.\" Copyright (C) 2020 Jens Axboe .\" Copyright (C) 2020 Red Hat, Inc. .\" .\" SPDX-License-Identifier: LGPL-2.0-or-later .\" .TH io_uring_queue_exit 3 "July 10, 2020" "liburing-0.7" "liburing Manual" .SH NAME io_uring_queue_exit - tear down io_uring submission and completion queues .SH SYNOPSIS .nf .BR "#include " .PP .BI "void io_uring_queue_exit(struct io_uring * ring );" .fi .PP .SH DESCRIPTION .PP .BR io_uring_queue_exit (3) will release all resources acquired and initialized by .BR io_uring_queue_init (3). It first unmaps the memory shared between the application and the kernel and then closes the io_uring file descriptor. .SH RETURN VALUE None .SH SEE ALSO .BR io_uring_setup (2), .BR mmap (2), .BR io_uring_queue_init (3)