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trace: use proper locking in GstTrace

Browse source 
Protect the allocated list of objects with a lock so that trace actually works
reliably.
Shortcut the alloc trace sooner when disabled.
This commit is contained in:
Wim Taymans 2009-06-23 13:44:50 +02:00
parent 9993022fc4
commit 3afa91d7aa
3 changed files with 23 additions and 12 deletions
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2
gst/gsttrace.c
View file

@ -65,6 +65,8 @@
#include "gsttrace.h"
GStaticMutex _gst_trace_mutex = G_STATIC_MUTEX_INIT;
static
#ifdef __inline__
__inline__

12
gst/gsttrace.h
View file

@ -88,8 +88,6 @@ struct _GstTraceEntry {
gchar message[112];
};
GstTrace* gst_trace_new (gchar *filename, gint size);
void gst_trace_destroy (GstTrace *trace);
@ -124,6 +122,8 @@ void _gst_trace_add_entry (GstTrace *trace, guint32 seq,
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);
@ -156,11 +156,15 @@ void gst_alloc_trace_set_flags (GstAllocTrace *trace, GstAllocTraceFlags flags
*/
#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
/**
@ -172,11 +176,15 @@ G_STMT_START { \
*/
#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

1
win32/common/libgstreamer.def
View file

@ -44,6 +44,7 @@ EXPORTS
_gst_elementclass_factory DATA
_gst_plugin_register_static
_gst_trace_add_entry
_gst_trace_mutex DATA
_gst_trace_on DATA
gst_activate_mode_get_type
gst_alloc_trace_available