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Fix a typo in recent xfunc addition, do some routine SGML police work.

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This commit is contained in:
Neil Conway 2006-11-23 05:28:18 +00:00
parent 546d6848ca
commit 4ed6f6d479
1 changed files with 7 additions and 8 deletions
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15
doc/src/sgml/xfunc.sgml
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@ -1,4 +1,4 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/xfunc.sgml,v 1.118 2006/11/23 03:52:05 momjian Exp $ --> <!-- $PostgreSQL: pgsql/doc/src/sgml/xfunc.sgml,v 1.119 2006/11/23 05:28:18 neilc Exp $ -->
<sect1 id="xfunc"> <sect1 id="xfunc">
<title>User-Defined Functions</title> <title>User-Defined Functions</title>
@ -1234,12 +1234,12 @@ PG_MODULE_MAGIC;
<para> <para>
Optionally, a dynamically loaded file can contain initialization and Optionally, a dynamically loaded file can contain initialization and
finalization functions. If the file includes a function named finalization functions. If the file includes a function named
<literal>_PG_init</>, that function will be called immediately after <function>_PG_init</>, that function will be called immediately after
loading the file. The function receives no parameters and should loading the file. The function receives no parameters and should
return void. If the file includes a function named return void. If the file includes a function named
<literal>_PG_fini</>, that function will be called immediately before <function>_PG_fini</>, that function will be called immediately before
unloading the file. Likewise, the function receives no parameters and unloading the file. Likewise, the function receives no parameters and
should return void. Note that <literal>_PG_fini</> will only be called should return void. Note that <function>_PG_fini</> will only be called
during an unload of the file, not during process termination. during an unload of the file, not during process termination.
(Presently, an unload only happens in the context of re-loading (Presently, an unload only happens in the context of re-loading
the file due to an explicit <command>LOAD</> command.) the file due to an explicit <command>LOAD</> command.)
@ -2921,20 +2921,19 @@ CREATE FUNCTION make_array(anyelement) RETURNS anyarray
<programlisting> <programlisting>
void RequestAddinShmemSpace(int size) void RequestAddinShmemSpace(int size)
</programlisting> </programlisting>
from your <literal>_PG_init</> function. from your <function>_PG_init</> function.
</para> </para>
<para> <para>
LWLocks are reserved by calling: LWLocks are reserved by calling:
<programlisting> <programlisting>
void RequestAddinLWLocks(int n) void RequestAddinLWLocks(int n)
</programlisting> </programlisting>
from <literal>_PG_init</>. from <function>_PG_init</>.
</para> </para>
<para> <para>
To avoid possible race-conditions, each backend should use the LWLock To avoid possible race-conditions, each backend should use the LWLock
<literal>AddinShmemInitLock</> when connecting to and intializing <function>AddinShmemInitLock</> when connecting to and initializing
its allocation of shared memory, as shown here: its allocation of shared memory, as shown here:
<programlisting> <programlisting>
static mystruct *ptr = NULL; static mystruct *ptr = NULL;