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Document the SSL and Kerberos are not thread-safe.

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Bruce Momjian
2004-03-11 02:39:10 +00:00
parent e2ded829f6
commit 0f8c4bc4a2
1 changed files with 4 additions and 3 deletions
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doc/src/sgml/libpq.sgml
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@ -1,5 +1,5 @@
<!-- <!--
$PostgreSQL: pgsql/doc/src/sgml/libpq.sgml,v 1.146 2004/01/26 22:13:21 neilc Exp $ $PostgreSQL: pgsql/doc/src/sgml/libpq.sgml,v 1.147 2004/03/11 02:39:10 momjian Exp $
--> -->
<chapter id="libpq"> <chapter id="libpq">
@ -3630,7 +3630,8 @@ call <function>fe_setauthsvc</function> at all.
<literal>crypt()</literal> operating system function, which is often <literal>crypt()</literal> operating system function, which is often
not thread-safe.<indexterm><primary>crypt</><secondary>thread not thread-safe.<indexterm><primary>crypt</><secondary>thread
safety</></> It is better to use the <literal>md5</literal> method, safety</></> It is better to use the <literal>md5</literal> method,
which is thread-safe on all platforms. which is thread-safe on all platforms. <application>SSL</> connections
and <application>kerberos</> authentication are also not thread-safe.
</para> </para>
<para> <para>
@ -3645,7 +3646,7 @@ completion. When <literal>--enable-thread-safety</> is used,
before the first database connection if no custom <literal>SIGPIPE</> before the first database connection if no custom <literal>SIGPIPE</>
handler has been installed previously. This handler uses thread-local handler has been installed previously. This handler uses thread-local
storage to determine if a <literal>SIGPIPE</> signal has been generated storage to determine if a <literal>SIGPIPE</> signal has been generated
by an internal <function>send()</>. If an application wants to install by a libpq <function>send()</>. If an application wants to install
its own <literal>SIGPIPE</> signal handler, it should call its own <literal>SIGPIPE</> signal handler, it should call
<function>PQinSend()</> to determine if it should ignore the <function>PQinSend()</> to determine if it should ignore the
<literal>SIGPIPE</> signal. This function is available in both <literal>SIGPIPE</> signal. This function is available in both