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Comment syncup.

This commit is contained in:
Tim Potter 0001-01-01 00:00:00 +00:00
parent 8fe5bab565
commit 72e7290daa

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@ -20,6 +20,27 @@
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* NOTE: If you use tdbs under valgrind, and in particular if you run
* tdbtorture, you may get spurious "uninitialized value" warnings. I
* think this is because valgrind doesn't understand that the mmap'd
* area may be written to by other processes. Memory can, from the
* point of view of the grinded process, spontaneously become
* initialized.
*
* I can think of a few solutions. [mbp 20030311]
*
* 1 - Write suppressions for Valgrind so that it doesn't complain
* about this. Probably the most reasonable but people need to
* remember to use them.
*
* 2 - Use IO not mmap when running under valgrind. Not so nice.
*
* 3 - Use the special valgrind macros to mark memory as valid at the
* right time. Probably too hard -- the process just doesn't know.
*/
#ifdef STANDALONE
#if HAVE_CONFIG_H
#include <config.h>