Function caps::has_cap

pub fn has_cap(
    tid: Option<i32>, 
    cset: CapSet, 
    cap: Capability
) -> Result<bool, CapsError>

Check if a thread contains a capability in a set.

Check if set cset for thread tid contains capability cap. If tid is None, this operates on current thread (tid=0). It cannot check Ambient or Bounding capabilities of other processes.