diff options
Diffstat (limited to 'src/grp-system/libcore/load-dropin.c')
-rw-r--r-- | src/grp-system/libcore/load-dropin.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/src/grp-system/libcore/load-dropin.c b/src/grp-system/libcore/load-dropin.c new file mode 100644 index 0000000000..9a65b5038b --- /dev/null +++ b/src/grp-system/libcore/load-dropin.c @@ -0,0 +1,91 @@ +/*** + This file is part of systemd. + + Copyright 2010 Lennart Poettering + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + + +#include "basic/log.h" +#include "basic/strv.h" +#include "basic/unit-name.h" +#include "shared/conf-parser.h" + +#include "load-dropin.h" +#include "load-fragment.h" +#include "unit.h" + +static int add_dependency_consumer( + UnitDependency dependency, + const char *entry, + const char* filepath, + void *arg) { + Unit *u = arg; + int r; + + assert(u); + + r = unit_add_dependency_by_name(u, dependency, entry, filepath, true); + if (r < 0) + log_error_errno(r, "Cannot add dependency %s to %s, ignoring: %m", entry, u->id); + + return 0; +} + +int unit_load_dropin(Unit *u) { + _cleanup_strv_free_ char **l = NULL; + Iterator i; + char *t, **f; + int r; + + assert(u); + + /* Load dependencies from supplementary drop-in directories */ + + SET_FOREACH(t, u->names, i) { + char **p; + + STRV_FOREACH(p, u->manager->lookup_paths.search_path) { + unit_file_process_dir(u->manager->unit_path_cache, *p, t, ".wants", UNIT_WANTS, + add_dependency_consumer, u, NULL); + unit_file_process_dir(u->manager->unit_path_cache, *p, t, ".requires", UNIT_REQUIRES, + add_dependency_consumer, u, NULL); + } + } + + r = unit_find_dropin_paths(u, &l); + if (r <= 0) + return 0; + + if (!u->dropin_paths) { + u->dropin_paths = l; + l = NULL; + } else { + r = strv_extend_strv(&u->dropin_paths, l, true); + if (r < 0) + return log_oom(); + } + + STRV_FOREACH(f, u->dropin_paths) { + config_parse(u->id, *f, NULL, + UNIT_VTABLE(u)->sections, + config_item_perf_lookup, load_fragment_gperf_lookup, + false, false, false, u); + } + + u->dropin_mtime = now(CLOCK_REALTIME); + + return 0; +} |