struct task_struct *parent: 指向父进程的指针。 struct list_head children: 子进程链表头部。 structmm_struct*mm: 进程地址空间描述符。 struct files_struct *files: 文件描述符表指针。 进程状态 /* * Task state bitmask. NOTE! These bits are also * encoded in fs/proc/array.c: get_task_state(...
struct task_struct __rcu*real_parent;/* real parent process */struct task_struct __rcu*parent;/* recipient of SIGCHLD, wait4() reports */struct list_head children;/* list of my children */struct list_head sibling;/* linkage in my parent's children list */ parent 指向其父进程。当它...
struct task_struct __rcuparent; /recipient of SIGCHLD, wait4() reports/ struct list_head children; /list of my children/ struct list_head sibling; /linkage in my parent’s children list */ parent 指向其父进程。当它终止时,必须向它的父进程发送信号。 children 指向子进程链表的头部。链表中的...
struct task_struct __rcu *parent; /* recipient of SIGCHLD, wait4() reports */ struct list_head children; /* list of my children */ struct list_head sibling; /* linkage in my parent's children list */ parent 指向其父进程。当它终止时,必须向它的父进程发送信号。 children 指向子进程链表...
children表示链表的头部,链表中的所有元素都是它的子进程。sibling用于把当前进程插入到兄弟链表中。group_leader指向其所在进程组的领头进程。6、ptrace系统调用 [cpp] view plain copy unsigned int ptrace; struct list_head ptraced; struct list_head ptrace_entry; unsigned long ptrace_message; siginfo...
structtask_struct__rcu*real_parent;/* real parent process */structtask_struct__rcu*parent;/* recipient of SIGCHLD, wait4() reports */structlist_headchildren;/* list of my children */structlist_headsibling;/* linkage in my parent's children list */ ...
// 打开文件信息 struct signal_struct *sig; // 信号处理信息 pid_t pid; // 进程标识符 pid_t tgid; // 线程组标识符 struct task_struct *parent; // 父进程指针 struct list_head children; // 子进程链表 char comm[16]; // 可执行文件名 struct thread_struct thread;// CPU状态信息 // ....
* Children/sibling form the list of natural children: */struct list_head children;struct list_head sibling;struct task_struct*group_leader;/* * 'ptraced' is the list of tasks this task is using ptrace() on. * * This includes both natural children and PTRACE_ATTACH targets. ...
structlist_head children;/* list of my children */ structlist_head sibling;/* linkage in my parent's children list */ structtask_struct *group_leader;/* threadgroup leader */ 在Linux系统中,所有进程之间都有着直接或间接地联系,每个进程都有其父进程,也可能有零个或多个子进程。拥有同一父进程...
* Children/sibling form the list of natural children: */structlist_headchildren;structlist_headsibling;structtask_struct*group_leader; 8. 进程权限 /* Process credentials: *//* Tracer's credentials at attach: */conststructcred__rcu *ptracer_cred;/* Objective and real subjective task credentials...