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e0207c8)
Errors because of oom conditions or descriptor exhaustion should not
be ignored. We probably cannot recover from those conditions.
Current behaviour wrt. insufficient permissions is described in the
man page. It might make sense in case of user sessions, so I left
it as is.
point in the file system hierarchy, a dependency
between both units is created automatically.</para>
point in the file system hierarchy, a dependency
between both units is created automatically.</para>
- <para>Unless <varname>DefaultDependencies=</varname>
- is set to <option>false</option>, path units will
- implicitly have dependencies of type
- <varname>Conflicts=</varname> and
+ <para>Unless <varname>DefaultDependencies=false</varname>
+ is used, path units will implicitly have dependencies of
+ type <varname>Conflicts=</varname> and
<varname>Before=</varname> on
<filename>shutdown.target</filename>. These ensure
that path units are terminated cleanly prior to system
shutdown. Only path units involved with early boot or
<varname>Before=</varname> on
<filename>shutdown.target</filename>. These ensure
that path units are terminated cleanly prior to system
shutdown. Only path units involved with early boot or
- late system shutdown should disable this
- option.</para>
+ late system shutdown should disable this option.
+ </para>
assignments of these options will not
have any effect.</para>
assignments of these options will not
have any effect.</para>
- <para>If a path is already existing
+ <para>If a path already exists
(in case of
<varname>PathExists=</varname> and
<varname>PathExistsGlob=</varname>) or
(in case of
<varname>PathExists=</varname> and
<varname>PathExistsGlob=</varname>) or
activated, then the configured unit is
immediately activated as
well. Something similar does not apply
activated, then the configured unit is
immediately activated as
well. Something similar does not apply
- to <varname>PathChanged=</varname>.
+ to <varname>PathChanged=</varname> and
+ <varname>PathModified=</varname>.</para>
+
+ <para>If the path itself or any of the
+ containing directories are not
+ accessible, <command>systemd</command>
+ will watch for permission changes and
+ notice that conditions are satisfied
+ when permissions allow that.
</para></listitem>
</varlistentry>
<varlistentry>
</para></listitem>
</varlistentry>
<varlistentry>
s->primary_wd = inotify_add_watch(s->inotify_fd, k, flags_table[s->type]);
if (s->primary_wd >= 0)
exists = true;
s->primary_wd = inotify_add_watch(s->inotify_fd, k, flags_table[s->type]);
if (s->primary_wd >= 0)
exists = true;
+ else if (errno != EACCES && errno != ENOENT) {
+ log_error("Failed to add watch on %s: %m", k);
+ r = -errno;
+ goto fail;
+ }
if (inotify_add_watch(s->inotify_fd, k, flags) >= 0)
exists = true;
if (inotify_add_watch(s->inotify_fd, k, flags) >= 0)
exists = true;
+ else if (errno != EACCES && errno != ENOENT) {
+ log_error("Failed to add watch on %s: %m", k);
+ r = -errno;
+ goto fail;
+ }
+ if (!exists) {
+ log_error("Failed to add watch on any of the components of %s: %m",
+ s->path);
+ r = -errno;
+ goto fail;
+ }
+