CLONE_SYSVSEM
if (clone_flags & CLONE_SYSVSEM) {
CLONE_VM|CLONE_FILES|CLONE_SYSVSEM|
if (unshare_flags & (CLONE_NEWIPC|CLONE_SYSVSEM))
if ((flags & (CLONE_NEWIPC | CLONE_SYSVSEM)) ==
(CLONE_NEWIPC | CLONE_SYSVSEM))
CLONE_SIGHAND | CLONE_THREAD | CLONE_SYSVSEM |
CLONE_SIGHAND | CLONE_THREAD | CLONE_SYSVSEM |