using System;

namespace Unosquare.RaspberryIO.Abstractions {
  /// <summary>
  /// Interface to represent threading methods using interop.
  /// </summary>
  public interface IThreading {
    /// <summary>
    /// Starts a new thread of execution which runs concurrently with your main program.
    /// </summary>
    /// <param name="worker">The thread routine.</param>
    void StartThread(Action worker);

    /// <summary>
    /// Starts a new thread of execution which runs concurrently with your main program.
    /// </summary>
    /// <param name="worker">The thread routine.</param>
    /// <param name="userData">A pointer to the user data.</param>
    /// <returns>A pointer to the new thread.</returns>
    UIntPtr StartThreadEx(Action<UIntPtr> worker, UIntPtr userData);

    /// <summary>
    /// Stops the thread pointed at by handle.
    /// </summary>
    /// <param name="handle">A thread pointer returned by <see cref="StartThreadEx(Action{UIntPtr}, UIntPtr)"/>.</param>
    void StopThreadEx(UIntPtr handle);
  }
}