src/spmc_queue.h

   1 /*
   2         libnbds
   3         Copyright (C) 2014 Paweł Dziepak
   4
   5         This program is free software: you can redistribute it and/or modify
   6         it under the terms of the GNU General Public License as published by
   7         the Free Software Foundation, either version 3 of the License, or
   8         (at your option) any later version.
   9
  10         This program is distributed in the hope that it will be useful,
  11         but WITHOUT ANY WARRANTY; without even the implied warranty of
  12         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13         GNU General Public License for more details.
  14
  15         You should have received a copy of the GNU General Public License
  16         along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17 */
  18
  19 #ifndef NBDS_SPMC_QUEUE_H
  20 #define NBDS_SPMC_QUEUE_H
  21
  22 struct spmc_queue_block;
  23
  24 struct spmc_queue {
  25         struct spmc_queue_block*        consumer_consumer;
  26         struct spmc_queue_block*        producer;
  27
  28         uint32_t                                        reference_counter;
  29         struct spmc_queue_block*        delete_list;
  30 };
  31
  32 int spmc_queue_init(struct spmc_queue* queue);
  33 void spmc_queue_destroy(struct spmc_queue* queue);
  34
  35 int spmc_queue_enqueue(struct spmc_queue* queue, void* object);
  36 void* spmc_queue_dequeue(struct spmc_queue* queue);
  37
  38 #endif