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 Lesser General Public License as published by
10 the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
18 You should have received a copy of the GNU Lesser 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 = strjoin(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 = strjoin(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 = strjoin(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);