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Fix:

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* crashes on memory allocation failure found with failmalloc
 * memory leaks found with valgrind
 * compiler warnings in opt mode which would lead to invalid memory reads
 * problem using wrong name in decimal module reported by pychecker

Update the valgrind suppressions file with new leaks that are small/one-time
leaks we don't care about (ie, they are too hard to fix).

TBR=barry
TESTED=./python -E -tt ./Lib/test/regrtest.py -uall (both debug and opt modes)
  in opt mode:
  valgrind -q --leak-check=yes --suppressions=Misc/valgrind-python.supp \
    ./python -E -tt ./Lib/test/regrtest.py -uall,-bsddb,-compiler \
                        -x test_logging test_ssl test_multiprocessing
  valgrind -q --leak-check=yes --suppressions=Misc/valgrind-python.supp \
    ./python -E -tt ./Lib/test/regrtest.py test_multiprocessing
  for i in `seq 1 4000` ; do
    LD_PRELOAD=~/local/lib/libfailmalloc.so FAILMALLOC_INTERVAL=$i \
        ./python -c pass
  done

At least some of these fixes should probably be backported to 2.5.
This commit is contained in:
Neal Norwitz 2008-08-24 05:04:52 +00:00
parent 21d2ab7fe8
commit 18aa388ca0
10 changed files with 75 additions and 14 deletions
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3
Modules/signalmodule.c
View file

@ -784,7 +784,8 @@ initsignal(void)
#if defined (HAVE_SETITIMER) || defined (HAVE_GETITIMER)
ItimerError = PyErr_NewException("signal.ItimerError",
PyExc_IOError, NULL);
PyDict_SetItemString(d, "ItimerError", ItimerError);
if (ItimerError != NULL)
PyDict_SetItemString(d, "ItimerError", ItimerError);
#endif
if (!PyErr_Occurred())