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TIBCO Rendezvous® 8.7.0

# Tibrv::open()

Method

## Declaration

    static TibrvStatus open();

## Purpose

Start Rendezvous internal machinery.

## Remarks

This call creates the internal machinery that Rendezvous software requires for its operation:

| • | Internal data structures.

| • | Default event queue.

| • | Intra-process transport.

| • | Event driver.

Until the first call to Tibrv::open() creates the internal machinery, all events, transports, queues and queue groups are unusable. Messages and their methods do not depend on the internal machinery.

## Reference Count

A reference count protects against interactions between programs and third-party packages that call Tibrv::open() and Tibrv::close(). Each call to Tibrv::open() increments an internal counter; each call to Tibrv::close() decrements that counter. A call to Tibrv::open() actually creates internal machinery only when the reference counter is zero; subsequent calls merely increment the counter, but do not duplicate the machinery. A call to Tibrv::close() actually destroys the internal machinery only when the call decrements the counter to zero; other calls merely decrement the counter. In each program, the number of calls to Tibrv::open() and Tibrv::close() must match.

## See Also

Tibrv::close()

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