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use mutexes

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This commit is contained in:
bluepilledgreat 2024-02-03 13:24:28 +00:00
parent b5114c8e73
commit 635d4492aa
3 changed files with 40 additions and 8 deletions
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15
Bloxstrap/App.xaml.cs
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@ -163,19 +163,22 @@ namespace Bloxstrap
InstallChecker.CheckUpgrade();
#endif
using InterProcessLock processLock = new InterProcessLock("Process", TimeSpan.FromMilliseconds(100));
if (LaunchSettings.IsMenuLaunch)
{
Process? menuProcess = Process.GetProcesses().Where(x => x.MainWindowTitle == $"{ProjectName} Menu").FirstOrDefault();
using InterProcessLock menuLock = new InterProcessLock("Menu", TimeSpan.FromMilliseconds(100));
if (menuProcess is not null)
if (!menuLock.IsAcquired)
{
var handle = menuProcess.MainWindowHandle;
Logger.WriteLine(LOG_IDENT, $"Found an already existing menu window with handle {handle}");
PInvoke.SetForegroundWindow((HWND)handle);
Frontend.ShowMessageBox(
"The Bloxstrap menu is already open.",
MessageBoxImage.Error
);
}
else
{
if (Process.GetProcessesByName(ProjectName).Length > 1 && !LaunchSettings.IsQuiet)
if (!processLock.IsAcquired && !LaunchSettings.IsQuiet)
Frontend.ShowMessageBox(
Bloxstrap.Resources.Strings.Menu_AlreadyRunning,
MessageBoxImage.Information

30
Bloxstrap/InterProcessLock.cs Normal file
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@ -0,0 +1,30 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Bloxstrap
{
public class InterProcessLock : IDisposable
{
public Mutex Mutex { get; private set; }
public bool IsAcquired { get; private set; }
public InterProcessLock(string name, TimeSpan timeout)
{
Mutex = new Mutex(false, "Bloxstrap-" + name);
IsAcquired = Mutex.WaitOne(timeout);
}
public void Dispose()
{
if (IsAcquired)
{
Mutex.ReleaseMutex();
IsAcquired = false;
}
}
}
}

3
Bloxstrap/NativeMethods.txt
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@ -1,5 +1,4 @@
SetForegroundWindow
FlashWindow
FlashWindow
GetWindowLong
SetWindowLong
EnumDisplaySettings