Zeromq interface function: Zmq_init-initializes the ZMQ environment context

ZeroMQ Official Address: Http://api.zeromq.org/4-0:zmq_init

Zmq_init (3) ØMQ Manual-ømq/3.2.5

Name

Zmq_init- Initialize the zmq Environment Context

Synopsis

void *zmq_init (int io_threads);

Description

The Zmq_init () function Initializes a zmq Environment Context.

io_threads parameter specifies this ZMQ in the context of the environment I/O The size of the thread pool to manipulate. If your application uses only the InProc method for message transmission, you can set this parameter to 0, or at least 1.

Thread Safety

The ZMQ environment context is thread-safe and can be shared as much as needed, without the need to lock on the calling side.

This function has been deprecated and replaced by zmq_ctx_new (3) .

Return value

The function zmq_init () execution successfully returns an opaque context handle . Otherwise , NULL is returned and set errno to the value specified below.

Errors

　EINVAL

the value specified by the Io_threads parameter is not available.

See Also

ZMQ (7) zmq_term (3)

Authors

THISØMQ manual page was written by Martin Sustrik <[email Protected]> and Martin Lucina

<[email Protected]>.

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Zeromq interface function: Zmq_init-initializes the ZMQ environment context