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/*
* Pure Data Packet internal header file.
* Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
/* this file contains prototypes for "private" pdp methods.
DON'T CALL THESE FROM OUTSIDE OF PDP! unless you really
know what you are doing.
*/
/* pdp system code is not very well organized, this is an
attempt to do better. */
#ifndef PDP_INTERNALS_H
#define PDP_INTERNALS_H
#ifdef __cplusplus
extern "C"
{
#endif
//#include "pdp.h"
//#include <pthread.h>
//#include <unistd.h>
//#include <stdio.h>
/* set/unset main pdp thread usage */
void pdp_queue_use_thread(int t);
/* create a new packet, reuse if possible.
ONLY USE THIS IN A TYPE SPECIFIC CONSTRUCTOR! */
int pdp_packet_new(unsigned int datatype, unsigned int datasize);
/* send a packet to an outlet: it is only legal to call this on a "passing packet"
or a "read only packet".
this means it is illegal to change a packet after you have passed it to others,
since this would mess up all read only references to the packet.
*/
/* this seems like a nice place to hide a comment on the notion of read/write in pdp
which packets are writable? all packets with exactly 1 user. this includes all packets
aquired with pdp_packet_*_rw or a constructor, and all packets that are not registered
after being sent out by outlet_pdp.
which packets are readable? all packets */
void outlet_pdp(t_outlet *out, int packetid);
/* send an accumulation (context) packet to an outlet. this is for usage in the dpd
base class. */
void outlet_dpd(t_outlet *out, int packetid);
#ifdef __cplusplus
}
#endif
#endif
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