X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.acorn%2Fsrc%2Forg%2Fsimantics%2Facorn%2FMainProgram.java;h=450ad0618fe84445d68a39427a9095f464d8c81a;hb=2c026f09009e04461d90098736755c0216954dae;hp=78ff9e8995c4162fc347edc9b51bd6f7c69ec4ff;hpb=f23dc81afe57e77d20706a9a94002ce4c72f670d;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.acorn/src/org/simantics/acorn/MainProgram.java b/bundles/org.simantics.acorn/src/org/simantics/acorn/MainProgram.java
index 78ff9e899..450ad0618 100644
--- a/bundles/org.simantics.acorn/src/org/simantics/acorn/MainProgram.java
+++ b/bundles/org.simantics.acorn/src/org/simantics/acorn/MainProgram.java
@@ -250,7 +250,27 @@ public class MainProgram implements Runnable, Closeable {
 			deathBarrier.release();
 		}
 	}
+	
+	static interface MainProgramRunnable {
+		
+		public void run() throws Exception;
+		public void done();
+		
+	}
 
+	public Exception runIdle(MainProgramRunnable runnable) {
+		try {
+			mutex.acquire();
+			runnable.run();
+			return null;
+		} catch (Exception e) {
+			return e;
+		} finally {
+			runnable.done();
+			mutex.release();
+		}
+	}
+	
 	/*
 	 * Mutex for streamLRU is assumed here
 	 *