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Code Releases Activity

Introduce a system property that can disable file locking, Fix #236

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Per Minborg
2020-10-22 16:29:25 +02:00
parent ed2becd838
commit d394ce70b7
1 changed files with 2 additions and 2 deletions
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src/main/java/net/openhft/chronicle/map/FileLockUtil.java
+2 -2
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@@ -19,7 +19,7 @@ public final class FileLockUtil {
* Java file locks are maintained on a per JVM basis. So we need to manage them.
*/
private static final ConcurrentHashMap<File, FileLockReference> FILE_LOCKS = new ConcurrentHashMap<>();
private static final boolean USE_LOCKING = !OS.isWindows();
private static final boolean USE_LOCKING = !OS.isWindows() && !Boolean.getBoolean("chronicle.map.disable.locking");
private static final AtomicBoolean LOCK_WARNING_PRINTED = new AtomicBoolean();
private FileLockUtil() { }
@@ -178,7 +178,7 @@ public final class FileLockUtil {
private static void printWarningTheFirstTime() {
if (LOCK_WARNING_PRINTED.compareAndSet(false, true)) {
Jvm.warn().on(FileLockUtil.class, "File locking is not supported on this platform (" + System.getProperty("os.name") + "). " +
Jvm.warn().on(FileLockUtil.class, "File locking is disabled or not supported on this platform (" + System.getProperty("os.name") + "). " +
"Make sure you are not running ChronicleMapBuilder::*recover* methods when other processes or threads have the mapped file open!");
}
}