fork.c (85868995d9d82de5b0de38d695559daddffef893) fork.c (0800d30832ddecf2d9dc40068fed9df95930a8f1)
1/*
2 * linux/kernel/fork.c
3 *
4 * Copyright (C) 1991, 1992 Linus Torvalds
5 */
6
7/*
8 * 'fork.c' contains the help-routines for the 'fork' system call

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1244 }
1245
1246 if (likely(p->pid)) {
1247 add_parent(p);
1248 if (unlikely(p->ptrace & PT_PTRACED))
1249 __ptrace_link(p, current->parent);
1250
1251 if (thread_group_leader(p)) {
1/*
2 * linux/kernel/fork.c
3 *
4 * Copyright (C) 1991, 1992 Linus Torvalds
5 */
6
7/*
8 * 'fork.c' contains the help-routines for the 'fork' system call

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1244 }
1245
1246 if (likely(p->pid)) {
1247 add_parent(p);
1248 if (unlikely(p->ptrace & PT_PTRACED))
1249 __ptrace_link(p, current->parent);
1250
1251 if (thread_group_leader(p)) {
1252 pid_t pgid = process_group(current);
1253 pid_t sid = process_session(current);
1254
1255 p->signal->tty = current->signal->tty;
1252 p->signal->tty = current->signal->tty;
1256 p->signal->pgrp = pgid;
1253 p->signal->pgrp = process_group(current);
1257 set_signal_session(p->signal, process_session(current));
1254 set_signal_session(p->signal, process_session(current));
1258 attach_pid(p, PIDTYPE_PGID, find_pid(pgid));
1259 attach_pid(p, PIDTYPE_SID, find_pid(sid));
1255 attach_pid(p, PIDTYPE_PGID, task_pgrp(current));
1256 attach_pid(p, PIDTYPE_SID, task_session(current));
1260
1261 list_add_tail_rcu(&p->tasks, &init_task.tasks);
1262 __get_cpu_var(process_counts)++;
1263 }
1264 attach_pid(p, PIDTYPE_PID, pid);
1265 nr_threads++;
1266 }
1267

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1258 list_add_tail_rcu(&p->tasks, &init_task.tasks);
1259 __get_cpu_var(process_counts)++;
1260 }
1261 attach_pid(p, PIDTYPE_PID, pid);
1262 nr_threads++;
1263 }
1264

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