[issue4751] Patch for better thread support in hashlib

[STINNER Victor]

STINNER Victor <victor.stinner at haypocalc.com> added the comment:

About HASHLIB_GIL_MINSIZE, I'm unable to mesure the overhead. I tried 
timeit with 8190 and 8200 but the results are *very* close. I'm 
running Linux, it's maybe different on other OS.

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue4751>
_______________________________________