000 /* New utsname namespace */ #define CLONE_NEWIPC 0x08000000 /* New ipc namespace */ #define CLONE_NEWUSER 0x10000000 /* New user namespace */ #define CLONE_NEWPID 0x20000000 /* New pid namespace */ #define CLONE_NEWNET 0x40000000 /* New network namespace */ #define CLONE_IO 0x80000000 /* Clone io context */ /* Flags for the clone3() syscall. */ #define CLONE_CLEAR_SIGHAND 0x100000000ULL /* Clear any signal handler and reset to SIG_DFL. */ #define CLONE_INTO_CGROUP 0x200000000ULL /* Clone into a specific cgroup given the right permissions. */ /* * cloning flags intersect with CSIGNAL so can be used with unshare and clone3 * syscalls only: */ #define CLONE_NEWTIME 0x00000080 /* New time namespace */ #ifndef __ASSEMBLY__ /** * struct clone_args - arguments for the clone3 syscall * @flags: Flags for the new process as listed above. * All flags are valid except for CSIGNAL and * CLONE_DETACHED. * @pidfd: If CLONE_PIDFD is set, a pidfd will be * returned in this argument. * @child_tid: If CLONE_CHILD_SETTID is set, the TID of the * child process will be returned in the child's * memory. * @parent_tid: If CLONE_PARENT_SETTID is set, the TID of * the child process will be returned in the * parent's memory. * @exit_signal: The exit_signal the parent process will be * sent when the child exits. * @stack: Specify the location of the stack for the * child process. * Note, @stack is expected to point to the * lowest address. The stack direction will be * determined by the kernel and set up * appropriately based on @stack_size. * @stack_size: The size of the stack for the child process. * @tls: If CLONE_SETTLS is set, the tls descriptor * is set to tls. * @set_tid: Pointer to an array of type *pid_t. The size * of the array is defined using @set_tid_size. * This array is used to select PIDs/TIDs for * newly created processes. The first element in * this defines the PID in the most nested PID * namespace. Each additional element in the array * defines the PID in the parent PID namespace of *