1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2010 Lennart Poettering
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
26 #include "load-dropin.h"
29 #include "unit-name.h"
31 static int iterate_dir(Unit
*u
, const char *path
, UnitDependency dependency
) {
48 while ((de
= readdir(d
))) {
51 if (ignore_file(de
->d_name
))
54 f
= join(path
, "/", de
->d_name
, NULL
);
60 r
= unit_add_dependency_by_name(u
, dependency
, de
->d_name
, f
, true);
64 log_error("Cannot add dependency %s to %s, ignoring: %s", de
->d_name
, u
->id
, strerror(-r
));
74 static int process_dir(Unit
*u
, const char *unit_path
, const char *name
, const char *suffix
, UnitDependency dependency
) {
83 path
= join(unit_path
, "/", name
, suffix
, NULL
);
87 if (u
->manager
->unit_path_cache
&&
88 !set_get(u
->manager
->unit_path_cache
, path
))
91 r
= iterate_dir(u
, path
, dependency
);
99 /* Also try the template dir */
101 template = unit_name_template(name
);
105 path
= join(unit_path
, "/", template, suffix
, NULL
);
111 if (u
->manager
->unit_path_cache
&&
112 !set_get(u
->manager
->unit_path_cache
, path
))
115 r
= iterate_dir(u
, path
, dependency
);
125 int unit_load_dropin(Unit
*u
) {
131 /* Load dependencies from supplementary drop-in directories */
133 SET_FOREACH(t
, u
->names
, i
) {
136 STRV_FOREACH(p
, u
->manager
->lookup_paths
.unit_path
) {
139 r
= process_dir(u
, *p
, t
, ".wants", UNIT_WANTS
);
143 r
= process_dir(u
, *p
, t
, ".requires", UNIT_REQUIRES
);