diff --git a/src/basic/cgroup-util.c b/src/basic/cgroup-util.c index 48623fb235..67c2d3a681 100644 --- a/src/basic/cgroup-util.c +++ b/src/basic/cgroup-util.c @@ -542,6 +542,9 @@ static const char *controller_to_dirname(const char *controller) { * just cuts off the name= prefixed used for named * hierarchies, if it is specified. */ + if (streq(controller, SYSTEMD_CGROUP_CONTROLLER)) + controller = SYSTEMD_CGROUP_CONTROLLER_LEGACY; + e = startswith(controller, "name="); if (e) return e; @@ -912,7 +915,7 @@ int cg_get_xattr(const char *controller, const char *path, const char *name, voi int cg_pid_get_path(const char *controller, pid_t pid, char **path) { _cleanup_fclose_ FILE *f = NULL; char line[LINE_MAX]; - const char *fs; + const char *fs, *controller_str; size_t cs = 0; bool unified; @@ -926,8 +929,14 @@ int cg_pid_get_path(const char *controller, pid_t pid, char **path) { controller = SYSTEMD_CGROUP_CONTROLLER; unified = cg_unified(controller); - if (!unified) - cs = strlen(controller); + if (!unified) { + if (streq(controller, SYSTEMD_CGROUP_CONTROLLER)) + controller_str = SYSTEMD_CGROUP_CONTROLLER_LEGACY; + else + controller_str = controller; + + cs = strlen(controller_str); + } fs = procfs_file_alloca(pid, "cgroup"); f = fopen(fs, "re"); @@ -964,7 +973,7 @@ int cg_pid_get_path(const char *controller, pid_t pid, char **path) { *e = 0; FOREACH_WORD_SEPARATOR(word, k, l, ",", state) { - if (k == cs && memcmp(word, controller, cs) == 0) { + if (k == cs && memcmp(word, controller_str, cs) == 0) { found = true; break; } @@ -1810,6 +1819,9 @@ bool cg_controller_is_valid(const char *p) { if (!p) return false; + if (streq(p, SYSTEMD_CGROUP_CONTROLLER)) + return true; + s = startswith(p, "name="); if (s) p = s; diff --git a/src/basic/def.h b/src/basic/def.h index 2266eff650..3ba275f64b 100644 --- a/src/basic/def.h +++ b/src/basic/def.h @@ -36,7 +36,8 @@ /* The default value for the net.unix.max_dgram_qlen sysctl */ #define DEFAULT_UNIX_MAX_DGRAM_QLEN 512UL -#define SYSTEMD_CGROUP_CONTROLLER "name=systemd" +#define SYSTEMD_CGROUP_CONTROLLER_LEGACY "name=systemd" +#define SYSTEMD_CGROUP_CONTROLLER "_systemd" #define SIGNALS_CRASH_HANDLER SIGSEGV,SIGILL,SIGFPE,SIGBUS,SIGQUIT,SIGABRT #define SIGNALS_IGNORE SIGPIPE diff --git a/src/core/cgroup.c b/src/core/cgroup.c index 17e0857729..fbb711782e 100644 --- a/src/core/cgroup.c +++ b/src/core/cgroup.c @@ -1799,7 +1799,7 @@ int manager_setup_cgroup(Manager *m) { else if (cg_unified(SYSTEMD_CGROUP_CONTROLLER)) log_debug("Unified cgroup hierarchy is located at %s. Controllers are on legacy hierarchies.", path); else - log_debug("Using cgroup controller " SYSTEMD_CGROUP_CONTROLLER ". File system hierarchy is at %s.", path); + log_debug("Using cgroup controller " SYSTEMD_CGROUP_CONTROLLER_LEGACY ". File system hierarchy is at %s.", path); if (!m->test_run) { const char *scope_path;