fix deadlock in rare cases when injecting an asset (#441)

2 files changed, 3 insertions, 2 deletions

diff --git a/docs/release-notes.md b/docs/release-notes.md
index c4c269eb..6b0c5d28 100644
--- a/docs/release-notes.md
+++ b/docs/release-notes.md
@@ -7,6 +7,7 @@
 
 * For modders:
   * Fixed error when accessing a mod-provided API whose underlying class is `internal`.
+  * Fixed deadlock in rare cases when injecting a file with an asset loader.
 
 * For SMAPI developers:
   * All mod assemblies are now rewritten in-memory to support features like mod-provided APIs.
diff --git a/src/SMAPI/Framework/SContentManager.cs b/src/SMAPI/Framework/SContentManager.cs
index ff227fac..463fea0b 100644
--- a/src/SMAPI/Framework/SContentManager.cs
+++ b/src/SMAPI/Framework/SContentManager.cs
@@ -792,12 +792,12 @@ namespace StardewModdingAPI.Framework
         {
             try
             {
-                this.Lock.EnterReadLock();
+                this.Lock.EnterWriteLock();
                 return action();
             }
             finally
             {
-                this.Lock.ExitReadLock();
+                this.Lock.ExitWriteLock();
             }
         }
     }