From: Lennart Poettering <lennart@poettering.net>
Date: Tue, 18 Mar 2014 03:43:08 +0000 (+0100)
Subject: machined: fix Kill() bus call on machine objects when "what" is specified as "leader"
X-Git-Tag: v212~118
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=de58a50e24a0d55e3bbcc77f8f6170a7322acf52

machined: fix Kill() bus call on machine objects when "what" is specified as "leader"
---

diff --git a/src/machine/machine.c b/src/machine/machine.c
index 4596a8083..9a5cc9a63 100644
--- a/src/machine/machine.c
+++ b/src/machine/machine.c
@@ -410,7 +410,15 @@ int machine_kill(Machine *m, KillWho who, int signo) {
         if (!m->unit)
                 return -ESRCH;
 
-        return manager_kill_unit(m->manager, m->unit, who, signo, NULL);
+        if (who == KILL_LEADER) {
+                /* If we shall simply kill the leader, do so directly */
+
+                if (kill(m->leader, signo) < 0)
+                        return -errno;
+        }
+
+        /* Otherwise make PID 1 do it for us, for the entire cgroup */
+        return manager_kill_unit(m->manager, m->unit, signo, NULL);
 }
 
 static const char* const machine_class_table[_MACHINE_CLASS_MAX] = {
diff --git a/src/machine/machined-dbus.c b/src/machine/machined-dbus.c
index 09d28bbb3..947310542 100644
--- a/src/machine/machined-dbus.c
+++ b/src/machine/machined-dbus.c
@@ -655,7 +655,7 @@ int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, c
         return 1;
 }
 
-int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error) {
+int manager_kill_unit(Manager *manager, const char *unit, int signo, sd_bus_error *error) {
         assert(manager);
         assert(unit);
 
@@ -667,7 +667,7 @@ int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo
                         "KillUnit",
                         error,
                         NULL,
-                        "ssi", unit, who == KILL_LEADER ? "main" : "all", signo);
+                        "ssi", unit, "all", signo);
 }
 
 int manager_unit_is_active(Manager *manager, const char *unit) {
diff --git a/src/machine/machined.h b/src/machine/machined.h
index d4b581be7..2dba303df 100644
--- a/src/machine/machined.h
+++ b/src/machine/machined.h
@@ -67,6 +67,6 @@ int match_job_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_b
 
 int manager_start_scope(Manager *manager, const char *scope, pid_t pid, const char *slice, const char *description, sd_bus_message *more_properties, sd_bus_error *error, char **job);
 int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job);
-int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error);
+int manager_kill_unit(Manager *manager, const char *unit, int signo, sd_bus_error *error);
 int manager_unit_is_active(Manager *manager, const char *unit);
 int manager_job_is_active(Manager *manager, const char *path);