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core: allow to specify errno number in SystemCallErrorNumber=

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Yu Watanabe
2017-11-11 21:54:24 +09:00
parent b4891260b9
commit 3df90f24cc
5 changed files with 22 additions and 21 deletions
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man/systemd.exec.xml
+5 -9
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@@ -1622,15 +1622,11 @@ CapabilityBoundingSet=~CAP_B CAP_C</programlisting>
<varlistentry>
<term><varname>SystemCallErrorNumber=</varname></term>
<listitem><para>Takes an <literal>errno</literal> error number
name to return when the system call filter configured with
<varname>SystemCallFilter=</varname> is triggered, instead of
terminating the process immediately. Takes an error name such
as <constant>EPERM</constant>, <constant>EACCES</constant> or
<constant>EUCLEAN</constant>. When this setting is not used,
or when the empty string is assigned, the process will be
terminated immediately when the filter is
triggered.</para></listitem>
<listitem><para>Takes an <literal>errno</literal> error number (between 1 and 4095) or errno name such as
<constant>EPERM</constant>, <constant>EACCES</constant> or <constant>EUCLEAN</constant>, to return when the
system call filter configured with <varname>SystemCallFilter=</varname> is triggered, instead of terminating
the process immediately. When this setting is not used, or when the empty string is assigned, the process
will be terminated immediately when the filter is triggered.</para></listitem>
</varlistentry>
<varlistentry>