linux内核读书笔记（进程数据结构分析）一

include/linux/sched.h
384   struct task_struct {
385     volatile long state;
386     struct thread_info *thread_info;
387     atomic_t usage;
388     unsigned long flags; 
389     unsigned long ptrace;
390
391     int lock_depth;
392
393     int prio, static_prio;
394     struct list_head run_list;
395     prio_array_t *array;
396
397     unsigned long sleep_avg;
398     long interactive_credit;
399     unsigned long long timestamp;
400     int activated;
401
302     unsigned long policy;
403     cpumask_t cpus_allowed;
404     unsigned int time_slice, first_time_slice;
405
406     struct list_head tasks;
407     struct list_head ptrace_children;
408     struct list_head ptrace_list;
409
410     struct mm_struct *mm, *active_mm;
...
413     struct linux_binfmt *binfmt;
414     int exit_code, exit_signal;
415     int pdeath_signal;
...
419     pid_t pid;
420     pid_t tgid;
...
426     struct task_struct *real_parent;
427     struct task_struct *parent;
428     struct list_head children;
429     struct list_head sibling;
430     struct task_struct *group_leader;
...
433     struct pid_link pids[PIDTYPE_MAX];
434
435     wait_queue_head_t wait_chldexit;
436     struct completion *vfork_done;
437     int __user *set_child_tid;
438 &nb