// 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.

// TODO(fxb/39732): This should be read as "library zx".
library zz;

[Transport = "Syscall"]
protocol timer {
    /// Create a timer.
    timer_create(uint32 options, Clock clock_id) -> (status status, handle<timer> out);

    /// Start a timer.
    /// Rights: handle must be of type ZX_OBJ_TYPE_TIMER and have ZX_RIGHT_WRITE.
    timer_set(handle<timer> handle, time deadline, duration slack) -> (status status);

    /// Cancel a timer.
    /// Rights: handle must be of type ZX_OBJ_TYPE_TIMER and have ZX_RIGHT_WRITE.
    timer_cancel(handle<timer> handle) -> (status status);
};