libc_rctlblk_get_local_action,
	libc_rctlblk_get_local_flags,
	libc_rctlblk_get_value,
	libc_rctlblk_size libcFunc
)

// Return the minimum value seen for the zone CPU cap, or 0 if no cap is
// detected.
func getcpucap() uint64 {
	// The resource control block is an opaque object whose size is only
	// known to libc.  In practice, given the contents, it is unlikely to
	// grow beyond 8KB so we'll use a static buffer of that size here.