GIF89a;
Direktori : /usr/src/kernels/3.10.0-957.21.3.el7.centos.plus.x86_64/include/linux/ |
Current File : //usr/src/kernels/3.10.0-957.21.3.el7.centos.plus.x86_64/include/linux/init_task.h |
#ifndef _LINUX__INIT_TASK_H #define _LINUX__INIT_TASK_H #include <linux/rcupdate.h> #include <linux/irqflags.h> #include <linux/utsname.h> #include <linux/lockdep.h> #include <linux/ftrace.h> #include <linux/ipc.h> #include <linux/pid_namespace.h> #include <linux/user_namespace.h> #include <linux/securebits.h> #include <linux/seqlock.h> #include <linux/rbtree.h> #include <net/net_namespace.h> #include <linux/sched/rt.h> #ifdef CONFIG_SMP # define INIT_PUSHABLE_TASKS(tsk) \ .pushable_tasks = PLIST_NODE_INIT(tsk.pushable_tasks, MAX_PRIO), #else # define INIT_PUSHABLE_TASKS(tsk) #endif extern struct files_struct init_files; extern struct fs_struct init_fs; #ifdef CONFIG_CGROUPS #define INIT_GROUP_RWSEM(sig) \ .group_rwsem = __RWSEM_INITIALIZER(sig.group_rwsem), #else #define INIT_GROUP_RWSEM(sig) #endif #ifdef CONFIG_CPUSETS #define INIT_CPUSET_SEQ \ .mems_allowed_seq = SEQCNT_ZERO, #else #define INIT_CPUSET_SEQ #endif #ifndef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE #define INIT_PREV_CPUTIME(x) .prev_cputime = { \ .lock = __RAW_SPIN_LOCK_UNLOCKED(x.prev_cputime.lock), \ }, #else #define INIT_PREV_CPUTIME(x) #endif #define INIT_SIGNALS(sig) { \ .nr_threads = 1, \ .thread_head = LIST_HEAD_INIT(init_task.thread_node), \ .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, \ .cputimer = { \ .cputime = INIT_CPUTIME, \ .running = 0, \ .lock = __RAW_SPIN_LOCK_UNLOCKED(sig.cputimer.lock), \ }, \ INIT_PREV_CPUTIME(sig) \ .cred_guard_mutex = \ __MUTEX_INITIALIZER(sig.cred_guard_mutex), \ INIT_GROUP_RWSEM(sig) \ } extern struct nsproxy init_nsproxy; #define INIT_SIGHAND(sighand) { \ .count = ATOMIC_INIT(1), \ .action = { { { .sa_handler = SIG_DFL, } }, }, \ .siglock = __SPIN_LOCK_UNLOCKED(sighand.siglock), \ .signalfd_wqh = __WAIT_QUEUE_HEAD_INITIALIZER(sighand.signalfd_wqh), \ } extern struct group_info init_groups; #define INIT_STRUCT_PID { \ .count = ATOMIC_INIT(1), \ .tasks = { \ { .first = NULL }, \ { .first = NULL }, \ { .first = NULL }, \ }, \ .level = 0, \ .numbers = { { \ .nr = 0, \ .ns = &init_pid_ns, \ .pid_chain = { .next = NULL, .pprev = NULL }, \ }, } \ } #define INIT_PID_LINK(type) \ { \ .node = { \ .next = NULL, \ .pprev = NULL, \ }, \ .pid = &init_struct_pid, \ } #ifdef CONFIG_AUDITSYSCALL #define INIT_IDS \ .loginuid = INVALID_UID, \ .sessionid = (unsigned int)-1, #else #define INIT_IDS #endif #ifdef CONFIG_RCU_BOOST #define INIT_TASK_RCU_BOOST() \ .rcu_boost_mutex = NULL, #else #define INIT_TASK_RCU_BOOST() #endif #ifdef CONFIG_TREE_PREEMPT_RCU #define INIT_TASK_RCU_TREE_PREEMPT() \ .rcu_blocked_node = NULL, #else #define INIT_TASK_RCU_TREE_PREEMPT(tsk) #endif #ifdef CONFIG_PREEMPT_RCU #define INIT_TASK_RCU_PREEMPT(tsk) \ .rcu_read_lock_nesting = 0, \ .rcu_read_unlock_special = 0, \ .rcu_node_entry = LIST_HEAD_INIT(tsk.rcu_node_entry), \ INIT_TASK_RCU_TREE_PREEMPT() \ INIT_TASK_RCU_BOOST() #else #define INIT_TASK_RCU_PREEMPT(tsk) #endif extern struct cred init_cred; extern struct task_group root_task_group; #ifdef CONFIG_CGROUP_SCHED # define INIT_CGROUP_SCHED(tsk) \ .sched_task_group = &root_task_group, #else # define INIT_CGROUP_SCHED(tsk) #endif #ifdef CONFIG_PERF_EVENTS # define INIT_PERF_EVENTS(tsk) \ .perf_event_mutex = \ __MUTEX_INITIALIZER(tsk.perf_event_mutex), \ .perf_event_list = LIST_HEAD_INIT(tsk.perf_event_list), #else # define INIT_PERF_EVENTS(tsk) #endif #ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN # define INIT_VTIME(tsk) \ .vtime_seqlock = __SEQLOCK_UNLOCKED(tsk.vtime_seqlock), \ .vtime_snap = 0, \ .vtime_snap_whence = VTIME_SYS, #else # define INIT_VTIME(tsk) #endif #define INIT_TASK_COMM "swapper" #ifdef CONFIG_RT_MUTEXES # define INIT_RT_MUTEXES(tsk) \ .pi_waiters = RB_ROOT, \ .pi_waiters_leftmost = NULL, #else # define INIT_RT_MUTEXES(tsk) #endif /* * 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, \ .stack = &init_thread_info, \ .usage = ATOMIC_INIT(2), \ .flags = PF_KTHREAD, \ .prio = MAX_PRIO-20, \ .static_prio = MAX_PRIO-20, \ .normal_prio = MAX_PRIO-20, \ .policy = SCHED_NORMAL, \ .cpus_allowed = CPU_MASK_ALL, \ .nr_cpus_allowed= NR_CPUS, \ .mm = NULL, \ .active_mm = &init_mm, \ .se = { \ .group_node = LIST_HEAD_INIT(tsk.se.group_node), \ }, \ .rt = { \ .run_list = LIST_HEAD_INIT(tsk.rt.run_list), \ .time_slice = RR_TIMESLICE, \ }, \ .tasks = LIST_HEAD_INIT(tsk.tasks), \ INIT_PUSHABLE_TASKS(tsk) \ INIT_CGROUP_SCHED(tsk) \ .ptraced = LIST_HEAD_INIT(tsk.ptraced), \ .ptrace_entry = LIST_HEAD_INIT(tsk.ptrace_entry), \ .real_parent = &tsk, \ .parent = &tsk, \ .children = LIST_HEAD_INIT(tsk.children), \ .sibling = LIST_HEAD_INIT(tsk.sibling), \ .group_leader = &tsk, \ RCU_POINTER_INITIALIZER(real_cred, &init_cred), \ RCU_POINTER_INITIALIZER(cred, &init_cred), \ .comm = INIT_TASK_COMM, \ .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), \ .pi_lock = __RAW_SPIN_LOCK_UNLOCKED(tsk.pi_lock), \ .timer_slack_ns = 50000, /* 50 usec default slack */ \ .pids = { \ [PIDTYPE_PID] = INIT_PID_LINK(PIDTYPE_PID), \ [PIDTYPE_PGID] = INIT_PID_LINK(PIDTYPE_PGID), \ [PIDTYPE_SID] = INIT_PID_LINK(PIDTYPE_SID), \ }, \ .thread_group = LIST_HEAD_INIT(tsk.thread_group), \ .thread_node = LIST_HEAD_INIT(init_signals.thread_head), \ INIT_IDS \ INIT_PERF_EVENTS(tsk) \ INIT_TRACE_IRQFLAGS \ INIT_LOCKDEP \ INIT_FTRACE_GRAPH \ INIT_TRACE_RECURSION \ INIT_TASK_RCU_PREEMPT(tsk) \ INIT_CPUSET_SEQ \ INIT_RT_MUTEXES(tsk) \ INIT_PREV_CPUTIME(tsk) \ INIT_VTIME(tsk) \ } #define INIT_CPU_TIMERS(cpu_timers) \ { \ LIST_HEAD_INIT(cpu_timers[0]), \ LIST_HEAD_INIT(cpu_timers[1]), \ LIST_HEAD_INIT(cpu_timers[2]), \ } /* Attach to the init_task data structure for proper alignment */ #define __init_task_data __attribute__((__section__(".data..init_task"))) #endif