pa_trace.h

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#ifndef PA_TRACE_H
#define PA_TRACE_H
/*
 * $Id: pa_trace.h,v 1.2 2004/04/22 04:19:50 mbrubeck Exp $
 * Portable Audio I/O Library Trace Facility
 * Store trace information in real-time for later printing.
 *
 * Based on the Open Source API proposed by Ross Bencina
 * Copyright (c) 1999-2000 Phil Burk
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files
 * (the "Software"), to deal in the Software without restriction,
 * including without limitation the rights to use, copy, modify, merge,
 * publish, distribute, sublicense, and/or sell copies of the Software,
 * and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * Any person wishing to distribute modifications to the Software is
 * requested to send the modifications to the original developer so that
 * they can be incorporated into the canonical version.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
 * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

/** @file
 @brief Event trace mechanism for debugging.

 Allows data to be written to the buffer at interrupt time and dumped later.
*/


#define PA_TRACE_REALTIME_EVENTS     (0)   /* Keep log of various real-time events. */
#define PA_MAX_TRACE_RECORDS      (2048)

#ifdef __cplusplus
extern "C"
{
#endif /* __cplusplus */


#if PA_TRACE_REALTIME_EVENTS

void PaUtil_ResetTraceMessages();
void PaUtil_AddTraceMessage( const char *msg, int data );
void PaUtil_DumpTraceMessages();
    
#else

#define PaUtil_ResetTraceMessages() /* noop */
#define PaUtil_AddTraceMessage(msg,data) /* noop */
#define PaUtil_DumpTraceMessages() /* noop */

#endif


#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* PA_TRACE_H */