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Diffstat (limited to 'man/sd_pid_get_session.xml')
| -rw-r--r-- | man/sd_pid_get_session.xml | 261 |
1 files changed, 0 insertions, 261 deletions
diff --git a/man/sd_pid_get_session.xml b/man/sd_pid_get_session.xml deleted file mode 100644 index f708d0d5e..000000000 --- a/man/sd_pid_get_session.xml +++ /dev/null @@ -1,261 +0,0 @@ -<?xml version='1.0'?> <!--*-nxml-*--> -<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" - "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"> - -<!-- - This file is part of systemd. - - Copyright 2010 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. ---> - -<refentry id="sd_pid_get_session" conditional='HAVE_PAM'> - - <refentryinfo> - <title>sd_pid_get_session</title> - <productname>systemd</productname> - - <authorgroup> - <author> - <contrib>Developer</contrib> - <firstname>Lennart</firstname> - <surname>Poettering</surname> - <email>lennart@poettering.net</email> - </author> - </authorgroup> - </refentryinfo> - - <refmeta> - <refentrytitle>sd_pid_get_session</refentrytitle> - <manvolnum>3</manvolnum> - </refmeta> - - <refnamediv> - <refname>sd_pid_get_session</refname> - <refname>sd_pid_get_unit</refname> - <refname>sd_pid_get_user_unit</refname> - <refname>sd_pid_get_owner_uid</refname> - <refname>sd_pid_get_machine_name</refname> - <refname>sd_pid_get_slice</refname> - <refname>sd_peer_get_session</refname> - <refname>sd_peer_get_unit</refname> - <refname>sd_peer_get_user_unit</refname> - <refname>sd_peer_get_owner_uid</refname> - <refname>sd_peer_get_machine_name</refname> - <refname>sd_peer_get_slice</refname> - <refpurpose>Determine session, service, owner of a - session, container/VM or slice of a specific - PID or socket peer</refpurpose> - </refnamediv> - - <refsynopsisdiv> - <funcsynopsis> - <funcsynopsisinfo>#include <systemd/sd-login.h></funcsynopsisinfo> - - <funcprototype> - <funcdef>int <function>sd_pid_get_session</function></funcdef> - <paramdef>pid_t <parameter>pid</parameter></paramdef> - <paramdef>char **<parameter>session</parameter></paramdef> - </funcprototype> - - <funcprototype> - <funcdef>int <function>sd_pid_get_unit</function></funcdef> - <paramdef>pid_t <parameter>pid</parameter></paramdef> - <paramdef>char **<parameter>unit</parameter></paramdef> - </funcprototype> - - <funcprototype> - <funcdef>int <function>sd_pid_get_user_unit</function></funcdef> - <paramdef>pid_t <parameter>pid</parameter></paramdef> - <paramdef>char **<parameter>unit</parameter></paramdef> - </funcprototype> - - <funcprototype> - <funcdef>int <function>sd_pid_get_owner_uid</function></funcdef> - <paramdef>pid_t <parameter>pid</parameter></paramdef> - <paramdef>uid_t *<parameter>uid</parameter></paramdef> - </funcprototype> - - <funcprototype> - <funcdef>int <function>sd_pid_get_machine_name</function></funcdef> - <paramdef>pid_t <parameter>pid</parameter></paramdef> - <paramdef>char **<parameter>name</parameter></paramdef> - </funcprototype> - - <funcprototype> - <funcdef>int <function>sd_pid_get_slice</function></funcdef> - <paramdef>pid_t <parameter>pid</parameter></paramdef> - <paramdef>char **<parameter>slice</parameter></paramdef> - </funcprototype> - - <funcprototype> - <funcdef>int <function>sd_peer_get_session</function></funcdef> - <paramdef>int <parameter>fd</parameter></paramdef> - <paramdef>char **<parameter>session</parameter></paramdef> - </funcprototype> - - <funcprototype> - <funcdef>int <function>sd_peer_get_unit</function></funcdef> - <paramdef>int <parameter>fd</parameter></paramdef> - <paramdef>char **<parameter>unit</parameter></paramdef> - </funcprototype> - - <funcprototype> - <funcdef>int <function>sd_peer_get_user_unit</function></funcdef> - <paramdef>int <parameter>fd</parameter></paramdef> - <paramdef>char **<parameter>unit</parameter></paramdef> - </funcprototype> - - <funcprototype> - <funcdef>int <function>sd_peer_get_owner_uid</function></funcdef> - <paramdef>int <parameter>fd</parameter></paramdef> - <paramdef>uid_t *<parameter>uid</parameter></paramdef> - </funcprototype> - - <funcprototype> - <funcdef>int <function>sd_peer_get_machine_name</function></funcdef> - <paramdef>int <parameter>fd</parameter></paramdef> - <paramdef>char **<parameter>name</parameter></paramdef> - </funcprototype> - - <funcprototype> - <funcdef>int <function>sd_peer_get_slice</function></funcdef> - <paramdef>int <parameter>fd</parameter></paramdef> - <paramdef>char **<parameter>slice</parameter></paramdef> - </funcprototype> - </funcsynopsis> - </refsynopsisdiv> - - <refsect1> - <title>Description</title> - - <para><function>sd_pid_get_session()</function> may be used to - determine the login session identifier of a process identified by - the specified process identifier. The session identifier is a - short string, suitable for usage in file system paths. Note that - not all processes are part of a login session (e.g. system service - processes, user processes that are shared between multiple - sessions of the same user, or kernel threads). For processes not - being part of a login session this function will fail. The - returned string needs to be freed with the libc - <citerefentry project='man-pages'><refentrytitle>free</refentrytitle><manvolnum>3</manvolnum></citerefentry> - call after use.