util: fix tty_is_vc_resolve() in a container where /sys/class/tty/console/active...

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

diff --git a/src/core/cgroup.c b/src/core/cgroup.c
index 7a5f673a7ad0c7e4731dda7bd3f9b08baf8a2254..e07d1ed3c96d2a803c0d49d6fa4147251e936a10 100644 (file)
--- a/src/core/cgroup.c
+++ b/src/core/cgroup.c
@@ -30,6 +30,7 @@
 #include "cgroup.h"
 #include "cgroup-util.h"
 #include "log.h"
+#include "strv.h"
 
 int cgroup_bonding_realize(CGroupBonding *b) {
         int r;
@@ -305,7 +306,8 @@ int manager_setup_cgroup(Manager *m) {
         }
 
         /* 1. Determine hierarchy */
-        if ((r = cg_get_by_pid(SYSTEMD_CGROUP_CONTROLLER, 0, &current)) < 0) {
+        r = cg_get_by_pid(SYSTEMD_CGROUP_CONTROLLER, 0, &current);
+        if (r < 0) {
                 log_error("Cannot determine cgroup we are running in: %s", strerror(-r));
                 goto finish;
         }
@@ -334,7 +336,8 @@ int manager_setup_cgroup(Manager *m) {
         }
 
         /* 2. Show data */
-        if ((r = cg_get_path(SYSTEMD_CGROUP_CONTROLLER, m->cgroup_hierarchy, NULL, &path)) < 0) {
+        r = cg_get_path(SYSTEMD_CGROUP_CONTROLLER, m->cgroup_hierarchy, NULL, &path);
+        if (r < 0) {
                 log_error("Cannot find cgroup mount point: %s", strerror(-r));
                 goto finish;
         }
@@ -342,7 +345,8 @@ int manager_setup_cgroup(Manager *m) {
         log_debug("Using cgroup controller " SYSTEMD_CGROUP_CONTROLLER ". File system hierarchy is at %s.", path);
 
         /* 3. Install agent */
-        if ((r = cg_install_release_agent(SYSTEMD_CGROUP_CONTROLLER, SYSTEMD_CGROUP_AGENT_PATH)) < 0)
+        r = cg_install_release_agent(SYSTEMD_CGROUP_CONTROLLER, SYSTEMD_CGROUP_AGENT_PATH);
+        if (r < 0)
                 log_warning("Failed to install release agent, ignoring: %s", strerror(-r));
         else if (r > 0)
                 log_debug("Installed release agent.");
@@ -350,7 +354,8 @@ int manager_setup_cgroup(Manager *m) {
                 log_debug("Release agent already installed.");
 
         /* 4. Realize the group */
-        if ((r = cg_create_and_attach(SYSTEMD_CGROUP_CONTROLLER, m->cgroup_hierarchy, 0)) < 0) {
+        r = cg_create_and_attach(SYSTEMD_CGROUP_CONTROLLER, m->cgroup_hierarchy, 0);
+        if (r < 0) {
                 log_error("Failed to create root cgroup hierarchy: %s", strerror(-r));
                 goto finish;
         }
@@ -359,7 +364,8 @@ int manager_setup_cgroup(Manager *m) {
         if (m->pin_cgroupfs_fd >= 0)
                 close_nointr_nofail(m->pin_cgroupfs_fd);
 
-        if ((m->pin_cgroupfs_fd = open(path, O_RDONLY|O_CLOEXEC|O_DIRECTORY|O_NOCTTY|O_NONBLOCK)) < 0) {
+        m->pin_cgroupfs_fd = open(path, O_RDONLY|O_CLOEXEC|O_DIRECTORY|O_NOCTTY|O_NONBLOCK);
+        if (r < 0) {
                 log_error("Failed to open pin file: %m");
                 r = -errno;
                 goto finish;
@@ -367,6 +373,8 @@ int manager_setup_cgroup(Manager *m) {
 
         log_debug("Created root group.");
 
+        cg_shorten_controllers(m->default_controllers);
+
 finish:
         free(current);
         free(path);