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>
Branch
------
master
Details
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http://git.postgresql.org/pg/commitdiff/8a0d34e4e45d44884ebdc6cb9d9ad9c3891d8505
Modified Files
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src/interfaces/libpq/fe-secure-openssl.c | 18 ++++++++++++------
1 file changed, 12 insertions(+), 6 deletions(-)
