updating pdp to current version 0.12.2

svn path=/trunk/externals/pdp/; revision=936

1 files changed, 74 insertions, 0 deletions

diff --git a/include/pdp_comm.h b/include/pdp_comm.h
new file mode 100644
index 0000000..3b7b7f9
--- /dev/null
+++ b/include/pdp_comm.h
@@ -0,0 +1,74 @@
+/*
+ *   Pure Data Packet system implementation.
+ *   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 misc communication methods */
+
+#ifndef PDP_COMM_H
+#define PDP_COMM_H
+
+
+/* all symbols are C style */
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/* pdp symbols */
+t_symbol *pdp_sym_pdp(void);
+t_symbol *pdp_sym_rro(void);
+t_symbol *pdp_sym_rrw(void);
+t_symbol *pdp_sym_prc(void);
+t_symbol *pdp_sym_dpd(void);
+t_symbol *pdp_sym_ins(void);
+t_symbol *pdp_sym_acc(void);
+
+
+/* utility methods */
+
+
+
+/* if packet is valid, mark it unused and send it to an outlet */
+void pdp_packet_pass_if_valid(t_outlet *outlet, int *packet);
+
+/* if source packet is valid, release dest packet and move src->dest */
+void pdp_packet_replace_if_valid(int *dpacket, int *spacket);
+
+/* copy_ro if dest packet if invalid, else drop source 
+   (don't copy) + send drop notif to pdp system 
+   returns 1 if dropped, 0 if copied */
+int pdp_packet_copy_ro_or_drop(int *dpacket, int spacket);
+int pdp_packet_convert_ro_or_drop(int *dpacket, int spacket, t_pdp_symbol *type_template);
+
+/* copy_rw if dest packit is invalid, else drop source 
+   (don't copy) + send drop notif to pdp system 
+   returns 1 if dropped, zero if copied */
+int pdp_packet_copy_rw_or_drop(int *dpacket, int spacket);
+int pdp_packet_convert_rw_or_drop(int *dpacket, int spacket, t_pdp_symbol *type_template);
+
+
+
+
+#ifdef __cplusplus
+}
+#endif
+
+
+
+#endif