Systemd/load-dropin.c

73 lines
1.9 KiB
C

/*-*- 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;
}