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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_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_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
* @live: counter for live memory
* @mem_live: list with pointers to unfreed memory
*
* The main tracing object
*/
struct _GstAllocTrace {
gchar *name;
gint flags;
gint live;
GSList *mem_live;
};
#ifndef GST_DISABLE_TRACE
typedef struct _GstTrace GstTrace;
typedef struct _GstTraceEntry GstTraceEntry;
/**
* GstTrace:
*
* Opaque #GstTrace structure.
*/
struct _GstTrace {
/*< private >*/
/* where this trace is going */
gchar *filename;
int fd;
/* current buffer, size, head offset */
GstTraceEntry *buf;
gint bufsize;
gint bufoffset;
};
struct _GstTraceEntry {
gint64 timestamp;
guint32 sequence;
guint32 data;
gchar message[112];
};
GstTrace* gst_trace_new (const gchar *filename, gint size);
void gst_trace_destroy (GstTrace *trace);
void gst_trace_flush (GstTrace *trace);
void gst_trace_text_flush (GstTrace *trace);
/**
* gst_trace_get_size:
* @trace: a #GstTrace
*
* Retrieve the buffer size of @trace.
*/
#define gst_trace_get_size(trace) ((trace)->bufsize)
/**
* gst_trace_get_offset:
* @trace: a #GstTrace
*
* Retrieve the current buffer offset of @trace.
*/
#define gst_trace_get_offset(trace) ((trace)->bufoffset)
/**
* gst_trace_get_remaining:
* @trace: a #GstTrace
*
* Retrieve the remaining size in the @trace buffer.
*/
#define gst_trace_get_remaining(trace) ((trace)->bufsize - (trace)->bufoffset)
void gst_trace_set_default (GstTrace *trace);
void _gst_trace_add_entry (GstTrace *trace, guint32 seq,
guint32 data, gchar *msg);
void gst_trace_read_tsc (gint64 *dst);
extern GStaticMutex _gst_trace_mutex;
gboolean gst_alloc_trace_available (void);
G_CONST_RETURN GList* gst_alloc_trace_list (void);
GstAllocTrace* _gst_alloc_trace_register (const gchar *name);
int gst_alloc_trace_live_all (void);
void gst_alloc_trace_print_all (void);
void gst_alloc_trace_print_live (void);
void gst_alloc_trace_set_flags_all (GstAllocTraceFlags flags);
GstAllocTrace* gst_alloc_trace_get (const gchar *name);
void gst_alloc_trace_print (const GstAllocTrace *trace);
void gst_alloc_trace_set_flags (GstAllocTrace *trace, GstAllocTraceFlags flags);
#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) _gst_alloc_trace_register (name);
/**
* 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_static_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_static_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_static_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_static_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)
#endif
extern gint _gst_trace_on;
/**
* gst_trace_add_entry:
* @trace: a #GstTrace
* @seq: a sequence number
* @data: the data to trace
* @msg: the trace message
*
* Add an entry to @trace with sequence number @seq, @data and @msg.
* If @trace is NULL, the entry will be added to the default #GstTrace.
*/
#define gst_trace_add_entry(trace,seq,data,msg) \
if (_gst_trace_on) { \
_gst_trace_add_entry(trace,(guint32)seq,(guint32)data,msg); \
}
#else /* GST_DISABLE_TRACE */
#if defined __GNUC__ && __GNUC__ >= 3
#pragma GCC poison gst_trace_new
#pragma GCC poison gst_trace_destroy
#pragma GCC poison gst_trace_flush
#pragma GCC poison gst_trace_text_flush
#pragma GCC poison gst_trace_get_size
#pragma GCC poison gst_trace_get_offset
#pragma GCC poison gst_trace_get_remaining
#pragma GCC poison gst_trace_set_default
#pragma GCC poison _gst_trace_add_entry
#pragma GCC poison gst_trace_read_tsc
#endif
#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_available() (FALSE)
#define gst_alloc_trace_list() (NULL)
#define _gst_alloc_trace_register(name) (NULL)
#define gst_alloc_trace_live_all() (0)
#define gst_alloc_trace_print_all()
#define gst_alloc_trace_print_live()
#define gst_alloc_trace_set_flags_all(flags)
#define gst_alloc_trace_get(name) (NULL)
#define gst_alloc_trace_print(trace)
#define gst_alloc_trace_set_flags(trace,flags)
#define gst_trace_add_entry(trace,seq,data,msg)
#endif /* GST_DISABLE_TRACE */
G_END_DECLS
#endif /* __GST_TRACE_H__ */
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