CLONE_SYSVSEM 21 include/uapi/linux/sched.h #define CLONE_SYSVSEM 0x00040000 /* share system V SEM_UNDO semantics */ CLONE_SYSVSEM 21 tools/include/uapi/linux/sched.h #define CLONE_SYSVSEM 0x00040000 /* share system V SEM_UNDO semantics */