jack/messagebuffer.h

   1 /*
   2  * messagebuffer.h -- realtime-safe message interface for jackd.
   3  *
   4  *  This function is included in libjack so backend drivers can use
   5  *  it, *not* for external client processes.  The VERBOSE() and
   6  *  MESSAGE() macros are realtime-safe.
   7  */
   8
   9 /*
  10  *  Copyright (C) 2004 Rui Nuno Capela, Steve Harris
  11  *
  12  *  This program is free software; you can redistribute it and/or modify
  13  *  it under the terms of the GNU Lesser General Public License as published by
  14  *  the Free Software Foundation; either version 2.1 of the License, or
  15  *  (at your option) any later version.
  16  *
  17  *  This program is distributed in the hope that it will be useful,
  18  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  *  GNU Lesser General Public License for more details.
  21  *
  22  *  You should have received a copy of the GNU Lesser General Public License
  23  *  along with this program; if not, write to the Free Software
  24  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  25  *
  26  */
  27
  28 #ifndef __jack_messagebuffer_h__
  29 #define __jack_messagebuffer_h__
  30
  31 #define MESSAGE(fmt,args...) jack_messagebuffer_add(fmt , ##args)
  32 #define VERBOSE(engine,fmt,args...)     \
  33         if ((engine)->verbose)          \
  34                 jack_messagebuffer_add(fmt , ##args)
  35
  36 void jack_messagebuffer_init();
  37 void jack_messagebuffer_exit();
  38
  39 void jack_messagebuffer_add(const char *fmt, ...);
  40
  41 #endif /* __jack_messagebuffer_h__ */