cpu_node.c

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#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>

#include <list.h>
#include <zone.h>
#include <cpu_node.h>

#include <debug.h>

static LIST_HEAD(s_node_list);

struct node *cpu_node_create(int id)
{
        struct node *node;

        node = cpu_node_find(id);
        if (node) {
                return node;
        }

        node = malloc(sizeof(*node));
        if (!node) {
                return NULL;
        }

        node->id = id;
        INIT_LIST_HEAD(&node->zone_list);

        list_add_tail(&node->head, &s_node_list);
        return node;
}

int cpu_node_destroy(struct node *node)
{
        struct list_head *pos;
        struct list_head *n;
        struct zone *zone;

        list_for_each_safe(pos, n, &node->zone_list) {
                list_del(pos);
                zone = list_entry(pos, struct zone, head);
                destroy_zone(zone);
        }

        list_del(&node->head);
        free(node);
        return 0;
}

struct node *cpu_node_find(int id)
{
        struct list_head *pos;
        struct node *node;

        node = NULL;
        list_for_each(pos, &s_node_list) {
                node = list_entry(pos, struct node, head);
                if (node->id == id) {
                        break;
                }

                node = NULL;
        }

        return node;
}

/* End of a file */