From 15ac33ddcf0e8b1178a7f9256f3d3fb7600f39b7 Mon Sep 17 00:00:00 2001
From: Guillaume Nodet <gnodet@gmail.com>
Date: Fri, 3 Sep 2021 17:14:55 +0200
Subject: [PATCH] Fix CPU loop in sync server

---
 .../main/java/org/mvndaemon/mvnd/sync/IpcServer.java  | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/sync/src/main/java/org/mvndaemon/mvnd/sync/IpcServer.java b/sync/src/main/java/org/mvndaemon/mvnd/sync/IpcServer.java
index 7a9220834..5e3c64260 100644
--- a/sync/src/main/java/org/mvndaemon/mvnd/sync/IpcServer.java
+++ b/sync/src/main/java/org/mvndaemon/mvnd/sync/IpcServer.java
@@ -298,10 +298,19 @@ private void use() {
     private void expirationCheck() {
         while (true) {
             long current = System.nanoTime();
-            if (current - lastUsed > idleTimeout) {
+            long left = (lastUsed + idleTimeout) - current;
+            if (left < 0) {
                 info("IpcServer expired, closing");
                 close();
                 break;
+            } else {
+                try {
+                    Thread.sleep(TimeUnit.NANOSECONDS.toMillis(left));
+                } catch (InterruptedException e) {
+                    info("IpcServer expiration check interrupted, closing");
+                    close();
+                    break;
+                }
             }
         }
     }