unit: add simple only-by-dependency flag for units

[elogind.git] / src / unit.c

diff --git a/src/unit.c b/src/unit.c
index 8f0b0773f1b9f0c0730bcb1448ce711c574a0c9e..b38be317eef95468feb3023cf1059f6cfaac835b 100644 (file)
--- a/src/unit.c
+++ b/src/unit.c
@@ -534,7 +534,10 @@ int unit_add_exec_dependencies(Unit *u, ExecContext *c) {
         assert(u);
         assert(c);
 
-        if (c->std_output != EXEC_OUTPUT_KMSG && c->std_output != EXEC_OUTPUT_SYSLOG)
+        if (c->std_output != EXEC_OUTPUT_KMSG &&
+            c->std_output != EXEC_OUTPUT_SYSLOG &&
+            c->std_error != EXEC_OUTPUT_KMSG &&
+            c->std_error != EXEC_OUTPUT_SYSLOG)
                 return 0;
 
         /* If syslog or kernel logging is requested, make sure our own
@@ -590,7 +593,8 @@ void unit_dump(Unit *u, FILE *f, const char *prefix) {
                 "%s\tActive Enter Timestamp: %s\n"
                 "%s\tActive Exit Timestamp: %s\n"
                 "%s\tInactive Enter Timestamp: %s\n"
-                "%s\tGC Check Good: %s\n",
+                "%s\tGC Check Good: %s\n"
+                "%s\tOnly By Dependency: %s\n",
                 prefix, u->meta.id,
                 prefix, unit_description(u),
                 prefix, strna(u->meta.instance),
@@ -600,7 +604,8 @@ void unit_dump(Unit *u, FILE *f, const char *prefix) {
                 prefix, strna(format_timestamp(timestamp2, sizeof(timestamp2), u->meta.active_enter_timestamp)),
                 prefix, strna(format_timestamp(timestamp3, sizeof(timestamp3), u->meta.active_exit_timestamp)),
                 prefix, strna(format_timestamp(timestamp4, sizeof(timestamp4), u->meta.inactive_enter_timestamp)),
-                prefix, yes_no(unit_check_gc(u)));
+                prefix, yes_no(unit_check_gc(u)),
+                prefix, yes_no(u->meta.only_by_dependency));
 
         SET_FOREACH(t, u->meta.names, i)
                 fprintf(f, "%s\tName: %s\n", prefix, t);
@@ -735,9 +740,10 @@ fail:
 }
 
 /* Errors:
- *         -EBADR:    This unit type does not support starting.
- *         -EALREADY: Unit is already started.
- *         -EAGAIN:   An operation is already in progress. Retry later.
+ *         -EBADR:     This unit type does not support starting.
+ *         -EALREADY:  Unit is already started.
+ *         -EAGAIN:    An operation is already in progress. Retry later.
+ *         -ECANCELED: Too many requests for now.
  */
 int unit_start(Unit *u) {
         UnitActiveState state;