'\" t .\" Copyright (C) 2006 Michael Kerrisk .\" .\" SPDX-License-Identifier: Linux-man-pages-copyleft .\" .TH mq_unlink 3 2023-10-31 "Linux man-pages 6.7" .SH NAME mq_unlink \- remove a message queue .SH LIBRARY Real-time library .RI ( librt ", " \-lrt ) .SH SYNOPSIS .nf .B #include .P .BI "int mq_unlink(const char *" name ); .fi .SH DESCRIPTION .BR mq_unlink () removes the specified message queue .IR name . The message queue name is removed immediately. The queue itself is destroyed once any other processes that have the queue open close their descriptors referring to the queue. .SH RETURN VALUE On success .BR mq_unlink () returns 0; on error, \-1 is returned, with .I errno set to indicate the error. .SH ERRORS .TP .B EACCES The caller does not have permission to unlink this message queue. .TP .B ENAMETOOLONG .I name was too long. .TP .B ENOENT There is no message queue with the given .IR name . .SH ATTRIBUTES For an explanation of the terms used in this section, see .BR attributes (7). .TS allbox; lbx lb lb l l l. Interface Attribute Value T{ .na .nh .BR mq_unlink () T} Thread safety MT-Safe .TE .SH STANDARDS POSIX.1-2008. .SH HISTORY POSIX.1-2001. .SH SEE ALSO .BR mq_close (3), .BR mq_getattr (3), .BR mq_notify (3), .BR mq_open (3), .BR mq_receive (3), .BR mq_send (3), .BR mq_overview (7)