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f721e69bc1
Remove the paragraph about writing to the Free Software Foundation's mailing address. The FSF has changed addresses in the past, and may do so again. In 2021 this is not useful, let's rather have a bit less boilerplate at the start of source files. Change-Id: Ie0a3b2273383adbb3303faffd6ff96be7f4cae99
56 lines
1.3 KiB
C
56 lines
1.3 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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#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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