Peter Eisentraut 8a0d34e4e4 libpq: Don't overwrite existing OpenSSL thread callbacks
If someone else already set the callbacks, don't overwrite them with
ours.  When unsetting the callbacks, only unset them if they point to
ours.

Author: Jan Urbański <wulczer@wulczer.org>
2015-04-09 20:45:34 -04:00
..