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| author | dchagin <dchagin@FreeBSD.org> | 2016-03-08 15:08:22 +0000 |
|---|---|---|
| committer | dchagin <dchagin@FreeBSD.org> | 2016-03-08 15:08:22 +0000 |
| commit | 2d946990603c55bc2d363edfe11dfe2387effe6b (patch) | |
| tree | d468e951ab3211582dfebaeb9ce81a197d0b5790 | |
| parent | be66a21f2b223f79565efaf9ae85fdc889fdfbf9 (diff) | |
| download | FreeBSD-src-2d946990603c55bc2d363edfe11dfe2387effe6b.zip FreeBSD-src-2d946990603c55bc2d363edfe11dfe2387effe6b.tar.gz | |
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
| -rw-r--r-- | sys/compat/linux/linux_fork.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/sys/compat/linux/linux_fork.c b/sys/compat/linux/linux_fork.c index c12f198..94d9df5 100644 --- a/sys/compat/linux/linux_fork.c +++ b/sys/compat/linux/linux_fork.c @@ -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, " |
