// C# binding for watchdog timer services in libsimpleio.so
// Copyright (C)2017-2023, Philip Munts dba Munts Technologies.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
using System.Runtime.InteropServices;
namespace IO.Bindings
{
public static partial class libsimpleio
{
///
/// Open a Linux watchdog timer device.
///
/// Device node name.
/// File descriptor.
/// Error code. Zero upon success or an errno
/// value upon failure.
[DllImport("simpleio")]
public static extern void WATCHDOG_open(string devname, out int fd,
out int error);
///
/// Close a Linux watchdog timer device.
///
/// File descriptor.
/// Error code. Zero upon success or an errno
/// value upon failure.
[DllImport("simpleio")]
public static extern void WATCHDOG_close(int fd, out int error);
///
/// Query a Linux watchdog timer device.
///
/// File descriptor.
/// Timeout period in seconds.
/// Error code. Zero upon success or an errno
/// value upon failure.
[DllImport("simpleio")]
public static extern void WATCHDOG_get_timeout(int fd, out int timeout,
out int error);
///
/// Change the watchdog timer period.
///
/// File descriptor.
/// Requested timeout period in seconds.
/// Actual timeout period in seconds.
/// Error code. Zero upon success or an errno
/// value upon failure.
/// Not all platforms allow changing the timeout period.
/// Some platforms may not allow increasing the period.
[DllImport("simpleio")]
public static extern void WATCHDOG_set_timeout(int fd, int newtimeout,
out int timeout, out int error);
///
/// Reset the watchdog timer.
///
/// File descriptor.
/// Error code. Zero upon success or an errno
/// value upon failure.
[DllImport("simpleio")]
public static extern void WATCHDOG_kick(int fd, out int error);
}
}