monolithium/kernel/include/sync.h

/*
 * sync.h
 *
 * Copyright (C) 2018 Aleksandar Andrejevic <theflash@sdf.lonestar.org>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef _SYNC_H_
#define _SYNC_H_

#include <sdk/defs.h>
#include <lock.h>
#include <semaphore.h>

/*
 * NOTE: This is the legacy interface for synchronization functions. New code
 * should use lock.h and semaphore.h instead.
 */

#define lock_t qword_t
#define resource_t qword_t

static inline void acquire_lock(qword_t *lock)
{
    void (*proc)(void*) = (void(*)(void*))lock_acquire;
    proc(lock);
}

static inline void release_lock(qword_t *lock)
{
    void (*proc)(void*) = (void(*)(void*))lock_release;
    proc(lock);
}

static inline void acquire_resource_shared(qword_t *resource)
{
    void (*proc)(void*) = (void(*)(void*))lock_acquire_shared;
    proc(resource);
}

static inline void acquire_resource_exclusive(qword_t *resource)
{
    void (*proc)(void*) = (void(*)(void*))lock_acquire;
    proc(resource);
}

static inline void release_resource(qword_t *resource)
{
    void (*proc)(void*) = (void(*)(void*))lock_release;
    proc(resource);
}

#endif