1 /* GStreamer 2 * Copyright (C) 2016 Collabora Ltd. <guillaume.desmottes@collabora.co.uk> 3 * 4 * gstleaks.c: tracing module detecting object leaks 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Library General Public 8 * License as published by the Free Software Foundation; either 9 * version 2 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Library General Public License for more details. 15 * 16 * You should have received a copy of the GNU Library General Public 17 * License along with this library; if not, write to the 18 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 19 * Boston, MA 02110-1301, USA. 20 */ 21 22 #ifndef __GST_LEAKS_TRACER_H__ 23 #define __GST_LEAKS_TRACER_H__ 24 25 #include <gst/gst.h> 26 #include <gst/gsttracer.h> 27 28 G_BEGIN_DECLS 29 30 #define GST_TYPE_LEAKS_TRACER \ 31 (gst_leaks_tracer_get_type()) 32 #define GST_LEAKS_TRACER(obj) \ 33 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_LEAKS_TRACER,GstLeaksTracer)) 34 #define GST_LEAKS_TRACER_CLASS(klass) \ 35 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_LEAKS_TRACER,GstLeaksTracerClass)) 36 #define GST_IS_LEAKS_TRACER(obj) \ 37 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_LEAKS_TRACER)) 38 #define GST_IS_LEAKS_TRACER_CLASS(klass) \ 39 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_LEAKS_TRACER)) 40 #define GST_LEAKS_TRACER_CAST(obj) ((GstLeaksTracer *)(obj)) 41 42 typedef struct _GstLeaksTracer GstLeaksTracer; 43 typedef struct _GstLeaksTracerClass GstLeaksTracerClass; 44 45 /** 46 * GstLeaksTracer: 47 * 48 * Opaque #GstLeaksTracer data structure 49 */ 50 struct _GstLeaksTracer { 51 GstTracer parent; 52 53 /*< private >*/ 54 /* gpointer (object currently alive) -> gchar * (its creation trace, or 55 * NULL). Protected by object lock */ 56 GHashTable *objects; 57 /* array of GType used as filtering */ 58 GArray *filter; 59 /* Set of owned ObjectLog. Protected by object lock */ 60 GHashTable *added; 61 /* Set of owned ObjectLog. Protected by object lock */ 62 GHashTable *removed; 63 /* If not NULL, contain a set of string representing type filter not 64 * (yet?) known by the type system. 65 * Protected by object lock. */ 66 GHashTable *unhandled_filter; 67 /* The number of elements in unhandled_filter */ 68 gint unhandled_filter_count; 69 gboolean done; 70 71 gboolean check_refs; 72 73 GstStackTraceFlags trace_flags; 74 }; 75 76 struct _GstLeaksTracerClass { 77 GstTracerClass parent_class; 78 }; 79 80 G_GNUC_INTERNAL GType gst_leaks_tracer_get_type (void); 81 82 G_END_DECLS 83 84 #endif /* __GST_LEAKS_TRACER_H__ */ 85