| #ifndef _LINUX__INIT_TASK_H |
| #define _LINUX__INIT_TASK_H |
| |
| #include <linux/file.h> |
| #include <linux/rcupdate.h> |
| #include <linux/irqflags.h> |
| #include <linux/lockdep.h> |
| |
| #define INIT_FDTABLE \ |
| { \ |
| .max_fds = NR_OPEN_DEFAULT, \ |
| .max_fdset = EMBEDDED_FD_SET_SIZE, \ |
| .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, \ |
| .free_files = NULL, \ |
| .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, \ |
| .pgrp = 1, \ |
| .session = 1, \ |
| } |
| |
| extern struct nsproxy init_nsproxy; |
| #define INIT_NSPROXY(nsproxy) { \ |
| .count = ATOMIC_INIT(1), \ |
| .nslock = SPIN_LOCK_UNLOCKED, \ |
| } |
| |
| #define INIT_SIGHAND(sighand) { \ |
| .count = ATOMIC_INIT(1), \ |
| .action = { { { .sa_handler = NULL, } }, }, \ |
| .siglock = __SPIN_LOCK_UNLOCKED(sighand.siglock), \ |
| } |
| |
| extern struct group_info init_groups; |
| |
| /* |
| * 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, \ |
| .thread_info = &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, \ |
| 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 |