123456789101112const { CLONE_VM = 0x100 CLONE_FS = 0x200 CLONE_FILES = 0x400 CLONE_SIGHAND = 0x800 CLONE_PARENT = 0x8000 CLONE_THREAD = 0x10000 CLONE_SETTLS = 0x80000 CLONE_PARENT_SETTID = 0x100000 CLONE_CHILD_CLEARTID = 0x200000 CLONE_IO = 0x80000000}