diff options
Diffstat (limited to 'include/linux/init_task.h')
-rw-r--r-- | include/linux/init_task.h | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/include/linux/init_task.h b/include/linux/init_task.h new file mode 100644 index 000000000000..a6a8c1a38d5e --- /dev/null +++ b/include/linux/init_task.h | |||
@@ -0,0 +1,125 @@ | |||
1 | #ifndef _LINUX__INIT_TASK_H | ||
2 | #define _LINUX__INIT_TASK_H | ||
3 | |||
4 | #include <linux/file.h> | ||
5 | |||
6 | #define INIT_FILES \ | ||
7 | { \ | ||
8 | .count = ATOMIC_INIT(1), \ | ||
9 | .file_lock = SPIN_LOCK_UNLOCKED, \ | ||
10 | .max_fds = NR_OPEN_DEFAULT, \ | ||
11 | .max_fdset = __FD_SETSIZE, \ | ||
12 | .next_fd = 0, \ | ||
13 | .fd = &init_files.fd_array[0], \ | ||
14 | .close_on_exec = &init_files.close_on_exec_init, \ | ||
15 | .open_fds = &init_files.open_fds_init, \ | ||
16 | .close_on_exec_init = { { 0, } }, \ | ||
17 | .open_fds_init = { { 0, } }, \ | ||
18 | .fd_array = { NULL, } \ | ||
19 | } | ||
20 | |||
21 | #define INIT_KIOCTX(name, which_mm) \ | ||
22 | { \ | ||
23 | .users = ATOMIC_INIT(1), \ | ||
24 | .dead = 0, \ | ||
25 | .mm = &which_mm, \ | ||
26 | .user_id = 0, \ | ||
27 | .next = NULL, \ | ||
28 | .wait = __WAIT_QUEUE_HEAD_INITIALIZER(name.wait), \ | ||
29 | .ctx_lock = SPIN_LOCK_UNLOCKED, \ | ||
30 | .reqs_active = 0U, \ | ||
31 | .max_reqs = ~0U, \ | ||
32 | } | ||
33 | |||
34 | #define INIT_MM(name) \ | ||
35 | { \ | ||
36 | .mm_rb = RB_ROOT, \ | ||
37 | .pgd = swapper_pg_dir, \ | ||
38 | .mm_users = ATOMIC_INIT(2), \ | ||
39 | .mm_count = ATOMIC_INIT(1), \ | ||
40 | .mmap_sem = __RWSEM_INITIALIZER(name.mmap_sem), \ | ||
41 | .page_table_lock = SPIN_LOCK_UNLOCKED, \ | ||
42 | .mmlist = LIST_HEAD_INIT(name.mmlist), \ | ||
43 | .cpu_vm_mask = CPU_MASK_ALL, \ | ||
44 | .default_kioctx = INIT_KIOCTX(name.default_kioctx, name), \ | ||
45 | } | ||
46 | |||
47 | #define INIT_SIGNALS(sig) { \ | ||
48 | .count = ATOMIC_INIT(1), \ | ||
49 | .wait_chldexit = __WAIT_QUEUE_HEAD_INITIALIZER(sig.wait_chldexit),\ | ||
50 | .shared_pending = { \ | ||
51 | .list = LIST_HEAD_INIT(sig.shared_pending.list), \ | ||
52 | .signal = {{0}}}, \ | ||
53 | .posix_timers = LIST_HEAD_INIT(sig.posix_timers), \ | ||
54 | .cpu_timers = INIT_CPU_TIMERS(sig.cpu_timers), \ | ||
55 | .rlim = INIT_RLIMITS, \ | ||
56 | } | ||
57 | |||
58 | #define INIT_SIGHAND(sighand) { \ | ||
59 | .count = ATOMIC_INIT(1), \ | ||
60 | .action = { { { .sa_handler = NULL, } }, }, \ | ||
61 | .siglock = SPIN_LOCK_UNLOCKED, \ | ||
62 | } | ||
63 | |||
64 | extern struct group_info init_groups; | ||
65 | |||
66 | /* | ||
67 | * INIT_TASK is used to set up the first task table, touch at | ||
68 | * your own risk!. Base=0, limit=0x1fffff (=2MB) | ||
69 | */ | ||
70 | #define INIT_TASK(tsk) \ | ||
71 | { \ | ||
72 | .state = 0, \ | ||
73 | .thread_info = &init_thread_info, \ | ||
74 | .usage = ATOMIC_INIT(2), \ | ||
75 | .flags = 0, \ | ||
76 | .lock_depth = -1, \ | ||
77 | .prio = MAX_PRIO-20, \ | ||
78 | .static_prio = MAX_PRIO-20, \ | ||
79 | .policy = SCHED_NORMAL, \ | ||
80 | .cpus_allowed = CPU_MASK_ALL, \ | ||
81 | .mm = NULL, \ | ||
82 | .active_mm = &init_mm, \ | ||
83 | .run_list = LIST_HEAD_INIT(tsk.run_list), \ | ||
84 | .time_slice = HZ, \ | ||
85 | .tasks = LIST_HEAD_INIT(tsk.tasks), \ | ||
86 | .ptrace_children= LIST_HEAD_INIT(tsk.ptrace_children), \ | ||
87 | .ptrace_list = LIST_HEAD_INIT(tsk.ptrace_list), \ | ||
88 | .real_parent = &tsk, \ | ||
89 | .parent = &tsk, \ | ||
90 | .children = LIST_HEAD_INIT(tsk.children), \ | ||
91 | .sibling = LIST_HEAD_INIT(tsk.sibling), \ | ||
92 | .group_leader = &tsk, \ | ||
93 | .group_info = &init_groups, \ | ||
94 | .cap_effective = CAP_INIT_EFF_SET, \ | ||
95 | .cap_inheritable = CAP_INIT_INH_SET, \ | ||
96 | .cap_permitted = CAP_FULL_SET, \ | ||
97 | .keep_capabilities = 0, \ | ||
98 | .user = INIT_USER, \ | ||
99 | .comm = "swapper", \ | ||
100 | .thread = INIT_THREAD, \ | ||
101 | .fs = &init_fs, \ | ||
102 | .files = &init_files, \ | ||
103 | .signal = &init_signals, \ | ||
104 | .sighand = &init_sighand, \ | ||
105 | .pending = { \ | ||
106 | .list = LIST_HEAD_INIT(tsk.pending.list), \ | ||
107 | .signal = {{0}}}, \ | ||
108 | .blocked = {{0}}, \ | ||
109 | .alloc_lock = SPIN_LOCK_UNLOCKED, \ | ||
110 | .proc_lock = SPIN_LOCK_UNLOCKED, \ | ||
111 | .switch_lock = SPIN_LOCK_UNLOCKED, \ | ||
112 | .journal_info = NULL, \ | ||
113 | .cpu_timers = INIT_CPU_TIMERS(tsk.cpu_timers), \ | ||
114 | } | ||
115 | |||
116 | |||
117 | #define INIT_CPU_TIMERS(cpu_timers) \ | ||
118 | { \ | ||
119 | LIST_HEAD_INIT(cpu_timers[0]), \ | ||
120 | LIST_HEAD_INIT(cpu_timers[1]), \ | ||
121 | LIST_HEAD_INIT(cpu_timers[2]), \ | ||
122 | } | ||
123 | |||
124 | |||
125 | #endif | ||