git.postgresql.org Git - postgresql.git/commitdiff

diff --git a/doc/src/sgml/xfunc.sgml b/doc/src/sgml/xfunc.sgml

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<sect1 id="xfunc">

<title>User-Defined Functions</title>

Add-ins can reserve LWLocks and an allocation of shared memory on server

startup. The add-in's shared library must be preloaded by specifying

it in

- <xref linkend="guc-shared-preload-libraries"><indexterm><primary>shared-preload-libraries</></>.

+ <xref linkend="guc-shared-preload-libraries"><indexterm><primary>shared_preload_libraries</></>.

Shared memory is reserved by calling:

<programlisting>

void RequestAddinShmemSpace(int size)