pgrx_pg_sys

Function heap_inplace_lock

Source 
pub unsafe fn heap_inplace_lock(
    arg_relation: Relation,
    arg_oldtup_ptr: HeapTuple,
    arg_buffer: Buffer,
    arg_release_callback: Option<unsafe extern "C" fn(arg1: *mut c_void)>,
    arg_arg: *mut c_void,
) -> bool