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ee89fefe4d
Sponsored-by: https://despairlabs.com/sponsor/ Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Rob Norris <robn@despairlabs.com> Closes #17861
94 lines
2.8 KiB
C
94 lines
2.8 KiB
C
// SPDX-License-Identifier: CDDL-1.0
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/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or https://opensource.org/licenses/CDDL-1.0.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2012, 2018 by Delphix. All rights reserved.
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* Copyright (c) 2016 Actifio, Inc. All rights reserved.
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* Copyright (c) 2025, Klara, Inc.
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*/
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#include <assert.h>
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#include <pthread.h>
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#include <stddef.h>
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#include <sys/procfs_list.h>
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#include <sys/mutex.h>
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#include <sys/list.h>
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/*
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* =========================================================================
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* procfs list
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* =========================================================================
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*/
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void
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seq_printf(struct seq_file *m, const char *fmt, ...)
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{
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(void) m, (void) fmt;
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}
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void
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procfs_list_install(const char *module,
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const char *submodule,
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const char *name,
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mode_t mode,
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procfs_list_t *procfs_list,
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int (*show)(struct seq_file *f, void *p),
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int (*show_header)(struct seq_file *f),
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int (*clear)(procfs_list_t *procfs_list),
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size_t procfs_list_node_off)
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{
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(void) module, (void) submodule, (void) name, (void) mode, (void) show,
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(void) show_header, (void) clear;
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mutex_init(&procfs_list->pl_lock, NULL, MUTEX_DEFAULT, NULL);
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list_create(&procfs_list->pl_list,
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procfs_list_node_off + sizeof (procfs_list_node_t),
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procfs_list_node_off + offsetof(procfs_list_node_t, pln_link));
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procfs_list->pl_next_id = 1;
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procfs_list->pl_node_offset = procfs_list_node_off;
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}
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void
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procfs_list_uninstall(procfs_list_t *procfs_list)
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{
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(void) procfs_list;
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}
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void
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procfs_list_destroy(procfs_list_t *procfs_list)
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{
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ASSERT(list_is_empty(&procfs_list->pl_list));
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list_destroy(&procfs_list->pl_list);
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mutex_destroy(&procfs_list->pl_lock);
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}
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#define NODE_ID(procfs_list, obj) \
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(((procfs_list_node_t *)(((char *)obj) + \
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(procfs_list)->pl_node_offset))->pln_id)
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void
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procfs_list_add(procfs_list_t *procfs_list, void *p)
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{
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ASSERT(MUTEX_HELD(&procfs_list->pl_lock));
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NODE_ID(procfs_list, p) = procfs_list->pl_next_id++;
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list_insert_tail(&procfs_list->pl_list, p);
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}
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