journalctl: use _COMM= match for scripts

[elogind.git] / src / core / main.c

diff --git a/src/core/main.c b/src/core/main.c
index 3c6fccf527d4adf7f0875b1a75cebce61182efac..ad155e13caa6dd45ea13fdb54df764bc50f3d210 100644 (file)
--- a/src/core/main.c
+++ b/src/core/main.c
@@ -1055,15 +1055,16 @@ static int prepare_reexecute(Manager *m, FILE **_f, FDSet **_fds, bool switching
         assert(_f);
         assert(_fds);
 
-        /* Make sure nothing is really destructed when we shut down */
-        m->n_reloading ++;
-
         r = manager_open_serialization(m, &f);
         if (r < 0) {
                 log_error("Failed to create serialization file: %s", strerror(-r));
                 goto fail;
         }
 
+        /* Make sure nothing is really destructed when we shut down */
+        m->n_reloading ++;
+        bus_broadcast_reloading(m, true);
+
         fds = fdset_new();
         if (!fds) {
                 r = -ENOMEM;
@@ -1144,25 +1145,6 @@ static int bump_rlimit_nofile(struct rlimit *saved_rlimit) {
         return 0;
 }
 
-static struct dual_timestamp* parse_initrd_timestamp(struct dual_timestamp *t) {
-        const char *e;
-        unsigned long long a, b;
-
-        assert(t);
-
-        e = getenv("RD_TIMESTAMP");
-        if (!e)
-                return NULL;
-
-        if (sscanf(e, "%llu %llu", &a, &b) != 2)
-                return NULL;
-
-        t->realtime = (usec_t) a;
-        t->monotonic = (usec_t) b;
-
-        return t;
-}
-
 static void test_mtab(void) {
         char *p;
 
@@ -1298,18 +1280,8 @@ int main(int argc, char *argv[]) {
                 log_set_target(LOG_TARGET_KMSG);
                 log_open();
 
-                if (in_initrd()) {
-                        char *rd_timestamp = NULL;
-
+                if (in_initrd())
                         initrd_timestamp = userspace_timestamp;
-                        asprintf(&rd_timestamp, "%llu %llu",
-                                 (unsigned long long) initrd_timestamp.realtime,
-                                 (unsigned long long) initrd_timestamp.monotonic);
-                        if (rd_timestamp) {
-                                setenv("RD_TIMESTAMP", rd_timestamp, 1);
-                                free(rd_timestamp);
-                        }
-                }
 
                 if (!skip_setup) {
                         mount_setup_early();
@@ -1345,10 +1317,10 @@ int main(int argc, char *argv[]) {
                                  */
                                 hwclock_reset_timezone();
 
-                                /* Tell the kernel our time zone */
+                                /* Tell the kernel our timezone */
                                 r = hwclock_set_timezone(NULL);
                                 if (r < 0)
-                                        log_error("Failed to set the kernel's time zone, ignoring: %s", strerror(-r));
+                                        log_error("Failed to set the kernel's timezone, ignoring: %s", strerror(-r));
                         }
                 }
 
@@ -1483,12 +1455,6 @@ int main(int argc, char *argv[]) {
                arg_running_as == SYSTEMD_SYSTEM);
 
         if (arg_running_as == SYSTEMD_SYSTEM) {
-                /* Parse the data passed to us. We leave this
-                 * variables set, but the manager later on will not
-                 * pass them on to our children. */
-                if (!in_initrd())
-                        parse_initrd_timestamp(&initrd_timestamp);
-
                 /* Unset some environment variables passed in from the
                  * kernel that don't really make sense for us. */
                 unsetenv("HOME");
@@ -1514,12 +1480,7 @@ int main(int argc, char *argv[]) {
 
                 /* All other variables are left as is, so that clients
                  * can still read them via /proc/1/environ */
-        }
-
-        /* Move out of the way, so that we won't block unmounts */
-        assert_se(chdir("/")  == 0);
 
-        if (arg_running_as == SYSTEMD_SYSTEM) {
                 /* Become a session leader if we aren't one yet. */
                 setsid();
 
@@ -1527,6 +1488,9 @@ int main(int argc, char *argv[]) {
                 umask(0);
         }
 
+        /* Move out of the way, so that we won't block unmounts */
+        assert_se(chdir("/")  == 0);
+
         /* Make sure D-Bus doesn't fiddle with the SIGPIPE handlers */
         dbus_connection_set_change_sigpipe(FALSE);
 
@@ -1613,7 +1577,7 @@ int main(int argc, char *argv[]) {
         if (arg_running_as == SYSTEMD_SYSTEM)
                 bump_rlimit_nofile(&saved_rlimit_nofile);
 
-        r = manager_new(arg_running_as, &m);
+        r = manager_new(arg_running_as, !!serialization, &m);
         if (r < 0) {
                 log_error("Failed to allocate manager object: %s", strerror(-r));
                 goto finish;
@@ -1666,7 +1630,7 @@ int main(int argc, char *argv[]) {
                 if (r < 0) {
                         log_error("Failed to load default target: %s", bus_error(&error, r));
                         dbus_error_free(&error);
-                } else if (target->load_state == UNIT_ERROR)
+                } else if (target->load_state == UNIT_ERROR || target->load_state == UNIT_NOT_FOUND)
                         log_error("Failed to load default target: %s", strerror(-target->load_error));
                 else if (target->load_state == UNIT_MASKED)
                         log_error("Default target masked.");
@@ -1679,7 +1643,7 @@ int main(int argc, char *argv[]) {
                                 log_error("Failed to load rescue target: %s", bus_error(&error, r));
                                 dbus_error_free(&error);
                                 goto finish;
-                        } else if (target->load_state == UNIT_ERROR) {
+                        } else if (target->load_state == UNIT_ERROR || target->load_state == UNIT_NOT_FOUND) {
                                 log_error("Failed to load rescue target: %s", strerror(-target->load_error));
                                 goto finish;
                         } else if (target->load_state == UNIT_MASKED) {
@@ -1942,6 +1906,12 @@ finish:
                         watchdog_close(true);
                 }
 
+                /* Avoid the creation of new processes forked by the
+                 * kernel; at this point, we will not listen to the
+                 * signals anyway */
+                if (detect_container(NULL) <= 0)
+                        cg_uninstall_release_agent(SYSTEMD_CGROUP_CONTROLLER);
+
                 execve(SYSTEMD_SHUTDOWN_BINARY_PATH, (char **) command_line, env_block);
                 free(env_block);
                 log_error("Failed to execute shutdown binary, freezing: %m");