code.delx.au - pulseaudio/blob - polyp/queue.h

   1 #ifndef fooqueuehfoo
   2 #define fooqueuehfoo
   3
   4 /* $Id$ */
   5
   6 /***
   7   This file is part of polypaudio.
   8
   9   polypaudio is free software; you can redistribute it and/or modify
  10   it under the terms of the GNU Lesser General Public License as
  11   published by the Free Software Foundation; either version 2.1 of the
  12   License, or (at your option) any later version.
  13
  14   polypaudio is distributed in the hope that it will be useful, but
  15   WITHOUT ANY WARRANTY; without even the implied warranty of
  16   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  17   Lesser General Public License for more details.
  18
  19   You should have received a copy of the GNU Lesser General Public
  20   License along with polypaudio; if not, write to the Free Software
  21   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  22   USA.
  23 ***/
  24
  25 typedef struct pa_queue pa_queue;
  26
  27 /* A simple implementation of the abstract data type queue. Stores
  28  * pointers as members. The memory has to be managed by the caller. */
  29
  30 pa_queue* pa_queue_new(void);
  31
  32 /* Free the queue and run the specified callback function for every remaining entry. The callback function may be NULL. */
  33 void pa_queue_free(pa_queue* q, void (*destroy)(void *p, void *userdata), void *userdata);
  34
  35 void pa_queue_push(pa_queue *q, void *p);
  36 void* pa_queue_pop(pa_queue *q);
  37
  38 int pa_queue_is_empty(pa_queue *q);
  39
  40 #endif