From e9d8579bbd4e06e49f3d16fe6e84043ff2d727f2 Mon Sep 17 00:00:00 2001
From: Hongtao Zhang <hongtao_zhang@outlook.com>
Date: Sat, 3 Dec 2022 13:50:30 -0600
Subject: [PATCH] fix concurrency issue (really potentially)

---
 .../Search/Everything/EverythingAPI.cs                    | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/Plugins/Flow.Launcher.Plugin.Explorer/Search/Everything/EverythingAPI.cs b/Plugins/Flow.Launcher.Plugin.Explorer/Search/Everything/EverythingAPI.cs
index 4df2e6b08..5381d729d 100644
--- a/Plugins/Flow.Launcher.Plugin.Explorer/Search/Everything/EverythingAPI.cs
+++ b/Plugins/Flow.Launcher.Plugin.Explorer/Search/Everything/EverythingAPI.cs
@@ -91,9 +91,10 @@ namespace Flow.Launcher.Plugin.Explorer.Search.Everything
 
         public static async ValueTask<bool> IsEverythingRunningAsync(CancellationToken token = default)
         {
+            await _semaphore.WaitAsync(token);
+
             try
             {
-                await _semaphore.WaitAsync(token);
                 EverythingApiDllImport.Everything_GetMajorVersion(); 
                 var result = EverythingApiDllImport.Everything_GetLastError() != StateCode.IPCError;
                 return result;
@@ -119,10 +120,11 @@ namespace Flow.Launcher.Plugin.Explorer.Search.Everything
             if (option.MaxCount < 0)
                 throw new ArgumentOutOfRangeException(nameof(option.MaxCount), option.MaxCount, "MaxCount must be greater than or equal to 0");
             
+            await _semaphore.WaitAsync(token);
+
+            
             try
             {
-                await _semaphore.WaitAsync(token);
-
                 if (token.IsCancellationRequested)
                     yield break;