Create a new Socket within this context.
This is an explicit "destructor". It can be called to ensure the corresponding
0MQ Context has been
Closes a Selector that was created within this context.
Create a new Poller within this context, with a specified initial size.
Initialize the JNI interface
Free all resources used by JNI interface.
Returns true if terminate() has been called on ctx.
Create a new Selector within this context.