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buffer, defaultmem: add option to poison memory before freeing it

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Might be useful to track down certain bugs.
This commit is contained in:
Tim-Philipp Müller 2012-08-04 13:37:32 +01:00
parent 1118c9264f
commit 579d1a3eca
2 changed files with 15 additions and 3 deletions
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10
gst/gstallocator.c
View file

@ -517,11 +517,19 @@ static void
default_free (GstAllocator * allocator, GstMemory * mem)
{
GstMemoryDefault *dmem = (GstMemoryDefault *) mem;
gsize slice_size;
if (dmem->notify)
dmem->notify (dmem->user_data);
g_slice_free1 (dmem->slice_size, mem);
slice_size = dmem->slice_size;
#ifdef USE_POISONING
/* just poison the structs, not all the data */
memset (mem, 0xff, sizeof (GstMemoryDefault));
#endif
g_slice_free1 (slice_size, mem);
}
static void

8
gst/gstbuffer.c
View file

@ -532,10 +532,14 @@ _gst_buffer_free (GstBuffer * buffer)
}
/* we set msize to 0 when the buffer is part of the memory block */
if (msize)
if (msize) {
#ifdef USE_POISONING
memset (buffer, 0xff, msize);
#endif
g_slice_free1 (msize, buffer);
else
} else {
gst_memory_unref (GST_BUFFER_BUFMEM (buffer));
}
}
static void