gem-graph-server/include/arrows.h

//=-------------------------------------------------------------------------=//
//  Local workers definition                                                 //
//                                                                           //
//  Copyright © 2021 Libre en Communs (contact@a-lec.org)                    //
//  Copyright © 2021 Adrien Bourmault (neox@a-lec.org)                       //
//                                                                           //
//  This file is part of gem-graph.                                          //
//                                                                           //
//  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 <https://www.gnu.org/licenses/>.   //
//=-------------------------------------------------------------------------=//

#pragma once
#ifndef BASE_H
    #include "../include/base.h"
#endif

/* -------------------------------------------------------------------------- */

static inline int ArrowsInitLock(ArrowArray_t *arrowArray)
{
    return pthread_spin_init(&arrowArray->lock, PTHREAD_PROCESS_SHARED);
}

static inline int ArrowsDestroyLock(ArrowArray_t *arrowArray)
{
    return pthread_spin_destroy(&arrowArray->lock);
}

static inline int ArrowsAcquireLock(ArrowArray_t *arrowArray)
{
    return pthread_spin_lock(&arrowArray->lock);
}

static inline int ArrowsAcquireNonBlockingLock(ArrowArray_t *arrowArray)
{
    return pthread_spin_trylock(&arrowArray->lock);
}

static inline int ArrowsReleaseLock(ArrowArray_t *arrowArray)
{
    return pthread_spin_unlock(&arrowArray->lock);
}

Arrow_t *ArrowAdd(Scheduler_t *scheduler, int x, int y, int z, int siteId,
                  int weight);

bool ArrowRemove(Scheduler_t *scheduler, int x, int y, int z, int siteId,
                 int weight);