| package org.checkerframework.checker.lock.qual; |
| |
| import java.lang.annotation.Documented; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.lang.annotation.Target; |
| import org.checkerframework.framework.qual.InvisibleQualifier; |
| import org.checkerframework.framework.qual.SubtypeOf; |
| |
| /** |
| * Indicates that an expression is used as a lock and the lock is known to be held on the current |
| * thread. |
| * |
| * <p>This annotation may not be written in source code; it is an implementation detail of the |
| * checker. |
| * |
| * @see LockPossiblyHeld |
| * @checker_framework.manual #lock-checker Lock Checker |
| */ |
| @Documented |
| @Retention(RetentionPolicy.RUNTIME) |
| @Target({}) |
| @SubtypeOf(LockPossiblyHeld.class) // This is the bottom type in this hierarchy |
| @InvisibleQualifier |
| public @interface LockHeld {} |