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| author | Laurent Bercot <ska-skaware@skarnet.org> | 2024-10-04 12:08:24 +0000 |
|---|---|---|
| committer | Laurent Bercot <ska@appnovation.com> | 2024-10-04 12:08:24 +0000 |
| commit | d79aff186f7309df1c1f6c0dc8a58fe79c49cab9 (patch) | |
| tree | cc8fcf490b0fb9102a0dd880d52255b34073278f | |
| parent | de8c2721d5652e498cfab99857f989c379b72db2 (diff) | |
| download | s6-d79aff186f7309df1c1f6c0dc8a58fe79c49cab9.tar.xz | |
Document flag-newpidns
Signed-off-by: Laurent Bercot <ska@appnovation.com>
| -rw-r--r-- | doc/servicedir.html | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/doc/servicedir.html b/doc/servicedir.html index f08c3a4..5e93ac0 100644 --- a/doc/servicedir.html +++ b/doc/servicedir.html @@ -208,6 +208,19 @@ newline. This signal will be used to kill the supervised process when a <a href="s6-svc.html">s6-svc -d</a> or <a href="s6-svc.html">s6-svc -r</a> command is used. If the file does not exist, SIGTERM will be used by default. </li> + <li style="margin-bottom:1em"> An optional regular file named <tt>flag-newpidns</tt>. +If such a file exists: + <ul> + <li> On Linux (and potentially in the future, other systems that implement such +functionality): at service starting time, the <tt>./run</tt> script will be spawned +in a new PID namespace. It will be pid 1 in that namespace. </li> + <li> On systems that do not support the functionality: the service will fail to +start, so do not create this file if you're unsure. (Yes, it is a better behaviour +than ignoring the flag. Having the flag be silently ignored on some systems would +be very bad.) </li> + </ul> +</li> + <li style="margin-bottom:1em"> A <a href="fifodir.html">fifodir</a> named <tt>event</tt>. It is automatically created by <a href="s6-supervise.html">s6-supervise</a> if it does not exist. <em>foo</em><tt>/event</tt> |