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Update SysV parameter configuration documentation for FreeBSD.

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FreeBSD hasn't made any use of kern.ipc.semmap since 1.1, and newer
releases reject attempts to set it altogether; so stop recommending
that it be adjusted.  Per bug #11161.

Back-patch to all supported branches.  Before 9.3, also incorporate
commit 7a42dff47, which touches the same text and for some reason
was not back-patched at the time.
This commit is contained in:
Tom Lane 2014-08-14 16:05:46 -04:00
parent 751b704105
commit 5ff5bfb5f0
1 changed files with 6 additions and 4 deletions
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10
doc/src/sgml/runtime.sgml
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@ -747,14 +747,13 @@ psql: could not connect to server: No such file or directory
<screen>
<prompt>#</prompt> <userinput>sysctl kern.ipc.shmall=32768</userinput>
<prompt>#</prompt> <userinput>sysctl kern.ipc.shmmax=134217728</userinput>
<prompt>#</prompt> <userinput>sysctl kern.ipc.semmap=256</userinput>
</screen>
To have these settings persist over reboots, modify
To make these settings persist over reboots, modify
<filename>/etc/sysctl.conf</filename>.
</para>
<para>
The remaining semaphore settings are read-only as far as
These semaphore-related settings are read-only as far as
<command>sysctl</command> is concerned, but can be set in
<filename>/boot/loader.conf</filename>:
<programlisting>
@ -763,7 +762,10 @@ kern.ipc.semmns=512
kern.ipc.semmnu=256
</programlisting>
After modifying these values a reboot is required for the new
settings to take affect.
settings to take effect.
(Note: FreeBSD does not use <varname>SEMMAP</>. Older versions
would accept but ignore a setting for <literal>kern.ipc.semmap</>;
newer versions reject it altogether.)
</para>
<para>