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/* GStreamer
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
* 2000 Wim Taymans <wtay@chello.be>
*
* gsttrace.h: Header for tracing functions (deprecated)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library 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 __GST_TRACE_H__
#define __GST_TRACE_H__
#include <glib.h>
G_BEGIN_DECLS
/**
* GstAllocTraceFlags:
* @GST_ALLOC_TRACE_NONE: No tracing specified or desired. Since 0.10.36.
* @GST_ALLOC_TRACE_LIVE: Trace number of non-freed memory.
* @GST_ALLOC_TRACE_MEM_LIVE: Trace pointers of unfreed memory.
*
* Flags indicating which tracing feature to enable.
*/
typedef enum {
GST_ALLOC_TRACE_NONE = 0,
GST_ALLOC_TRACE_LIVE = (1 << 0),
GST_ALLOC_TRACE_MEM_LIVE = (1 << 1)
} GstAllocTraceFlags;
typedef struct _GstAllocTrace GstAllocTrace;
/**
* GstAllocTrace:
* @name: The name of the tracing object
* @flags: Flags for this object
* @offset: offset of the GType
* @live: counter for live memory
* @mem_live: list with pointers to unfreed memory
*
* The main tracing object
*/
struct _GstAllocTrace {
gchar *name;
gint flags;
goffset offset;
gint live;
GSList *mem_live;
};
#ifndef GST_DISABLE_TRACE
GST_EXPORT GMutex _gst_trace_mutex;
void _priv_gst_alloc_trace_initialize (void);
void _priv_gst_alloc_trace_deinit (void);
GstAllocTrace* _priv_gst_alloc_trace_register (const gchar *name, goffset offset);
void _priv_gst_alloc_trace_dump (void);
#ifndef GST_DISABLE_ALLOC_TRACE
/**
* gst_alloc_trace_register:
* @name: The name of the tracer object
*
* Register a new alloc tracer with the given name
*/
#define _gst_alloc_trace_register(name,offset) _priv_gst_alloc_trace_register (name,offset)
#define _gst_alloc_trace_dump _priv_gst_alloc_trace_dump
/**
* gst_alloc_trace_new:
* @trace: The tracer to use
* @mem: The memory allocated
*
* Use the tracer to trace a new memory allocation
*/
#define _gst_alloc_trace_new(trace, mem) \
G_STMT_START { \
if (G_UNLIKELY ((trace)->flags)) { \
g_mutex_lock (&_gst_trace_mutex); \
if ((trace)->flags & GST_ALLOC_TRACE_LIVE) \
(trace)->live++; \
if ((trace)->flags & GST_ALLOC_TRACE_MEM_LIVE) \
(trace)->mem_live = \
g_slist_prepend ((trace)->mem_live, mem); \
g_mutex_unlock (&_gst_trace_mutex); \
} \
} G_STMT_END
/**
* gst_alloc_trace_free:
* @trace: The tracer to use
* @mem: The memory that is freed
*
* Trace a memory free operation
*/
#define _gst_alloc_trace_free(trace, mem) \
G_STMT_START { \
if (G_UNLIKELY ((trace)->flags)) { \
g_mutex_lock (&_gst_trace_mutex); \
if ((trace)->flags & GST_ALLOC_TRACE_LIVE) \
(trace)->live--; \
if ((trace)->flags & GST_ALLOC_TRACE_MEM_LIVE) \
(trace)->mem_live = \
g_slist_remove ((trace)->mem_live, mem); \
g_mutex_unlock (&_gst_trace_mutex); \
} \
} G_STMT_END
#else
#define _gst_alloc_trace_register(name) (NULL)
#define _gst_alloc_trace_new(trace, mem)
#define _gst_alloc_trace_free(trace, mem)
#define _gst_alloc_trace_dump()
#endif
#else /* GST_DISABLE_TRACE */
#define _gst_alloc_trace_register(name, offset) (NULL)
#define _gst_alloc_trace_new(trace, mem)
#define _gst_alloc_trace_free(trace, mem)
#define _gst_alloc_trace_dump()
#endif /* GST_DISABLE_TRACE */
G_END_DECLS
#endif /* __GST_TRACE_H__ */
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