#ifndef _LINUX__INIT_TASK_H #define _LINUX__INIT_TASK_H #include #include #include #include #include #include #include #include #include #define INIT_FDTABLE \ { \ .max_fds = NR_OPEN_DEFAULT, \ .fd = &init_files.fd_array[0], \ .close_on_exec = (fd_set *)&init_files.close_on_exec_init, \ .open_fds = (fd_set *)&init_files.open_fds_init, \ .rcu = RCU_HEAD_INIT, \ .next = NULL, \ } #define INIT_FILES \ { \ .count = ATOMIC_INIT(1), \ .fdt = &init_files.fdtab, \ .fdtab = INIT_FDTABLE, \ .file_lock = __SPIN_LOCK_UNLOCKED(init_task.file_lock), \ .next_fd = 0, \ .close_on_exec_init = { { 0, } }, \ .open_fds_init = { { 0, } }, \ .fd_array = { NULL, } \ } #define INIT_KIOCTX(name, which_mm) \ { \ .users = ATOMIC_INIT(1), \ .dead = 0, \ .mm = &which_mm, \ .user_id = 0, \ .next = NULL, \ .wait = __WAIT_QUEUE_HEAD_INITIALIZER(name.wait), \ .ctx_lock = __SPIN_LOCK_UNLOCKED(name.ctx_lock), \ .reqs_active = 0U, \ .max_reqs = ~0U, \ } #define INIT_MM(name) \ { \ .mm_rb = RB_ROOT, \ .pgd = swapper_pg_dir, \ .mm_users = ATOMIC_INIT(2), \ .mm_count = ATOMIC_INIT(1), \ .mmap_sem = __RWSEM_INITIALIZER(name.mmap_sem), \ .page_table_lock = __SPIN_LOCK_UNLOCKED(name.page_table_lock), \ .mmlist = LIST_HEAD_INIT(name.mmlist), \ .cpu_vm_mask = CPU_MASK_ALL, \ } #define INIT_SIGNALS(sig) { \ .count = ATOMIC_INIT(1), \ .wait_chldexit = __WAIT_QUEUE_HEAD_INITIALIZER(sig.wait_chldexit),\ .shared_pending = { \ .list = LIST_HEAD_INIT(sig.shared_pending.list), \ .signal = {{0}}}, \ .posix_timers = LIST_HEAD_INIT(sig.posix_timers), \ .cpu_timers = INIT_CPU_TIMERS(sig.cpu_timers), \ .rlim = INIT_RLIMITS, \ } extern struct nsproxy init_nsproxy; #define INIT_NSPROXY(nsproxy) { \ .pid_ns = &init_pid_ns, \ .count = ATOMIC_INIT(1), \ .uts_ns = &init_uts_ns, \ .mnt_ns = NULL, \ INIT_NET_NS(net_ns) \ INIT_IPC_NS(ipc_ns) \ .user_ns = &init_user_ns, \ } #define INIT_SIGHAND(sighand) { \ .count = ATOMIC_INIT(1), \ .action = { { { .sa_handler = NULL, } }, }, \ .siglock = __SPIN_LOCK_UNLOCKED(sighand.siglock), \ .signalfd_wqh = __WAIT_QUEUE_HEAD_INITIALIZER(sighand.signalfd_wqh), \ } extern struct group_info init_groups; #define INIT_STRUCT_PID { \ .count = ATOMIC_INIT(1), \ .tasks = { \ { .first = &init_task.pids[PIDTYPE_PID].node }, \ { .first = &init_task.pids[PIDTYPE_PGID].node }, \ { .first = &init_task.pids[PIDTYPE_SID].node }, \ }, \ .rcu = RCU_HEAD_INIT, \ .level = 0, \ .numbers = { { \ .nr = 0, \ .ns = &init_pid_ns, \ .pid_chain = { .next = NULL, .pprev = NULL }, \ }, } \ } #define INIT_PID_LINK(type) \ { \ .node = { \ .next = NULL, \ .pprev = &init_struct_pid.tasks[type].first, \ }, \ .pid = &init_struct_pid, \ } /* * INIT_TASK is used to set up the first task table, touch at * your own risk!. Base=0, limit=0x1fffff (=2MB) */ #define INIT_TASK(tsk) \ { \ .state = 0, \ .stack = &init_thread_info, \ .usage = ATOMIC_INIT(2), \ .flags = 0, \ .lock_depth = -1, \ .prio = MAX_PRIO-20, \ .static_prio = MAX_PRIO-20, \ .normal_prio = MAX_PRIO-20, \ .policy = SCHED_NORMAL, \ .cpus_allowed = CPU_MASK_ALL, \ .mm = NULL, \ .active_mm = &init_mm, \ .run_list = LIST_HEAD_INIT(tsk.run_list), \ .ioprio = 0, \ .time_slice = HZ, \ .tasks = LIST_HEAD_INIT(tsk.tasks), \ .ptrace_children= LIST_HEAD_INIT(tsk.ptrace_children), \ .ptrace_list = LIST_HEAD_INIT(tsk.ptrace_list), \ .real_parent = &tsk, \ .parent = &tsk, \ .children = LIST_HEAD_INIT(tsk.children), \ .sibling = LIST_HEAD_INIT(tsk.sibling), \ .group_leader = &tsk, \ .group_info = &init_groups, \ .cap_effective = CAP_INIT_EFF_SET, \ .cap_inheritable = CAP_INIT_INH_SET, \ .cap_permitted = CAP_FULL_SET, \ .keep_capabilities = 0, \ .user = INIT_USER, \ .comm = "swapper", \ .thread = INIT_THREAD, \ .fs = &init_fs, \ .files = &init_files, \ .signal = &init_signals, \ .sighand = &init_sighand, \ .nsproxy = &init_nsproxy, \ .pending = { \ .list = LIST_HEAD_INIT(tsk.pending.list), \ .signal = {{0}}}, \ .blocked = {{0}}, \ .alloc_lock = __SPIN_LOCK_UNLOCKED(tsk.alloc_lock), \ .journal_info = NULL, \ .cpu_timers = INIT_CPU_TIMERS(tsk.cpu_timers), \ .fs_excl = ATOMIC_INIT(0), \ .pi_lock = __SPIN_LOCK_UNLOCKED(tsk.pi_lock), \ .pids = { \ [PIDTYPE_PID] = INIT_PID_LINK(PIDTYPE_PID), \ [PIDTYPE_PGID] = INIT_PID_LINK(PIDTYPE_PGID), \ [PIDTYPE_SID] = INIT_PID_LINK(PIDTYPE_SID), \ }, \ .dirties = INIT_PROP_LOCAL_SINGLE(dirties), \ INIT_TRACE_IRQFLAGS \ INIT_LOCKDEP \ } #define INIT_CPU_TIMERS(cpu_timers) \ { \ LIST_HEAD_INIT(cpu_timers[0]), \ LIST_HEAD_INIT(cpu_timers[1]), \ LIST_HEAD_INIT(cpu_timers[2]), \ } #endif