</para> - - <para><function>sd_pid_get_unit()</function> may be used to - determine the systemd system unit (i.e. system service) identifier - of a process identified by the specified PID. The unit name is a - short string, suitable for usage in file system paths. Note that - not all processes are part of a system unit/service (e.g. user - processes, or kernel threads). For processes not being part of a - systemd system unit this function will fail. (More specifically: - this call will not work for processes that are part of user units, - use <function>sd_pid_get_user_unit()</function> for that.) The - returned string needs to be freed with the libc - <citerefentry project='man-pages'><refentrytitle>free</refentrytitle><manvolnum>3</manvolnum></citerefentry> - call after use.</para> - - <para><function>sd_pid_get_user_unit()</function> may be used to - determine the systemd user unit (i.e. user service) identifier of - a process identified by the specified PID. This is similar to - <function>sd_pid_get_unit()</function> but applies to user units - instead of system units.</para> - - <para><function>sd_pid_get_owner_uid()</function> may be used to - determine the Unix user identifier of the owner of the session of - a process identified the specified PID. Note that this function - will succeed for user processes which are shared between multiple - login sessions of the same user, where - <function>sd_pid_get_session()</function> will fail. For processes - not being part of a login session and not being a shared process - of a user this function will fail.</para> - - <para><function>sd_pid_get_machine_name()</function> may be used - to determine the name of the VM or container is a member of. The - machine name is a short string, suitable for usage in file system - paths. The returned string needs to be freed with the libc - <citerefentry project='man-pages'><refentrytitle>free</refentrytitle><manvolnum>3</manvolnum></citerefentry> - call after use.</para> - - <para><function>sd_pid_get_slice()</function> may be used to - determine the slice unit the process is a member of. See - <citerefentry><refentrytitle>systemd.slice</refentrytitle><manvolnum>5</manvolnum></citerefentry> - for details about slices. The returned string needs to be freed - with the libc - <citerefentry project='man-pages'><refentrytitle>free</refentrytitle><manvolnum>3</manvolnum></citerefentry> - call after use.</para> - - <para>If the <varname>pid</varname> parameter of any of these - functions is passed as 0, the operation is executed for the - calling process.</para> - - <para>The <function>sd_peer_get_session()</function>, - <function>sd_peer_get_unit()</function>, - <function>sd_peer_get_user_unit()</function>, - <function>sd_peer_get_owner_uid()</function>, - <function>sd_peer_get_machine_name()</function> and - <function>sd_peer_get_slice()</function> calls operate similar to - their PID counterparts, but operate on a connected AF_UNIX socket - and retrieve information about the connected peer process.</para> - </refsect1> - - <refsect1> - <title>Return Value</title> - - <para>On success, these calls return 0 or a positive integer. On - failure, these calls return a negative errno-style error - code.</para> - </refsect1> - - <refsect1> - <title>Notes</title> - - <para>The <function>sd_pid_get_session()</function>, - <function>sd_pid_get_unit()</function>, - <function>sd_pid_get_user_unit()</function>, - <function>sd_pid_get_owner_uid()</function>, - <function>sd_pid_get_machine_name()</function>, - <function>sd_pid_get_slice()</function>, - <function>sd_peer_get_session()</function>, - <function>sd_peer_get_unit()</function>, - <function>sd_peer_get_user_unit()</function>, - <function>sd_peer_get_owner_uid()</function>, - <function>sd_peer_get_machine_name()</function> and - <function>sd_peer_get_slice()</function> interfaces are - available as a shared library, which can be compiled - and linked to with the - <constant>libsystemd</constant> <citerefentry project='die-net'><refentrytitle>pkg-config</refentrytitle><manvolnum>1</manvolnum></citerefentry> - file.</para> - - <para>Note that the login session identifier as - returned by <function>sd_pid_get_session()</function> - is completely unrelated to the process session - identifier as returned by - <citerefentry><refentrytitle>getsid</refentrytitle><manvolnum>2</manvolnum></citerefentry>.</para> - </refsect1> - - <refsect1> - <title>See Also</title> - - <para> - <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, - <citerefentry><refentrytitle>sd-login</refentrytitle><manvolnum>3</manvolnum></citerefentry>, - <citerefentry><refentrytitle>sd_session_is_active</refentrytitle><manvolnum>3</manvolnum></citerefentry>, - <citerefentry><refentrytitle>getsid</refentrytitle><manvolnum>2</manvolnum></citerefentry>, - <citerefentry><refentrytitle>systemd.slice</refentrytitle><manvolnum>5</manvolnum></citerefentry>, - <citerefentry><refentrytitle>systemd-machined.service</refentrytitle><manvolnum>8</manvolnum></citerefentry> - </para> - </refsect1> - -</refentry> |