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leakstracer: Add API for logging leaks in the debug log

Browse source 
This is the equivalent of sending SIGUSR1 to the application, and is
useful on platforms where UNIX signals are not available, such as
Windows.
This commit is contained in:
Nirbheek Chauhan 2019-06-28 18:19:31 +05:30
parent 44198ec4d6
commit 6e3565ca86
2 changed files with 27 additions and 11 deletions
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37
plugins/tracers/gstleaks.c
View file

@ -74,6 +74,7 @@ enum
{ {
/* actions */ /* actions */
SIGNAL_GET_LIVE_OBJECTS, SIGNAL_GET_LIVE_OBJECTS,
SIGNAL_LOG_LIVE_OBJECTS,
LAST_SIGNAL LAST_SIGNAL
}; };
@ -87,6 +88,7 @@ G_DEFINE_TYPE_WITH_CODE (GstLeaksTracer, gst_leaks_tracer,
GST_TYPE_TRACER, _do_init); GST_TYPE_TRACER, _do_init);
static GstStructure *gst_leaks_tracer_get_live_objects (GstLeaksTracer * self); static GstStructure *gst_leaks_tracer_get_live_objects (GstLeaksTracer * self);
static void gst_leaks_tracer_log_live_objects (GstLeaksTracer * self);
static GstTracerRecord *tr_alive; static GstTracerRecord *tr_alive;
static GstTracerRecord *tr_refings; static GstTracerRecord *tr_refings;
@ -754,20 +756,10 @@ gst_leaks_tracer_finalize (GObject * object)
NULL) NULL)
#ifdef G_OS_UNIX #ifdef G_OS_UNIX
static void
sig_usr1_handler_foreach (gpointer data, gpointer user_data)
{
GstLeaksTracer *tracer = data;
GST_OBJECT_LOCK (tracer);
process_leaks (tracer, NULL);
GST_OBJECT_UNLOCK (tracer);
}
static void static void
sig_usr1_handler (G_GNUC_UNUSED int signal) sig_usr1_handler (G_GNUC_UNUSED int signal)
{ {
g_queue_foreach (&instances, sig_usr1_handler_foreach, NULL); g_queue_foreach (&instances, (GFunc) gst_leaks_tracer_log_live_objects, NULL);
} }
static void static void
@ -859,6 +851,14 @@ gst_leaks_tracer_get_live_objects (GstLeaksTracer * self)
return info; return info;
} }
static void
gst_leaks_tracer_log_live_objects (GstLeaksTracer * self)
{
GST_OBJECT_LOCK (self);
process_leaks (self, NULL);
GST_OBJECT_UNLOCK (self);
}
static void static void
gst_leaks_tracer_class_init (GstLeaksTracerClass * klass) gst_leaks_tracer_class_init (GstLeaksTracerClass * klass)
{ {
@ -920,5 +920,20 @@ gst_leaks_tracer_class_init (GstLeaksTracerClass * klass)
get_live_objects), NULL, NULL, NULL, GST_TYPE_STRUCTURE, 0, get_live_objects), NULL, NULL, NULL, GST_TYPE_STRUCTURE, 0,
G_TYPE_NONE); G_TYPE_NONE);
/**
* GstLeaksTracer::log-live-objects:
* @leakstracer: the leaks tracer object to emit this signal on
*
* Logs all objects that are still alive to the debug log in the same format
* as the logging during gst_deinit().
*
* Since: 1.18
*/
gst_leaks_tracer_signals[SIGNAL_LOG_LIVE_OBJECTS] =
g_signal_new ("log-live-objects", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (GstLeaksTracerClass,
log_live_objects), NULL, NULL, NULL, G_TYPE_NONE, 0, G_TYPE_NONE);
klass->get_live_objects = gst_leaks_tracer_get_live_objects; klass->get_live_objects = gst_leaks_tracer_get_live_objects;
klass->log_live_objects = gst_leaks_tracer_log_live_objects;
} }

1
plugins/tracers/gstleaks.h
View file

@ -79,6 +79,7 @@ struct _GstLeaksTracerClass {
/* actions */ /* actions */
GstStructure * (*get_live_objects) (GstLeaksTracer *tracer); GstStructure * (*get_live_objects) (GstLeaksTracer *tracer);
void (*log_live_objects) (GstLeaksTracer *tracer);
}; };
G_GNUC_INTERNAL GType gst_leaks_tracer_get_type (void); G_GNUC_INTERNAL GType gst_leaks_tracer_get_type (void);