'\" t
.\"     Title: zmq_ctx_new
.\"    Author: [see the "AUTHORS" section]
.\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/>
.\"      Date: 01/17/2021
.\"    Manual: 0MQ Manual
.\"    Source: 0MQ 4.3.4
.\"  Language: English
.\"
.TH "ZMQ_CTX_NEW" "3" "01/17/2021" "0MQ 4\&.3\&.4" "0MQ Manual"
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.SH "NAME"
zmq_ctx_new \- create new 0MQ context
.SH "SYNOPSIS"
.sp
\fBvoid *zmq_ctx_new ();\fR
.SH "DESCRIPTION"
.sp
The \fIzmq_ctx_new()\fR function creates a new 0MQ \fIcontext\fR\&.
.sp
This function replaces the deprecated function \fBzmq_init\fR(3)\&.
.PP
\fBThread safety\fR. A 0MQ
\fIcontext\fR
is thread safe and may be shared among as many application threads as necessary, without any additional locking required on the part of the caller\&.
.SH "RETURN VALUE"
.sp
The \fIzmq_ctx_new()\fR function shall return an opaque handle to the newly created \fIcontext\fR if successful\&. Otherwise it shall return NULL and set \fIerrno\fR to one of the values defined below\&.
.SH "ERRORS"
.PP
\fBEMFILE\fR
.RS 4
The limit on the total number of open files has been reached and it wasn\(cqt possible to create a new context\&.
.RE
.PP
\fBEMFILE\fR
.RS 4
The limit on the total number of open files in system has been reached and it wasn\(cqt possible to create a new context\&.
.RE
.SH "SEE ALSO"
.sp
\fBzmq\fR(7) \fBzmq_ctx_set\fR(3) \fBzmq_ctx_get\fR(3) \fBzmq_ctx_term\fR(3)
.SH "AUTHORS"
.sp
This page was written by the 0MQ community\&. To make a change please read the 0MQ Contribution Policy at \m[blue]\fBhttp://www\&.zeromq\&.org/docs:contributing\fR\m[]\&.