1 #ifndef _LINUX__INIT_TASK_H
2 #define _LINUX__INIT_TASK_H
4 #include <linux/rcupdate.h>
5 #include <linux/irqflags.h>
6 #include <linux/utsname.h>
7 #include <linux/lockdep.h>
8 #include <linux/ftrace.h>
10 #include <linux/pid_namespace.h>
11 #include <linux/user_namespace.h>
12 #include <linux/securebits.h>
13 #include <net/net_namespace.h>
16 # define INIT_PUSHABLE_TASKS(tsk) \
17 .pushable_tasks = PLIST_NODE_INIT(tsk.pushable_tasks, MAX_PRIO),
19 # define INIT_PUSHABLE_TASKS(tsk)
22 extern struct files_struct init_files
;
23 extern struct fs_struct init_fs
;
26 #define INIT_THREADGROUP_FORK_LOCK(sig) \
27 .threadgroup_fork_lock = \
28 __RWSEM_INITIALIZER(sig.threadgroup_fork_lock),
30 #define INIT_THREADGROUP_FORK_LOCK(sig)
33 #define INIT_SIGNALS(sig) { \
35 .wait_chldexit = __WAIT_QUEUE_HEAD_INITIALIZER(sig.wait_chldexit),\
37 .list = LIST_HEAD_INIT(sig.shared_pending.list), \
39 .posix_timers = LIST_HEAD_INIT(sig.posix_timers), \
40 .cpu_timers = INIT_CPU_TIMERS(sig.cpu_timers), \
41 .rlim = INIT_RLIMITS, \
43 .cputime = INIT_CPUTIME, \
45 .lock = __RAW_SPIN_LOCK_UNLOCKED(sig.cputimer.lock), \
48 __MUTEX_INITIALIZER(sig.cred_guard_mutex), \
49 INIT_THREADGROUP_FORK_LOCK(sig) \
52 extern struct nsproxy init_nsproxy
;
54 #define INIT_SIGHAND(sighand) { \
55 .count = ATOMIC_INIT(1), \
56 .action = { { { .sa_handler = SIG_DFL, } }, }, \
57 .siglock = __SPIN_LOCK_UNLOCKED(sighand.siglock), \
58 .signalfd_wqh = __WAIT_QUEUE_HEAD_INITIALIZER(sighand.signalfd_wqh), \
61 extern struct group_info init_groups
;
63 #define INIT_STRUCT_PID { \
64 .count = ATOMIC_INIT(1), \
74 .pid_chain = { .next = NULL, .pprev = NULL }, \
78 #define INIT_PID_LINK(type) \
84 .pid = &init_struct_pid, \
87 #ifdef CONFIG_AUDITSYSCALL
95 #ifdef CONFIG_RCU_BOOST
96 #define INIT_TASK_RCU_BOOST() \
97 .rcu_boost_mutex = NULL,
99 #define INIT_TASK_RCU_BOOST()
101 #ifdef CONFIG_TREE_PREEMPT_RCU
102 #define INIT_TASK_RCU_TREE_PREEMPT() \
103 .rcu_blocked_node = NULL,
105 #define INIT_TASK_RCU_TREE_PREEMPT(tsk)
107 #ifdef CONFIG_PREEMPT_RCU
108 #define INIT_TASK_RCU_PREEMPT(tsk) \
109 .rcu_read_lock_nesting = 0, \
110 .rcu_read_unlock_special = 0, \
111 .rcu_node_entry = LIST_HEAD_INIT(tsk.rcu_node_entry), \
112 INIT_TASK_RCU_TREE_PREEMPT() \
113 INIT_TASK_RCU_BOOST()
115 #define INIT_TASK_RCU_PREEMPT(tsk)
118 extern struct cred init_cred
;
120 #ifdef CONFIG_PERF_EVENTS
121 # define INIT_PERF_EVENTS(tsk) \
122 .perf_event_mutex = \
123 __MUTEX_INITIALIZER(tsk.perf_event_mutex), \
124 .perf_event_list = LIST_HEAD_INIT(tsk.perf_event_list),
126 # define INIT_PERF_EVENTS(tsk)
130 * INIT_TASK is used to set up the first task table, touch at
131 * your own risk!. Base=0, limit=0x1fffff (=2MB)
133 #define INIT_TASK(tsk) \
136 .stack = &init_thread_info, \
137 .usage = ATOMIC_INIT(2), \
138 .flags = PF_KTHREAD, \
139 .prio = MAX_PRIO-20, \
140 .static_prio = MAX_PRIO-20, \
141 .normal_prio = MAX_PRIO-20, \
142 .policy = SCHED_NORMAL, \
143 .cpus_allowed = CPU_MASK_ALL, \
145 .active_mm = &init_mm, \
147 .group_node = LIST_HEAD_INIT(tsk.se.group_node), \
150 .run_list = LIST_HEAD_INIT(tsk.rt.run_list), \
152 .nr_cpus_allowed = NR_CPUS, \
154 .tasks = LIST_HEAD_INIT(tsk.tasks), \
155 INIT_PUSHABLE_TASKS(tsk) \
156 .ptraced = LIST_HEAD_INIT(tsk.ptraced), \
157 .ptrace_entry = LIST_HEAD_INIT(tsk.ptrace_entry), \
158 .real_parent = &tsk, \
160 .children = LIST_HEAD_INIT(tsk.children), \
161 .sibling = LIST_HEAD_INIT(tsk.sibling), \
162 .group_leader = &tsk, \
163 RCU_INIT_POINTER(.real_cred, &init_cred), \
164 RCU_INIT_POINTER(.cred, &init_cred), \
166 .thread = INIT_THREAD, \
168 .files = &init_files, \
169 .signal = &init_signals, \
170 .sighand = &init_sighand, \
171 .nsproxy = &init_nsproxy, \
173 .list = LIST_HEAD_INIT(tsk.pending.list), \
176 .alloc_lock = __SPIN_LOCK_UNLOCKED(tsk.alloc_lock), \
177 .journal_info = NULL, \
178 .cpu_timers = INIT_CPU_TIMERS(tsk.cpu_timers), \
179 .pi_lock = __RAW_SPIN_LOCK_UNLOCKED(tsk.pi_lock), \
180 .timer_slack_ns = 50000, /* 50 usec default slack */ \
182 [PIDTYPE_PID] = INIT_PID_LINK(PIDTYPE_PID), \
183 [PIDTYPE_PGID] = INIT_PID_LINK(PIDTYPE_PGID), \
184 [PIDTYPE_SID] = INIT_PID_LINK(PIDTYPE_SID), \
186 .thread_group = LIST_HEAD_INIT(tsk.thread_group), \
187 .dirties = INIT_PROP_LOCAL_SINGLE(dirties), \
189 INIT_PERF_EVENTS(tsk) \
190 INIT_TRACE_IRQFLAGS \
193 INIT_TRACE_RECURSION \
194 INIT_TASK_RCU_PREEMPT(tsk) \
198 #define INIT_CPU_TIMERS(cpu_timers) \
200 LIST_HEAD_INIT(cpu_timers[0]), \
201 LIST_HEAD_INIT(cpu_timers[1]), \
202 LIST_HEAD_INIT(cpu_timers[2]), \
205 /* Attach to the init_task data structure for proper alignment */
206 #define __init_task_data __attribute__((__section__(".data..init_task")))
This page took 0.034696 seconds and 5 git commands to generate.