1 #ifndef _LINUX__INIT_TASK_H
2 #define _LINUX__INIT_TASK_H
4 #include <linux/file.h>
5 #include <linux/rcupdate.h>
6 #include <linux/irqflags.h>
7 #include <linux/utsname.h>
8 #include <linux/lockdep.h>
10 #include <linux/pid_namespace.h>
12 #define INIT_FDTABLE \
14 .max_fds = NR_OPEN_DEFAULT, \
15 .max_fdset = EMBEDDED_FD_SET_SIZE, \
16 .fd = &init_files.fd_array[0], \
17 .close_on_exec = (fd_set *)&init_files.close_on_exec_init, \
18 .open_fds = (fd_set *)&init_files.open_fds_init, \
19 .rcu = RCU_HEAD_INIT, \
26 .count = ATOMIC_INIT(1), \
27 .fdt = &init_files.fdtab, \
28 .fdtab = INIT_FDTABLE, \
29 .file_lock = __SPIN_LOCK_UNLOCKED(init_task.file_lock), \
31 .close_on_exec_init = { { 0, } }, \
32 .open_fds_init = { { 0, } }, \
33 .fd_array = { NULL, } \
36 #define INIT_KIOCTX(name, which_mm) \
38 .users = ATOMIC_INIT(1), \
43 .wait = __WAIT_QUEUE_HEAD_INITIALIZER(name.wait), \
44 .ctx_lock = __SPIN_LOCK_UNLOCKED(name.ctx_lock), \
49 #define INIT_MM(name) \
52 .pgd = swapper_pg_dir, \
53 .mm_users = ATOMIC_INIT(2), \
54 .mm_count = ATOMIC_INIT(1), \
55 .mmap_sem = __RWSEM_INITIALIZER(name.mmap_sem), \
56 .page_table_lock = __SPIN_LOCK_UNLOCKED(name.page_table_lock), \
57 .mmlist = LIST_HEAD_INIT(name.mmlist), \
58 .cpu_vm_mask = CPU_MASK_ALL, \
61 #define INIT_SIGNALS(sig) { \
62 .count = ATOMIC_INIT(1), \
63 .wait_chldexit = __WAIT_QUEUE_HEAD_INITIALIZER(sig.wait_chldexit),\
65 .list = LIST_HEAD_INIT(sig.shared_pending.list), \
67 .posix_timers = LIST_HEAD_INIT(sig.posix_timers), \
68 .cpu_timers = INIT_CPU_TIMERS(sig.cpu_timers), \
69 .rlim = INIT_RLIMITS, \
75 extern struct nsproxy init_nsproxy;
76 #define INIT_NSPROXY(nsproxy) { \
77 .pid_ns = &init_pid_ns, \
78 .count = ATOMIC_INIT(1), \
79 .nslock = __SPIN_LOCK_UNLOCKED(nsproxy.nslock), \
81 .uts_ns = &init_uts_ns, \
86 #define INIT_SIGHAND(sighand) { \
87 .count = ATOMIC_INIT(1), \
88 .action = { { { .sa_handler = NULL, } }, }, \
89 .siglock = __SPIN_LOCK_UNLOCKED(sighand.siglock), \
92 extern struct group_info init_groups;
95 * INIT_TASK is used to set up the first task table, touch at
96 * your own risk!. Base=0, limit=0x1fffff (=2MB)
98 #define INIT_TASK(tsk) \
101 .thread_info = &init_thread_info, \
102 .usage = ATOMIC_INIT(2), \
105 .prio = MAX_PRIO-20, \
106 .static_prio = MAX_PRIO-20, \
107 .normal_prio = MAX_PRIO-20, \
108 .policy = SCHED_NORMAL, \
109 .cpus_allowed = CPU_MASK_ALL, \
111 .active_mm = &init_mm, \
112 .run_list = LIST_HEAD_INIT(tsk.run_list), \
115 .tasks = LIST_HEAD_INIT(tsk.tasks), \
116 .ptrace_children= LIST_HEAD_INIT(tsk.ptrace_children), \
117 .ptrace_list = LIST_HEAD_INIT(tsk.ptrace_list), \
118 .real_parent = &tsk, \
120 .children = LIST_HEAD_INIT(tsk.children), \
121 .sibling = LIST_HEAD_INIT(tsk.sibling), \
122 .group_leader = &tsk, \
123 .group_info = &init_groups, \
124 .cap_effective = CAP_INIT_EFF_SET, \
125 .cap_inheritable = CAP_INIT_INH_SET, \
126 .cap_permitted = CAP_FULL_SET, \
127 .keep_capabilities = 0, \
130 .thread = INIT_THREAD, \
132 .files = &init_files, \
133 .signal = &init_signals, \
134 .sighand = &init_sighand, \
135 .nsproxy = &init_nsproxy, \
137 .list = LIST_HEAD_INIT(tsk.pending.list), \
140 .alloc_lock = __SPIN_LOCK_UNLOCKED(tsk.alloc_lock), \
141 .journal_info = NULL, \
142 .cpu_timers = INIT_CPU_TIMERS(tsk.cpu_timers), \
143 .fs_excl = ATOMIC_INIT(0), \
144 .pi_lock = SPIN_LOCK_UNLOCKED, \
145 INIT_TRACE_IRQFLAGS \
150 #define INIT_CPU_TIMERS(cpu_timers) \
152 LIST_HEAD_INIT(cpu_timers[0]), \
153 LIST_HEAD_INIT(cpu_timers[1]), \
154 LIST_HEAD_INIT(cpu_timers[2]), \