pceplib/pcep_utils_queue.h

   1 /*
   2  * This file is part of the PCEPlib, a PCEP protocol library.
   3  *
   4  * Copyright (C) 2020 Volta Networks https://voltanet.io/
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library 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 GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  18  *
  19  * Author : Brady Johnson <brady@voltanet.io>
  20  *
  21  */
  22
  23
  24 #ifndef INCLUDE_PCEPUTILSQUEUE_H_
  25 #define INCLUDE_PCEPUTILSQUEUE_H_
  26
  27 typedef struct queue_node_ {
  28         struct queue_node_ *next_node;
  29         void *data;
  30
  31 } queue_node;
  32
  33 typedef struct queue_handle_ {
  34         queue_node *head;
  35         queue_node *tail;
  36         unsigned int num_entries;
  37         /* Set to 0 to disable */
  38         unsigned int max_entries;
  39
  40 } queue_handle;
  41
  42 queue_handle *queue_initialize(void);
  43 queue_handle *queue_initialize_with_size(unsigned int max_entries);
  44 void queue_destroy(queue_handle *handle);
  45 void queue_destroy_with_data(queue_handle *handle);
  46 queue_node *queue_enqueue(queue_handle *handle, void *data);
  47 void *queue_dequeue(queue_handle *handle);
  48
  49 #endif /* INCLUDE_PCEPUTILSQUEUE_H_ */