[Gluster-devel] catching unitialized structures

Vijay Bellur vbellur at redhat.com
Mon Apr 29 17:38:34 UTC 2013

On 04/29/2013 11:05 PM, Vijay Bellur wrote:
> On 04/29/2013 10:31 PM, Emmanuel Dreyfus wrote:
>> Hi
>> I found an uninitialized mutex and I am tracking another one. This is
>> not the first time I hit this kind of problem, which is invisible to
>> Linux developpers since Linux allows using an uninitialized mutex.
>> I suggest chaning GF_CALLOC and friends so that it fills memory
>> with 0xdeadbeef during developement cycles. That would help people
>> catching that kind og issues earlier.
> Maybe with -DDEBUG?

Hit send a bit too fast. There are a lot of places where we make an 
implicit assumption that GF_CALLOC and the likes memset the memory area 
to zero. It might not be an easy thing to achieve after all.


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