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) {
39 if (!(d = opendir(path))) {
47 while ((de = readdir(d))) {
50 if (ignore_file(de->d_name))
53 f = join(path, "/", de->d_name, NULL);
59 r = unit_add_dependency_by_name(u, dependency, de->d_name, f, true);
73 static int process_dir(Unit *u, const char *unit_path, const char *name, const char *suffix, UnitDependency dependency) {
82 path = join(unit_path, "/", name, suffix, NULL);
86 if (u->meta.manager->unit_path_cache &&
87 !set_get(u->meta.manager->unit_path_cache, path))
90 r = iterate_dir(u, path, dependency);
96 if (u->meta.instance) {
98 /* Also try the template dir */
100 if (!(template = unit_name_template(name)))
103 path = join(unit_path, "/", template, suffix, NULL);
109 if (u->meta.manager->unit_path_cache &&
110 !set_get(u->meta.manager->unit_path_cache, path))
113 r = iterate_dir(u, path, dependency);
123 int unit_load_dropin(Unit *u) {
129 /* Load dependencies from supplementary drop-in directories */
131 SET_FOREACH(t, u->meta.names, i) {
134 STRV_FOREACH(p, u->meta.manager->lookup_paths.unit_path) {
137 if ((r = process_dir(u, *p, t, ".wants", UNIT_WANTS)) < 0)
140 if ((r = process_dir(u, *p, t, ".requires", UNIT_REQUIRES)) < 0)