list.h

/*
 * Copyright (C) 2013 Philippe Gerum <rpm@xenomai.org>.
 *
 * Xenomai is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published
 * by the Free Software Foundation; either version 2 of the License,
 * or (at your option) any later version.
 *
 * Xenomai is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Xenomai; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 * 02111-1307, USA.
 */
#ifndef _COBALT_KERNEL_LIST_H
#define _COBALT_KERNEL_LIST_H
 
#include <linux/list.h>
 
#define __list_add_pri(__new, __head, __member_pri, __member_next, __relop)     \
do {                                                                            \
        typeof(*__new) *__pos;                                                  \
        if (list_empty(__head))                                                 \
                list_add(&(__new)->__member_next, __head);                      \
        else {                                                                  \
                list_for_each_entry_reverse(__pos, __head, __member_next) {     \
                        if ((__new)->__member_pri __relop __pos->__member_pri)  \
                                break;                                          \
                }                                                               \
                list_add(&(__new)->__member_next, &__pos->__member_next);       \
        }                                                                       \
} while (0)
 
#define list_add_priff(__new, __head, __member_pri, __member_next)              \
        __list_add_pri(__new, __head, __member_pri, __member_next, <=)
 
#define list_add_prilf(__new, __head, __member_pri, __member_next)              \
        __list_add_pri(__new, __head, __member_pri, __member_next, <)
 
#define list_get_entry(__head, __type, __member)                \
  ({                                                            \
          __type *__item;                                       \
          __item = list_first_entry(__head, __type, __member);  \
          list_del(&__item->__member);                          \
          __item;                                               \
  })
 
#define list_get_entry_init(__head, __type, __member)           \
  ({                                                            \
          __type *__item;                                       \
          __item = list_first_entry(__head, __type, __member);  \
          list_del_init(&__item->__member);                     \
          __item;                                               \
  })
 
#ifndef list_next_entry
#define list_next_entry(__item, __member)                       \
        list_entry((__item)->__member.next, typeof(*(__item)), __member)
#endif
 
#endif /* !_COBALT_KERNEL_LIST_H_ */