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Add systemtap probes to refcounted data

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Probes allow us to debug refcounting bugs.
This commit is contained in:
Emmanuele Bassi
2018-07-03 17:45:49 +01:00
parent 4248b4b300
commit c342105e76
4 changed files with 67 additions and 0 deletions
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10
glib/grcbox.c
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@@ -28,6 +28,8 @@
#include "valgrind.h"
#endif
#include "glib_trace.h"
#include <string.h>
/**
@@ -229,6 +231,8 @@ g_rc_box_alloc_full (gsize block_size,
g_ref_count_init (&real_box->ref_count);
}
TRACE (GLIB_RCBOX_ALLOC (allocated, block_size, atomic, clear));
return allocated + private_size;
}
@@ -364,6 +368,8 @@ gpointer
g_ref_count_inc (&real_box->ref_count);
TRACE (GLIB_RCBOX_ACQUIRE (mem_block, 0));
return mem_block;
}
@@ -410,8 +416,12 @@ g_rc_box_release_full (gpointer mem_block,
if (g_ref_count_dec (&real_box->ref_count))
{
TRACE (GLIB_RCBOX_RELEASE (mem_block, 0));
if (clear_func != NULL)
clear_func (mem_block);
TRACE (GLIB_RCBOX_FREE (mem_block));
g_free (real_box);
}
}