| 1 | #ifndef _LINUX__INIT_TASK_H |
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| 2 | #define _LINUX__INIT_TASK_H |
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| 3 | |
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| 4 | #include <linux/file.h> |
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| 5 | |
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| 6 | #define INIT_FILES \ |
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| 7 | { \ |
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| 8 | .count = ATOMIC_INIT(1), \ |
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| 9 | .file_lock = SPIN_LOCK_UNLOCKED, \ |
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| 10 | .max_fds = NR_OPEN_DEFAULT, \ |
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| 11 | .max_fdset = __FD_SETSIZE, \ |
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| 12 | .next_fd = 0, \ |
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| 13 | .fd = &init_files.fd_array[0], \ |
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| 14 | .close_on_exec = &init_files.close_on_exec_init, \ |
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| 15 | .open_fds = &init_files.open_fds_init, \ |
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| 16 | .close_on_exec_init = { { 0, } }, \ |
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| 17 | .open_fds_init = { { 0, } }, \ |
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| 18 | .fd_array = { NULL, } \ |
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| 19 | } |
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| 20 | |
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| 21 | #define INIT_KIOCTX(name, which_mm) \ |
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| 22 | { \ |
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| 23 | .users = ATOMIC_INIT(1), \ |
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| 24 | .dead = 0, \ |
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| 25 | .mm = &which_mm, \ |
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| 26 | .user_id = 0, \ |
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| 27 | .next = NULL, \ |
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| 28 | .wait = __WAIT_QUEUE_HEAD_INITIALIZER(name.wait), \ |
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| 29 | .ctx_lock = SPIN_LOCK_UNLOCKED, \ |
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| 30 | .reqs_active = 0U, \ |
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| 31 | .max_reqs = ~0U, \ |
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| 32 | } |
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| 33 | |
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| 34 | #define INIT_MM(name) \ |
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| 35 | { \ |
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| 36 | .mm_rb = RB_ROOT, \ |
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| 37 | .pgd = swapper_pg_dir, \ |
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| 38 | .mm_users = ATOMIC_INIT(2), \ |
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| 39 | .mm_count = ATOMIC_INIT(1), \ |
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| 40 | .mmap_sem = __RWSEM_INITIALIZER(name.mmap_sem), \ |
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| 41 | .page_table_lock = SPIN_LOCK_UNLOCKED, \ |
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| 42 | .mmlist = LIST_HEAD_INIT(name.mmlist), \ |
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| 43 | .cpu_vm_mask = CPU_MASK_ALL, \ |
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| 44 | .default_kioctx = INIT_KIOCTX(name.default_kioctx, name), \ |
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| 45 | } |
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| 46 | |
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| 47 | #define INIT_SIGNALS(sig) { \ |
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| 48 | .count = ATOMIC_INIT(1), \ |
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| 49 | .wait_chldexit = __WAIT_QUEUE_HEAD_INITIALIZER(sig.wait_chldexit),\ |
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| 50 | .shared_pending = { \ |
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| 51 | .list = LIST_HEAD_INIT(sig.shared_pending.list), \ |
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| 52 | .signal = {{0}}}, \ |
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| 53 | .posix_timers = LIST_HEAD_INIT(sig.posix_timers), \ |
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| 54 | .cpu_timers = INIT_CPU_TIMERS(sig.cpu_timers), \ |
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| 55 | .rlim = INIT_RLIMITS, \ |
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| 56 | } |
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| 57 | |
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| 58 | #define INIT_SIGHAND(sighand) { \ |
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| 59 | .count = ATOMIC_INIT(1), \ |
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| 60 | .action = { { { .sa_handler = NULL, } }, }, \ |
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| 61 | .siglock = SPIN_LOCK_UNLOCKED, \ |
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| 62 | } |
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| 63 | |
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| 64 | extern struct group_info init_groups; |
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| 65 | |
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| 66 | /* |
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| 67 | * INIT_TASK is used to set up the first task table, touch at |
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| 68 | * your own risk!. Base=0, limit=0x1fffff (=2MB) |
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| 69 | */ |
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| 70 | #define INIT_TASK(tsk) \ |
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| 71 | { \ |
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| 72 | .state = 0, \ |
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| 73 | .thread_info = &init_thread_info, \ |
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| 74 | .usage = ATOMIC_INIT(2), \ |
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| 75 | .flags = 0, \ |
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| 76 | .lock_depth = -1, \ |
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| 77 | .prio = MAX_PRIO-20, \ |
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| 78 | .static_prio = MAX_PRIO-20, \ |
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| 79 | .policy = SCHED_NORMAL, \ |
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| 80 | .cpus_allowed = CPU_MASK_ALL, \ |
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| 81 | .mm = NULL, \ |
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| 82 | .active_mm = &init_mm, \ |
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| 83 | .run_list = LIST_HEAD_INIT(tsk.run_list), \ |
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| 84 | .time_slice = HZ, \ |
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| 85 | .tasks = LIST_HEAD_INIT(tsk.tasks), \ |
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| 86 | .ptrace_children= LIST_HEAD_INIT(tsk.ptrace_children), \ |
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| 87 | .ptrace_list = LIST_HEAD_INIT(tsk.ptrace_list), \ |
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| 88 | .real_parent = &tsk, \ |
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| 89 | .parent = &tsk, \ |
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| 90 | .children = LIST_HEAD_INIT(tsk.children), \ |
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| 91 | .sibling = LIST_HEAD_INIT(tsk.sibling), \ |
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| 92 | .group_leader = &tsk, \ |
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| 93 | .group_info = &init_groups, \ |
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| 94 | .cap_effective = CAP_INIT_EFF_SET, \ |
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| 95 | .cap_inheritable = CAP_INIT_INH_SET, \ |
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| 96 | .cap_permitted = CAP_FULL_SET, \ |
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| 97 | .keep_capabilities = 0, \ |
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| 98 | .user = INIT_USER, \ |
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| 99 | .comm = "swapper", \ |
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| 100 | .thread = INIT_THREAD, \ |
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| 101 | .fs = &init_fs, \ |
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| 102 | .files = &init_files, \ |
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| 103 | .signal = &init_signals, \ |
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| 104 | .sighand = &init_sighand, \ |
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| 105 | .pending = { \ |
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| 106 | .list = LIST_HEAD_INIT(tsk.pending.list), \ |
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| 107 | .signal = {{0}}}, \ |
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| 108 | .blocked = {{0}}, \ |
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| 109 | .alloc_lock = SPIN_LOCK_UNLOCKED, \ |
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| 110 | .proc_lock = SPIN_LOCK_UNLOCKED, \ |
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| 111 | .switch_lock = SPIN_LOCK_UNLOCKED, \ |
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| 112 | .journal_info = NULL, \ |
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| 113 | .cpu_timers = INIT_CPU_TIMERS(tsk.cpu_timers), \ |
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| 114 | } |
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| 115 | |
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| 116 | |
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| 117 | #define INIT_CPU_TIMERS(cpu_timers) \ |
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| 118 | { \ |
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| 119 | LIST_HEAD_INIT(cpu_timers[0]), \ |
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| 120 | LIST_HEAD_INIT(cpu_timers[1]), \ |
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| 121 | LIST_HEAD_INIT(cpu_timers[2]), \ |
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| 122 | } |
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| 123 | |
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| 124 | |
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| 125 | #endif |
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