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authorLennart Poettering <lennart@poettering.net>2010-01-27 00:15:56 +0100
committerLennart Poettering <lennart@poettering.net>2010-01-27 00:15:56 +0100
commit0301abf48ed3be921c33d409c73b554435cf6378 (patch)
treea519dad97ab1eb945be1999c2892aa2fe25509c3 /load-dropin.c
parent87f0e418cf2c58b3201d06a60e3696ec672d2662 (diff)
implement drop-in directories
Diffstat (limited to 'load-dropin.c')
-rw-r--r--load-dropin.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/load-dropin.c b/load-dropin.c
index 3023cdae60..b975d83f04 100644
--- a/load-dropin.c
+++ b/load-dropin.c
@@ -1,11 +1,72 @@
/*-*- Mode: C; c-basic-offset: 8 -*-*/
+#include <dirent.h>
+#include <errno.h>
+
+#include "unit.h"
#include "load-dropin.h"
int unit_load_dropin(Unit *u) {
+ Iterator i;
+ int r;
+ char *t;
+
assert(u);
/* Load dependencies from supplementary drop-in directories */
+ SET_FOREACH(t, u->meta.names, i) {
+ char *path;
+ DIR *d;
+ struct dirent *de;
+
+ if (asprintf(&path, "%s/%s.wants", unit_path(), t) < 0)
+ return -ENOMEM;
+
+ if (!(d = opendir(path))) {
+ r = -errno;
+ free(path);
+
+ if (r == -ENOENT)
+ continue;
+
+ return r;
+ }
+
+ free(path);
+
+ while ((de = readdir(d))) {
+ Unit *other;
+
+ if (de->d_name[0] == '.')
+ continue;
+
+ assert(de->d_name[0]);
+
+ if (de->d_name[strlen(de->d_name)-1] == '~')
+ continue;
+
+ if (asprintf(&path, "%s/%s.wants/%s", unit_path(), t, de->d_name) < 0) {
+ closedir(d);
+ return -ENOMEM;
+ }
+
+ r = manager_load_unit(u->meta.manager, path, &other);
+ free(path);
+
+ if (r < 0) {
+ closedir(d);
+ return r;
+ }
+
+ if ((r = unit_add_dependency(u, UNIT_WANTS, other)) < 0) {
+ closedir(d);
+ return r;
+ }
+ }
+
+ closedir(d);
+ }
+
return 0;
}