diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/core/cgroup.c | 31 | ||||
| -rw-r--r-- | src/core/cgroup.h | 1 | ||||
| -rw-r--r-- | src/core/manager.c | 3 | ||||
| -rw-r--r-- | src/login/logind.c | 3 | ||||
| -rw-r--r-- | src/shared/cgroup-util.c | 33 | ||||
| -rw-r--r-- | src/shared/cgroup-util.h | 2 |
6 files changed, 41 insertions, 32 deletions
diff --git a/src/core/cgroup.c b/src/core/cgroup.c index b1e22e0ac3..e07d1ed3c9 100644 --- a/src/core/cgroup.c +++ b/src/core/cgroup.c @@ -373,7 +373,7 @@ int manager_setup_cgroup(Manager *m) { log_debug("Created root group."); - manager_shorten_default_controllers(m); + cg_shorten_controllers(m->default_controllers); finish: free(current); @@ -397,35 +397,6 @@ void manager_shutdown_cgroup(Manager *m, bool delete) { m->cgroup_hierarchy = NULL; } -void manager_shorten_default_controllers(Manager *m) { - char **f, **t; - - strv_uniq(m->default_controllers); - - if (!m->default_controllers) - return; - - for (f = m->default_controllers, t = m->default_controllers; *f; f++) { - - if (!streq(*f, "systemd") && !streq(*f, "name=systemd")) { - char *cc; - - cc = alloca(sizeof("/sys/fs/cgroup/") + strlen(*f)); - strcpy(stpcpy(cc, "/sys/fs/cgroup/"), *f); - - if (access(cc, F_OK) >= 0) { - *(t++) = *f; - continue; - } - } - - log_debug("Controller %s not available or redundant, removing from default controllers list.", *f); - free(*f); - } - - *t = NULL; -} - int cgroup_bonding_get(Manager *m, const char *cgroup, CGroupBonding **bonding) { CGroupBonding *b; char *p; diff --git a/src/core/cgroup.h b/src/core/cgroup.h index dd2e6a4aee..95f09e0019 100644 --- a/src/core/cgroup.h +++ b/src/core/cgroup.h @@ -85,7 +85,6 @@ pid_t cgroup_bonding_search_main_pid_list(CGroupBonding *b); int manager_setup_cgroup(Manager *m); void manager_shutdown_cgroup(Manager *m, bool delete); -void manager_shorten_default_controllers(Manager *m); int cgroup_bonding_get(Manager *m, const char *cgroup, CGroupBonding **bonding); int cgroup_notify_empty(Manager *m, const char *group); diff --git a/src/core/manager.c b/src/core/manager.c index 44690525ea..1446c01ea5 100644 --- a/src/core/manager.c +++ b/src/core/manager.c @@ -63,6 +63,7 @@ #include "exit-status.h" #include "virt.h" #include "watchdog.h" +#include "cgroup-util.h" /* As soon as 16 units are in our GC queue, make sure to run a gc sweep */ #define GC_QUEUE_ENTRIES_MAX 16 @@ -3172,7 +3173,7 @@ int manager_set_default_controllers(Manager *m, char **controllers) { strv_free(m->default_controllers); m->default_controllers = l; - manager_shorten_default_controllers(m); + cg_shorten_controllers(m->default_controllers); return 0; } diff --git a/src/login/logind.c b/src/login/logind.c index 1169752873..6b7012ec73 100644 --- a/src/login/logind.c +++ b/src/login/logind.c @@ -1205,6 +1205,9 @@ int manager_startup(Manager *m) { assert(m); assert(m->epoll_fd <= 0); + cg_shorten_controllers(m->reset_controllers); + cg_shorten_controllers(m->controllers); + m->epoll_fd = epoll_create1(EPOLL_CLOEXEC); if (m->epoll_fd < 0) return -errno; diff --git a/src/shared/cgroup-util.c b/src/shared/cgroup-util.c index 8ceb382820..3cb41c7c5f 100644 --- a/src/shared/cgroup-util.c +++ b/src/shared/cgroup-util.c @@ -34,6 +34,7 @@ #include "set.h" #include "macro.h" #include "util.h" +#include "strv.h" int cg_enumerate_processes(const char *controller, const char *path, FILE **_f) { char *fs; @@ -1100,3 +1101,35 @@ int cg_get_user_path(char **path) { *path = p; return 0; } + +char **cg_shorten_controllers(char **controllers) { + char **f, **t; + + controllers = strv_uniq(controllers); + + if (!controllers) + return controllers; + + for (f = controllers, t = controllers; *f; f++) { + char *cc; + + if (streq(*f, "systemd") || streq(*f, SYSTEMD_CGROUP_CONTROLLER)) { + free(*f); + continue; + } + + cc = alloca(sizeof("/sys/fs/cgroup/") + strlen(*f)); + strcpy(stpcpy(cc, "/sys/fs/cgroup/"), *f); + + if (access(cc, F_OK) < 0) { + log_debug("Controller %s is not available, removing from controllers list.", *f); + free(*f); + continue; + } + + *(t++) = *f; + } + + *t = NULL; + return controllers; +} diff --git a/src/shared/cgroup-util.h b/src/shared/cgroup-util.h index cc0ce54521..bb156fc259 100644 --- a/src/shared/cgroup-util.h +++ b/src/shared/cgroup-util.h @@ -70,4 +70,6 @@ int cg_is_empty_recursive(const char *controller, const char *path, bool ignore_ int cg_get_user_path(char **path); +char **cg_shorten_controllers(char **controllers); + #endif |