osip_fifo.h

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/*
  The oSIP library implements the Session Initiation Protocol (SIP -rfc3261-)
  Copyright (C) 2001-2020 Aymeric MOIZARD amoizard@antisip.com
 
  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.
 
  This library 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
  Lesser General Public License for more details.
 
  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/
 
#ifndef _FIFO_H_
#define _FIFO_H_
 
#ifndef OSIP_MONOTHREAD
#include <osip2/osip_mt.h>
#endif
#include <osipparser2/osip_list.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
#ifndef DOXYGEN
 
typedef enum { osip_ok, osip_empty } osip_fifo_state;
 
#endif
 
typedef struct osip_fifo osip_fifo_t;
 
struct osip_fifo {
#ifndef OSIP_MONOTHREAD
  struct osip_mutex *qislocked; 
  struct osip_sem *qisempty;    
#endif
  osip_list_t queue;     
  int nb_elt;            
  osip_fifo_state state; 
};
 
void osip_fifo_init(osip_fifo_t *ff);
void osip_fifo_free(osip_fifo_t *ff);
int osip_fifo_insert(osip_fifo_t *ff, void *element);
int osip_fifo_add(osip_fifo_t *ff, void *element);
int osip_fifo_size(osip_fifo_t *ff);
#ifndef OSIP_MONOTHREAD
void *osip_fifo_get(osip_fifo_t *ff);
#endif
void *osip_fifo_tryget(osip_fifo_t *ff);
 
#ifdef __cplusplus
}
#endif
#endif