2 * FCRON - periodic command scheduler
4 * Copyright 2000-2014 Thibault Godouet <fcron@free.fr>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 * The GNU General Public License can also be found in the file
21 * `LICENSE' that comes with the fcron source distribution.
25 /* List of jobs waiting for an appropriate system load average to be executed.
26 * This is a wrapper for an u_list (unordered list) (see u_list.h and u_list.c),
27 * to make the rest of the code clearer and as a way to ensure the compiler can checks
28 * the type in the rest of the code (u_list extensively uses the void type) */
30 #ifndef __LAVG_LIST_H__
31 #define __LAVG_LIST_H__
35 /* Entry to describe one job waiting for an appropriate load average to be executed */
36 typedef struct lavg_t {
38 time_t l_until; /* the timeout of the wait for load averages */
41 typedef struct u_list_t lavg_list_t;
43 /* functions prototypes */
44 extern lavg_list_t *lavg_list_init(void);
45 extern lavg_t *lavg_list_add_line(lavg_list_t * list, struct cl_t *line);
46 extern lavg_t *lavg_list_add(lavg_list_t * list, lavg_t * entry);
47 /* WARNING: there should always be a unique iteration loop based on
48 * u_list_first()/u_list_next() running at any one time in the code */
49 extern lavg_t *lavg_list_first(lavg_list_t * list);
50 extern lavg_t *lavg_list_next(lavg_list_t * list);
51 extern void lavg_list_end_iteration(lavg_list_t * list);
52 extern void lavg_list_remove_cur(lavg_list_t * list);
53 extern lavg_list_t *lavg_list_destroy(lavg_list_t * list);
56 #endif /* __LAVG_LIST_H__ */