X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fcore%2Fload-dropin.c;h=f2ffc9781ec95a7d3eb829582bc630a3da91089d;hp=52ebfea6dc7d3ae79f6c0c6152adc981198d6fe4;hb=bcd816bd349241bcd9c0bfbfd9cfe7b034ba351b;hpb=83dd76170d425ea149b74254083b2ce8add18dd8

diff --git a/src/core/load-dropin.c b/src/core/load-dropin.c
index 52ebfea6d..f2ffc9781 100644
--- a/src/core/load-dropin.c
+++ b/src/core/load-dropin.c
@@ -31,7 +31,12 @@
 #include "load-fragment.h"
 #include "conf-files.h"
 
-static int iterate_dir(Unit *u, const char *path, UnitDependency dependency, char ***strv) {
+static int iterate_dir(
+                Unit *u,
+                const char *path,
+                UnitDependency dependency,
+                char ***strv) {
+
         _cleanup_closedir_ DIR *d = NULL;
         int r;
 
@@ -53,17 +58,19 @@ static int iterate_dir(Unit *u, const char *path, UnitDependency dependency, cha
                 if (errno == ENOENT)
                         return 0;
 
+                log_error("Failed to open directory %s: %m", path);
                 return -errno;
         }
 
         for (;;) {
                 struct dirent *de;
-                union dirent_storage buf;
                 _cleanup_free_ char *f = NULL;
                 int k;
 
-                k = readdir_r(d, &buf.de, &de);
-                if (k != 0) {
+                errno = 0;
+                de = readdir(d);
+                if (!de && errno != 0) {
+                        k = errno;
                         log_error("Failed to read directory %s: %s", path, strerror(k));
                         return -k;
                 }
@@ -86,9 +93,16 @@ static int iterate_dir(Unit *u, const char *path, UnitDependency dependency, cha
         return 0;
 }
 
-static int process_dir(Unit *u, const char *unit_path, const char *name, const char *suffix, UnitDependency dependency, char ***strv) {
-        int r;
-        char *path;
+static int process_dir(
+                Unit *u,
+                const char *unit_path,
+                const char *name,
+                const char *suffix,
+                UnitDependency dependency,
+                char ***strv) {
+
+        _cleanup_free_ char *path = NULL;
+        int r, q;
 
         assert(u);
         assert(unit_path);
@@ -97,52 +111,63 @@ static int process_dir(Unit *u, const char *unit_path, const char *name, const c
 
         path = strjoin(unit_path, "/", name, suffix, NULL);
         if (!path)
-                return -ENOMEM;
-
-        if (u->manager->unit_path_cache &&
-            !set_get(u->manager->unit_path_cache, path))
-                r = 0;
-        else
-                r = iterate_dir(u, path, dependency, strv);
-        free(path);
+                return log_oom();
 
-        if (r < 0)
-                return r;
+        if (!u->manager->unit_path_cache || set_get(u->manager->unit_path_cache, path))
+                iterate_dir(u, path, dependency, strv);
 
         if (u->instance) {
-                char *template;
+                _cleanup_free_ char *template = NULL, *p = NULL;
                 /* Also try the template dir */
 
                 template = unit_name_template(name);
                 if (!template)
-                        return -ENOMEM;
-
-                path = strjoin(unit_path, "/", template, suffix, NULL);
-                free(template);
-
-                if (!path)
-                        return -ENOMEM;
+                        return log_oom();
 
-                if (u->manager->unit_path_cache &&
-                    !set_get(u->manager->unit_path_cache, path))
-                        r = 0;
-                else
-                        r = iterate_dir(u, path, dependency, strv);
-                free(path);
+                p = strjoin(unit_path, "/", template, suffix, NULL);
+                if (!p)
+                        return log_oom();
 
-                if (r < 0)
-                        return r;
+                if (!u->manager->unit_path_cache || set_get(u->manager->unit_path_cache, p))
+                        iterate_dir(u, p, dependency, strv);
         }
 
         return 0;
 }
 
-int unit_load_dropin(Unit *u) {
+char **unit_find_dropin_paths(Unit *u) {
+        _cleanup_strv_free_ char **strv = NULL;
+        char **configs = NULL;
         Iterator i;
         char *t;
-        _cleanup_strv_free_ char **strv = NULL;
         int r;
 
+        assert(u);
+
+        SET_FOREACH(t, u->names, i) {
+                char **p;
+
+                STRV_FOREACH(p, u->manager->lookup_paths.unit_path)
+                        process_dir(u, *p, t, ".d", _UNIT_DEPENDENCY_INVALID, &strv);
+        }
+
+        if (strv_isempty(strv))
+                return NULL;
+
+        r = conf_files_list_strv(&configs, ".conf", NULL, (const char**) strv);
+        if (r < 0) {
+                log_error("Failed to get list of configuration files: %s", strerror(-r));
+                strv_free(configs);
+                return NULL;
+        }
+
+        return configs;
+}
+
+int unit_load_dropin(Unit *u) {
+        Iterator i;
+        char *t, **f;
+        int r;
 
         assert(u);
 
@@ -152,37 +177,22 @@ int unit_load_dropin(Unit *u) {
                 char **p;
 
                 STRV_FOREACH(p, u->manager->lookup_paths.unit_path) {
-                        r = process_dir(u, *p, t, ".wants", UNIT_WANTS, NULL);
-                        if (r < 0)
-                                return r;
-
-                        r = process_dir(u, *p, t, ".requires", UNIT_REQUIRES, NULL);
-                        if (r < 0)
-                                return r;
-
-                        /* This loads the drop-in config snippets */
-                        r = process_dir(u, *p, t, ".d", _UNIT_DEPENDENCY_INVALID, &strv);
-                        if (r < 0)
-                                return r;
+                        process_dir(u, *p, t, ".wants", UNIT_WANTS, NULL);
+                        process_dir(u, *p, t, ".requires", UNIT_REQUIRES, NULL);
                 }
         }
 
-        if (!strv_isempty(strv)) {
-                _cleanup_strv_free_ char **files = NULL;
-                char **f;
-
-                r = conf_files_list_strv(&files, ".conf", (const char**) strv);
-                if (r < 0) {
-                        log_error("Failed to get list of configuration files: %s", strerror(-r));
-                        return r;
-                }
+        u->dropin_paths = unit_find_dropin_paths(u);
+        if (! u->dropin_paths)
+                return 0;
 
-                STRV_FOREACH(f, files) {
-                        r = config_parse(*f, NULL, UNIT_VTABLE(u)->sections, config_item_perf_lookup, (void*) load_fragment_gperf_lookup, false, u);
-                        if (r < 0)
-                                return r;
-                }
+        STRV_FOREACH(f, u->dropin_paths) {
+                config_parse(u->id, *f, NULL,
+                             UNIT_VTABLE(u)->sections, config_item_perf_lookup,
+                             (void*) load_fragment_gperf_lookup, false, false, u);
         }
 
+        u->dropin_mtime = now(CLOCK_REALTIME);
+
         return 0;
 }