pceplib/pcep_utils_queue.h

   1 // SPDX-License-Identifier: LGPL-2.1-or-later
   2 /*
   3  * This file is part of the PCEPlib, a PCEP protocol library.
   4  *
   5  * Copyright (C) 2020 Volta Networks https://voltanet.io/
   6  *
   7  * Author : Brady Johnson <brady@voltanet.io>
   8  *
   9  */
  10
  11
  12 #ifndef INCLUDE_PCEPUTILSQUEUE_H_
  13 #define INCLUDE_PCEPUTILSQUEUE_H_
  14
  15 typedef struct queue_node_ {
  16         struct queue_node_ *next_node;
  17         void *data;
  18
  19 } queue_node;
  20
  21 typedef struct queue_handle_ {
  22         queue_node *head;
  23         queue_node *tail;
  24         unsigned int num_entries;
  25         /* Set to 0 to disable */
  26         unsigned int max_entries;
  27
  28 } queue_handle;
  29
  30 queue_handle *queue_initialize(void);
  31 queue_handle *queue_initialize_with_size(unsigned int max_entries);
  32 void queue_destroy(queue_handle *handle);
  33 void queue_destroy_with_data(queue_handle *handle);
  34 queue_node *queue_enqueue(queue_handle *handle, void *data);
  35 void *queue_dequeue(queue_handle *handle);
  36
  37 #endif /* INCLUDE_PCEPUTILSQUEUE_H_ */