Function librados_sys::rados_lock_shared

pub unsafe extern "C" fn rados_lock_shared(
    io: rados_ioctx_t, 
    o: *const c_char, 
    name: *const c_char, 
    cookie: *const c_char, 
    tag: *const c_char, 
    desc: *const c_char, 
    duration: *mut timeval, 
    flags: uint8_t
) -> c_int