org.vmmagic.pragma
Annotation Type LogicallyUninterruptible

@Retention(value=RUNTIME)
@Target(value=METHOD)
public @interface LogicallyUninterruptible

A pragma that can be used to declare that a particular method is logically uninterruptible even though it contains bytecodes that are actually interruptible. The effect of this pragma is to suppress warning messages about violations of uninterruptiblity when compiling a method that throws this exception. There are two cases in which using the pragma is justified.

• Uninterruptibility is ensured via some other mechanism. For example, the method explicitly disables threadswitching around the interruptible regions (VM.sysWrite on String). Or the interruptible regions are not reachable when the VM is running (various VM.sysWrite that check VM.runningVM).
• The interruptible regions represent an 'error' condition that will never be executed unless the VM is already in the process of reporting an error, for example RuntimeEntrypoints.raiseClassCastException.
  Extreme care must be exercised when using this pragma since it suppresses the checking of uninterruptibility.

  Use of this pragma is being phased out since it lumps together two possible special cases. Use either Unpreemptible or UninterruptibleNoWarn instead. RVM-115 for more context.

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