public static TaskAwaiter<int> GetAwaiter(this Process process)
{
var tcs = new TaskCompletionSource<int>();
process.EnableRaisingEvents = true;
process.Exited += (s, e) => tcs.TrySetResult(process.ExitCode);
if (process.HasExited) tcs.TrySetResult(process.ExitCode);
return tcs.Task.GetAwaiter();
}
/// <summary>
/// Creates an async-compatible countdown event.
/// </summary>
/// <param name="count">The number of signals this event will need before it becomes set. Must be greater than zero.</param>
public AsyncCountdownEvent(int count)
{
_tcs = new TaskCompletionSource();
_count = count;
//Enlightenment.Trace.AsyncCountdownEvent_CountChanged(this, -1, count);
}
/// <summary>
/// Initializes a new instance of the <see cref="TaskCompletionSource"/> class with the specified state and options.
/// </summary>
/// <param name="state">The state to use as the underlying <see cref="Task"/>'s <see cref="IAsyncResult.AsyncState"/>.</param>
/// <param name="creationOptions">The options to use when creating the underlying <see cref="Task"/>.</param>
public TaskCompletionSource(object state, TaskCreationOptions creationOptions)
{
_tcs = new TaskCompletionSource<object>(state, creationOptions);
}
/// <summary>
/// Initializes a new instance of the <see cref="TaskCompletionSource"/> class with the specified options.
/// </summary>
/// <param name="creationOptions">The options to use when creating the underlying <see cref="Task"/>.</param>
public TaskCompletionSource(TaskCreationOptions creationOptions)
{
_tcs = new TaskCompletionSource<object>(creationOptions);
}
/// <summary>
/// Initializes a new instance of the <see cref="TaskCompletionSource"/> class with the specified state.
/// </summary>
/// <param name="state">The state to use as the underlying <see cref="Task"/>'s <see cref="IAsyncResult.AsyncState"/>.</param>
public TaskCompletionSource(object state)
{
_tcs = new TaskCompletionSource<object>(state);
}
/// <summary>
/// Initializes a new instance of the <see cref="TaskCompletionSource"/> class.
/// </summary>
public TaskCompletionSource()
{
_tcs = new TaskCompletionSource<object>();
}