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More microoptimizations!

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This commit is contained in:
Stepan Usatiuk
2025-04-17 10:02:26 +02:00
parent da1a996e6f
commit 7dc8f486ea
7 changed files with 36 additions and 40 deletions
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58
dhfs-parent/utils/src/main/java/com/usatiuk/dhfs/utils/DataLocker.java
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@@ -15,57 +15,47 @@ public class DataLocker {
@Nonnull
public AutoCloseableNoThrow lock(Object data) {
while (true) {
var newTag = new LockTag();
var oldTag = _locks.putIfAbsent(data, newTag);
if (oldTag == null) {
return new Lock(data, newTag);
}
try {
var tag = _locks.get(data);
if (tag != null) {
synchronized (tag) {
while (!tag.released) {
if (tag.owner == Thread.currentThread()) {
return DUMMY_LOCK;
}
tag.wait();
synchronized (oldTag) {
while (!oldTag.released) {
if (oldTag.owner == Thread.currentThread()) {
return DUMMY_LOCK;
}
oldTag.wait();
// tag.wait(4000L);
// if (!tag.released) {
// System.out.println("Timeout waiting for lock: " + data);
// System.exit(1);
// throw new InterruptedException();
// }
}
continue;
}
}
} catch (InterruptedException ignored) {
}
var newTag = new LockTag();
var oldTag = _locks.putIfAbsent(data, newTag);
if (oldTag == null) {
return new Lock(data, newTag);
}
}
}
@Nullable
public AutoCloseableNoThrow tryLock(Object data) {
while (true) {
var tag = _locks.get(data);
if (tag != null) {
synchronized (tag) {
if (!tag.released) {
if (tag.owner == Thread.currentThread()) {
return DUMMY_LOCK;
}
return null;
}
continue;
}
}
var newTag = new LockTag();
var oldTag = _locks.putIfAbsent(data, newTag);
if (oldTag == null) {
return new Lock(data, newTag);
}
synchronized (oldTag) {
if (!oldTag.released) {
if (oldTag.owner == Thread.currentThread()) {
return DUMMY_LOCK;
}
return null;
}
}
}
}
@@ -83,11 +73,11 @@ public class DataLocker {
public Lock(Object key, LockTag tag) {
_key = key;
_tag = tag;
CLEANER.register(this, () -> {
if (!tag.released) {
Log.error("Lock collected without release: " + key);
}
});
// CLEANER.register(this, () -> {
// if (!tag.released) {
// Log.error("Lock collected without release: " + key);
// }
// });
}
@Override