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60 lines
1.5 KiB
C
60 lines
1.5 KiB
C
/* IRQ-safe linked lists
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*
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* (C) 2015-2017 by Harald Welte <laforge@gnumonks.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA
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*/
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#pragma once
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#include <osmocom/core/linuxlist.h>
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#include "utils.h"
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static inline void llist_add_irqsafe(struct llist_head *_new,
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struct llist_head *head)
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{
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unsigned long x;
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local_irq_save(x);
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llist_add(_new, head);
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local_irq_restore(x);
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}
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static inline void llist_add_tail_irqsafe(struct llist_head *_new,
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struct llist_head *head)
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{
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unsigned long x;
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local_irq_save(x);
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llist_add_tail(_new, head);
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__enable_irq();
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}
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static inline struct llist_head *llist_head_dequeue_irqsafe(struct llist_head *head)
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{
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struct llist_head *lh;
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unsigned long x;
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local_irq_save(x);
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if (llist_empty(head)) {
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lh = NULL;
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} else {
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lh = head->next;
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llist_del(lh);
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}
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local_irq_restore(x);
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return lh;
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}
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