// Copyright 2019 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// !!! THIS FILE IS NOT YET USED !!!
// See //zircon/system/public/zircon/syscalls.banjo.
// !!! THIS FILE IS NOT YET USED !!!

library zz;

[Transport="Syscall"]
protocol Timer {
    /// Create a timer.
    [Out1="handle<timer>:acquire"]
    Create(uint32 options, ClockKind clock) -> (status status, handle<timer> out);

    /// Start a timer.
    [In0="handle<timer>:rights=WRITE"]
    Set(handle<timer> handle, time deadline, duration slack) -> (status status);

    /// Cancel a timer.
    [In0="handle<timer>:rights=WRITE"]
    Cancel(handle<timer> handle) -> (status status);
};