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author | Yu Watanabe <watanabe.yu+github@gmail.com> | 2021-01-26 15:56:42 +0900 |
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committer | Yu Watanabe <watanabe.yu+github@gmail.com> | 2021-02-01 01:13:44 +0900 |
commit | dc4e2940e87f4f0969476b45a1d25322b5210643 (patch) | |
tree | 67e353ff59e4139f794c7a9d2607e972c2b1ad90 /man/systemd.exec.xml | |
parent | d2acb93dc52b23a9e5d36dda48c1988aa6e9adf1 (diff) | |
download | systemd-dc4e2940e87f4f0969476b45a1d25322b5210643.tar.gz |
core: set $SYSTEMD_EXEC_PID= environment variable for executed commands
It may be useful to detect a command is directly executed by systemd
manager, or indirectly as a child of another process.
Diffstat (limited to 'man/systemd.exec.xml')
-rw-r--r-- | man/systemd.exec.xml | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/man/systemd.exec.xml b/man/systemd.exec.xml index 203fc0355d..5b5590a233 100644 --- a/man/systemd.exec.xml +++ b/man/systemd.exec.xml @@ -3044,6 +3044,17 @@ StandardInputData=SWNrIHNpdHplIGRhIHVuJyBlc3NlIEtsb3BzLAp1ZmYgZWVtYWwga2xvcHAncy </varlistentry> <varlistentry> + <term><varname>$SYSTEMD_EXEC_PID</varname></term> + + <listitem><para>The PID of the unit process (e.g. process invoked by + <varname>ExecStart=</varname>). The child process can use this information to determine + whether the process is directly invoked by the service manager or indirectly as a child of + another process by comparing this value with the current PID (as similar to the scheme used in + <citerefentry><refentrytitle>sd_listen_fds</refentrytitle><manvolnum>3</manvolnum></citerefentry> + with <varname>$LISTEN_PID</varname> and <varname>$LISTEN_FDS</varname>).</para></listitem> + </varlistentry> + + <varlistentry> <term><varname>$TERM</varname></term> <listitem><para>Terminal type, set only for units connected to |