Ensures time compensation is not less than checkpointRestoreTimeDelta

Ensure the time compensation in milliseconds is not less than the checkpoint restore time delta. Signed-off-by: Jason Feng <[email protected]>
taoliult · Oct 30, 2023 · 2b3ffeb · 2b3ffeb
1 parent f215a7e
commit 2b3ffeb
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/java.base/share/classes/java/util/Timer.java b/src/java.base/share/classes/java/util/Timer.java
@@ -588,7 +588,9 @@ private void mainLoop() {
                             // A zero checkpointRestoreTimeDelta value indicates no Checkpoint performed yet,
                             // it can't be negative, otherwise a RestoreException already was thrown.
                             if (checkpointRestoreTimeDelta > 0) {
+                                // Ensure the time compensation in milliseconds is not less than the checkpoint restore time delta.
                                 task.nextExecutionTime += (checkpointRestoreTimeDelta / 1000000);
+                                task.nextExecutionTime += ((checkpointRestoreTimeDelta % 1000000 == 0) ? 0 : 1);
                                 // clear the flag - only one time adjustment required
                                 task.criuAdjustRequired = false;
                             }