80 lines
2.7 KiB
C
80 lines
2.7 KiB
C
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/*
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* Copyright (c) 2020 iXsystems, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/list.h>
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#include <sys/mutex.h>
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#include <sys/procfs_list.h>
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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
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procfs_list_install(const char *module,
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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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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
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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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