jnr.ffi.annotations
Annotation Type Pinned

@Retention(value=RUNTIME)
@Target(value=PARAMETER)
public @interface Pinned

Marks a method parameter as being pinnable.

This means the data for the parameter is not copied to/from native memory. Instead, the JVM memory is locked and passed directly to the native code.

IMPORTANT: This should not be used for functions that may block on network or filesystem access such as read(2), write(2), stat(2).