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feat: attempt to prevent some plugin disposal crashes by stopping Framework::Update event dispatching before unloading

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goat 2021-04-20 22:01:17 +02:00
parent 35d88ac554
commit de98b75336
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GPG key ID: F18F057873895461
2 changed files with 42 additions and 31 deletions
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4
Dalamud/Dalamud.cs
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@ -358,6 +358,10 @@ namespace Dalamud
{
try
{
// this must be done before unloading plugins, to prevent crashes due to errors
// in plugin cleanup
this.Framework.DispatchUpdateEvents = false;
// this must be done before unloading plugins, or it can cause a race condition
// due to rendering happening on another thread, where a plugin might receive
// a render call after it has been disposed, which can crash if it attempts to

9
Dalamud/Game/Internal/Framework.cs
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@ -17,6 +17,8 @@ namespace Dalamud.Game.Internal {
public sealed class Framework : IDisposable {
private readonly Dalamud dalamud;
internal bool DispatchUpdateEvents { get; set; } = true;
[UnmanagedFunctionPointer(CallingConvention.ThisCall)]
private delegate bool OnUpdateDetour(IntPtr framework);
@ -40,7 +42,7 @@ namespace Dalamud.Game.Internal {
/// </summary>
public FrameworkAddressResolver Address { get; }
#region Stats
#region Stats
public static bool StatsEnabled { get; set; }
public static Dictionary<string, List<double>> StatsHistory = new Dictionary<string, List<double>>();
private static Stopwatch statsStopwatch = new Stopwatch();
@ -126,6 +128,8 @@ namespace Dalamud.Game.Internal {
Log.Error(ex, "Exception while handling Framework::Update hook.");
}
if (this.DispatchUpdateEvents)
{
try {
if (StatsEnabled && OnUpdateEvent != null) {
// Stat Tracking for Framework Updates
@ -159,6 +163,7 @@ namespace Dalamud.Game.Internal {
} catch (Exception ex) {
Log.Error(ex, "Exception while dispatching Framework::Update event.");
}
}
return this.updateHook.Original(framework);
}
@ -166,6 +171,8 @@ namespace Dalamud.Game.Internal {
private IntPtr HandleFrameworkDestroy() {
Log.Information("Framework::OnDestroy!");
this.DispatchUpdateEvents = false;
// Store the pointer to the original trampoline location
var originalPtr = Marshal.GetFunctionPointerForDelegate(this.destroyHook.Original);