printk("[ShowProcessFamily] Error, PID not exists.\n"); return -1; } p = pid_task(ppid, PIDTYPE_PID); // 格式化输出表头 printk(KERN_INFO"[I]:process itself [P]:parent process [C]:children process\n"); printk(KERN_INFO"%-6s%-20s%-6s%-6s%-20s\n", "Type", "Name", "PID...
cout << "---child is create, pid = "<< getpid() << ",parent-pid:"<< getppid() << endl; } else if(pid > 0) { cout << "---parent process: my child is " << pid << ",my pid:" << getpid() << ",my parent pid:" <<getppid() << endl; } cout << "===end of...
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 */ 进程之间有亲...
ppid = parts[1]returnpid, ppidreturnNone,Noneprocess_name ="example_process"pid, ppid = get_process_info(process_name)ifpidandppid:print(f"Process ID:{pid}")print(f"Parent Process ID:{ppid}")else:print(f"Process '{process_name}' not found.") 这个Python脚本使用subprocess模块调用ps命令,...
intmain(){pid_tpid=fork();if(pid>0){cout<<"in parate process"<<endl;pid_tpr=wait(NULL);cout<<"in parent process,I catched a child process with pid of "<<pid<<endl;}elseif(pid==0){cout<<"in child process,PID="<<getpid()<<" PPID:"<<getppid()<<endl;exit(0);}return0;}...
printf("%s: child %d get data %d\n", msg_pregix, id, n); close(pipefd[0]); exit(0); } } CUTEST_CASE(basic_pipe, parent2children) { intpipefd[2]; pipe(pipefd); for(inti =1; i <=10; i++) write(pipefd[1], &i,sizeof(int)); ...
("child process unlock semop");exit(0);}}else//父进程{printf("This is parent process\n");sleep(1);int ret=semop(semid,&locksembuf,1);if(ret<0){perror("parent process semop lock");exit(0);}if(shmctl(shmid,IPC_STAT,&shmdsbuff)<0)//父进程获取共享内存的信息{perror("shmctl");...
p = copy_process(clone_flags, stack_start, regs, stack_size, child_tidptr, NULL, trace)...
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 */ ...
int pdeath_signal; /* The signal sent when the parent dies */ /* ??? */ unsigned long personality; unsigned did_exec:1; pid_t pid; pid_t tgid; /* * pointers to (original) parent process, youngest child, younger sibling,