Link the newly created process to the corresponding parent as

if CLONE_PARENT is set, then the parent of the new process will
be the same as that of the calling process.

MFC after:	1 week

This commit is contained in:

Dmitry Chagin

2016-03-08 15:08:22 +00:00

parent 388bc30115

commit 9f4e66afb9

1 changed files with 12 additions and 0 deletions

									
										sys/compat/linux/linux_fork.c
									
		+12
		
												View File
												
				@@ -222,6 +222,18 @@ linux_clone_proc(struct thread *td, struct linux_clone_args *args)

					if (args->flags & LINUX_CLONE_SETTLS)

						linux_set_cloned_tls(td2, args->tls);

					/*

					 * If CLONE_PARENT is set, then the parent of the new process will be 

					 * the same as that of the calling process.

					 */

					if (args->flags & LINUX_CLONE_PARENT) {

						sx_xlock(&proctree_lock);

						PROC_LOCK(p2);

						proc_reparent(p2, td->td_proc->p_pptr);

						PROC_UNLOCK(p2);

						sx_xunlock(&proctree_lock);

					}

				#ifdef DEBUG

					if (ldebug(clone))

						printf(LMSG("clone: successful rfork to %d, "