database/postgres
database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-06-08 22:02:03 +03:00
Code

Improve non-thread-safe mention of libpq's crypt.

Browse Source
This commit is contained in:
Bruce Momjian 2002-01-18 20:39:04 +00:00
parent 9600ccad13
commit a724463c8a
1 changed files with 8 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
doc/src/sgml/libpq.sgml
View File

@ -1,5 +1,5 @@
<!-- <!--
$Header: /cvsroot/pgsql/doc/src/sgml/libpq.sgml,v 1.86 2002/01/18 20:32:54 momjian Exp $ $Header: /cvsroot/pgsql/doc/src/sgml/libpq.sgml,v 1.87 2002/01/18 20:39:04 momjian Exp $
--> -->
<chapter id="libpq"> <chapter id="libpq">
@ -2114,13 +2114,6 @@ time. In particular, you cannot issue concurrent queries from different
threads through the same connection object. (If you need to run threads through the same connection object. (If you need to run
concurrent queries, start up multiple connections.) concurrent queries, start up multiple connections.)
</para> </para>
<para>
However, <filename>libpq</filename> clients using the
<literal>crypt</literal> encryption method rely on the
<literal>crypt()</literal> operating system function, which often is not
thread-safe. It is better to use <literal>MD5</literal> encryption,
which is guarantted to be thread-safe on all platforms.
</para>
<para> <para>
<structname>PGresult</> objects are read-only after creation, and so can be passed around <structname>PGresult</> objects are read-only after creation, and so can be passed around
@ -2135,6 +2128,13 @@ replaced by <function>PQoidValue</function>. There is no good reason to
call <function>fe_setauthsvc</function> at all. call <function>fe_setauthsvc</function> at all.
</para> </para>
<para>
<filename>Libpq</filename> clients using the <literal>crypt</literal>
encryption method rely on the <literal>crypt()</literal> operating
system function, which is often not thread-safe. It is better to use
<literal>MD5</literal> encryption, which is thread-safe on all
platforms.
</para>
</sect1> </sect1>