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-rw-r--r--man/sd_pid_get_session.xml34
1 files changed, 26 insertions, 8 deletions
diff --git a/man/sd_pid_get_session.xml b/man/sd_pid_get_session.xml
index 511fcf3ede..d2b64195a6 100644
--- a/man/sd_pid_get_session.xml
+++ b/man/sd_pid_get_session.xml
@@ -45,6 +45,7 @@
<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>
<refpurpose>Determine session, service or owner of a session of a specific PID</refpurpose>
</refnamediv>
@@ -66,6 +67,12 @@
</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>
@@ -91,18 +98,28 @@
call after use.</para>
<para><function>sd_pid_get_unit()</function> may be
- used to determine the systemd unit (i.e. system
+ used to determine the systemd system unit (i.e. system
service) identifier of a process identified by the
- specified process identifier. The unit name is a short
- string, suitable for usage in file system paths. Note
- that not all processes are part of a unit/service
+ 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 unit/system
- service this function will fail. The returned string
- needs to be freed with the libc
+ 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><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
@@ -131,7 +148,8 @@
<title>Notes</title>
<para>The <function>sd_pid_get_session()</function>,
- <function>sd_pid_get_pid()</function>, and
+ <function>sd_pid_get_unit()</function>,
+ <function>sd_pid_get_user_unit()</function>, and
<function>sd_pid_get_owner_uid()</function> interfaces
are available as shared library, which can be compiled
and linked to with the