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libsysprof: actually unmap our event stream

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This commit is contained in:
Christian Hergert
2024-10-24 17:07:37 -07:00
parent 571eb5f85b
commit d435c42666
1 changed files with 9 additions and 0 deletions
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9
src/libsysprof/sysprof-perf-event-stream.c
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@ -86,6 +86,7 @@ struct _SysprofPerfEventStream
struct perf_event_mmap_page *map; struct perf_event_mmap_page *map;
guint8 *map_data; guint8 *map_data;
guint64 tail; guint64 tail;
gsize map_size;
guint active : 1; guint active : 1;
}; };
@ -347,6 +348,13 @@ sysprof_perf_event_stream_finalize (GObject *object)
g_clear_fd (&self->perf_fd, NULL); g_clear_fd (&self->perf_fd, NULL);
if (self->map != NULL && self->map_size > 0)
{
munmap (self->map, self->map_size);
self->map = NULL;
self->map_size = 0;
}
G_OBJECT_CLASS (sysprof_perf_event_stream_parent_class)->finalize (object); G_OBJECT_CLASS (sysprof_perf_event_stream_parent_class)->finalize (object);
} }
@ -434,6 +442,7 @@ sysprof_perf_event_stream_new_cb (GObject *object,
} }
else else
{ {
self->map_size = map_size;
self->map = (gpointer)map; self->map = (gpointer)map;
self->map_data = map + sysprof_getpagesize (); self->map_data = map + sysprof_getpagesize ();
self->tail = 0; self->tail = 0;