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->meta.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->meta.manager->unit_path_cache &&
88 !set_get(u->meta.manager->unit_path_cache, path))
91 r = iterate_dir(u, path, dependency);
97 if (u->meta.instance) {
99 /* Also try the template dir */
101 template = unit_name_template(name);
105 path = join(unit_path, "/", template, suffix, NULL);
111 if (u->meta.manager->unit_path_cache &&
112 !set_get(u->meta.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->meta.names, i) {
136 STRV_FOREACH(p, u->meta.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);