1 CLONE_VM 0x00000100 2 CLONE_FS 0x00000200 3 CLONE_FILES 0x00000400 4 CLONE_SIGHAND 0x00000800 5 CLONE_IDLETASK 0x00001000 6 CLONE_PTRACE 0x00002000 7 CLONE_VFORK 0x00004000 8 CLONE_PARENT 0x00008000 9 CLONE_THREAD 0x00010000 10 CLONE_NEWNS 0x00020000 11 CLONE_SYSVSEM 0x00040000 12 CLONE_SETTLS 0x00080000 13 CLONE_PARENT_SETTID 0x00100000 14 CLONE_CHILD_CLEARTID 0x00200000 15 CLONE_UNTRACED 0x00800000 16 CLONE_CHILD_SETTID 0x01000000 17 CLONE_NEWCGROUP 0x02000000 18 CLONE_NEWUTS 0x04000000 19 CLONE_NEWIPC 0x08000000 20 CLONE_NEWUSER 0x10000000 21 CLONE_NEWPID 0x20000000 22 CLONE_NEWNET 0x40000000 23 CLONE_IO 0x80000000 24