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/*
* Copyright (c) 2017 Richard Braun.
*
* This program 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 3 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef KERN_INIT_I_H
#define KERN_INIT_I_H
#include <stdalign.h>
#include <stdbool.h>
#include <stddef.h>
#include <kern/slist_types.h>
#include <kern/macros.h>
#define __initop __section(QUOTE(INIT_OPS_SECTION))
#define INIT_OP_STATE_UNLINKED 0
#define INIT_OP_STATE_PENDING 1
#define INIT_OP_STATE_COMPLETE 2
struct init_op {
alignas(INIT_OP_ALIGN) struct slist_node list_node;
struct slist_node stack_node;
const char *name;
init_op_fn_t fn;
struct init_op_dep *deps;
int error;
unsigned char state;
unsigned char nr_deps;
unsigned char nr_parents;
};
struct init_op_dep {
struct init_op *op;
bool required;
};
#define __INIT_OP_DEPS(fn) fn ## _init_op_deps
#define INIT_OP_DEPS(fn) __INIT_OP_DEPS(fn)
#define __INIT_OP(fn) fn ## _init_op
#define INIT_OP(fn) __INIT_OP(fn)
#endif /* KERN_INIT_I_H */
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