Xenomai  3.0.8
list.h
1 /*
2  * Copyright (C) 2013 Philippe Gerum <rpm@xenomai.org>.
3  *
4  * Xenomai is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published
6  * by the Free Software Foundation; either version 2 of the License,
7  * or (at your option) any later version.
8  *
9  * Xenomai is distributed in the hope that it will be useful, but
10  * WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with Xenomai; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
17  * 02111-1307, USA.
18  */
19 #ifndef _COBALT_KERNEL_LIST_H
20 #define _COBALT_KERNEL_LIST_H
21 
22 #include <linux/list.h>
23 
24 #define __list_add_pri(__new, __head, __member_pri, __member_next, __relop) \
25 do { \
26  typeof(*__new) *__pos; \
27  if (list_empty(__head)) \
28  list_add(&(__new)->__member_next, __head); \
29  else { \
30  list_for_each_entry_reverse(__pos, __head, __member_next) { \
31  if ((__new)->__member_pri __relop __pos->__member_pri) \
32  break; \
33  } \
34  list_add(&(__new)->__member_next, &__pos->__member_next); \
35  } \
36 } while (0)
37 
38 #define list_add_priff(__new, __head, __member_pri, __member_next) \
39  __list_add_pri(__new, __head, __member_pri, __member_next, <=)
40 
41 #define list_add_prilf(__new, __head, __member_pri, __member_next) \
42  __list_add_pri(__new, __head, __member_pri, __member_next, <)
43 
44 #define list_get_entry(__head, __type, __member) \
45  ({ \
46  __type *__item; \
47  __item = list_first_entry(__head, __type, __member); \
48  list_del(&__item->__member); \
49  __item; \
50  })
51 
52 #ifndef list_next_entry
53 #define list_next_entry(__item, __member) \
54  list_entry((__item)->__member.next, typeof(*(__item)), __member)
55 #endif
56 
57 #endif /* !_COBALT_KERNEL_LIST_H_ */