public override void Post(SendOrPostCallback d, object state)
{
if (d == null)
{
throw new ArgumentNullException(nameof(d));
}
var data = new InvokeState(d, state, false);
var handle = GCHandle.Alloc(data, GCHandleType.Normal);
GLib.ContextInvoke(IntPtr.Zero, InvokeCallback, GCHandle.ToIntPtr(handle));
}
static partial void InvokeImpl(Action action)
{
using (var mre = new ManualResetEventSlim(false))
{
// if on main thread, callback is executed immediately
// and mre is set before calling Wait().
// Otherwise we block the calling thread until the action is executed.
GLib.ContextInvoke(
IntPtr.Zero,
data =>
{
try { action(); }
finally { mre.Set(); }
return(false);
},
IntPtr.Zero);
mre.Wait();
}
}
public override void Send(SendOrPostCallback d, object state)
{
if (d == null)
{
throw new ArgumentNullException(nameof(d));
}
if (IsMainThread)
{
d(state);
}
else
{
var data = new InvokeState(d, state, true);
var handle = GCHandle.Alloc(data, GCHandleType.Normal);
lock (data)
{
GLib.ContextInvoke(IntPtr.Zero, InvokeCallback, GCHandle.ToIntPtr(handle));
Monitor.Wait(data);
}
}
}