X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fcore%2Fcgroup.c;h=8fc1731485986c08f184b6e0dbca2c03bcfc27fe;hb=3761902e2e120849c283106fd4b78b6adec7367e;hp=3334f216a240bf19261d994f9b28b75eb56dbda5;hpb=3474ae3c7e1981301d0b35bc89d759ca13f06e8f;p=elogind.git diff --git a/src/core/cgroup.c b/src/core/cgroup.c index 3334f216a..8fc173148 100644 --- a/src/core/cgroup.c +++ b/src/core/cgroup.c @@ -30,6 +30,8 @@ #include "cgroup.h" #include "cgroup-util.h" #include "log.h" +#include "strv.h" +#include "path-util.h" int cgroup_bonding_realize(CGroupBonding *b) { int r; @@ -118,7 +120,7 @@ int cgroup_bonding_install(CGroupBonding *b, pid_t pid, const char *cgroup_suffi assert(pid >= 0); if (cgroup_suffix) { - p = join(b->path, "/", cgroup_suffix, NULL); + p = strjoin(b->path, "/", cgroup_suffix, NULL); if (!p) return -ENOMEM; @@ -193,7 +195,7 @@ int cgroup_bonding_set_task_access_list(CGroupBonding *first, mode_t mode, uid_t return 0; } -int cgroup_bonding_kill(CGroupBonding *b, int sig, bool sigcont, Set *s, const char *cgroup_suffix) { +int cgroup_bonding_kill(CGroupBonding *b, int sig, bool sigcont, bool rem, Set *s, const char *cgroup_suffix) { char *p = NULL; const char *path; int r; @@ -206,7 +208,7 @@ int cgroup_bonding_kill(CGroupBonding *b, int sig, bool sigcont, Set *s, const c return 0; if (cgroup_suffix) { - p = join(b->path, "/", cgroup_suffix, NULL); + p = strjoin(b->path, "/", cgroup_suffix, NULL); if (!p) return -ENOMEM; @@ -214,13 +216,13 @@ int cgroup_bonding_kill(CGroupBonding *b, int sig, bool sigcont, Set *s, const c } else path = b->path; - r = cg_kill_recursive(b->controller, path, sig, sigcont, true, false, s); + r = cg_kill_recursive(b->controller, path, sig, sigcont, true, rem, s); free(p); return r; } -int cgroup_bonding_kill_list(CGroupBonding *first, int sig, bool sigcont, Set *s, const char *cgroup_suffix) { +int cgroup_bonding_kill_list(CGroupBonding *first, int sig, bool sigcont, bool rem, Set *s, const char *cgroup_suffix) { CGroupBonding *b; Set *allocated_set = NULL; int ret = -EAGAIN, r; @@ -233,7 +235,7 @@ int cgroup_bonding_kill_list(CGroupBonding *first, int sig, bool sigcont, Set *s return -ENOMEM; LIST_FOREACH(by_unit, b, first) { - r = cgroup_bonding_kill(b, sig, sigcont, s, cgroup_suffix); + r = cgroup_bonding_kill(b, sig, sigcont, rem, s, cgroup_suffix); if (r < 0) { if (r == -EAGAIN || r == -ESRCH) continue; @@ -305,12 +307,13 @@ int manager_setup_cgroup(Manager *m) { } /* 1. Determine hierarchy */ - if ((r = cg_get_by_pid(SYSTEMD_CGROUP_CONTROLLER, 0, ¤t)) < 0) { + r = cg_get_by_pid(SYSTEMD_CGROUP_CONTROLLER, 0, ¤t); + if (r < 0) { log_error("Cannot determine cgroup we are running in: %s", strerror(-r)); goto finish; } - if (m->running_as == MANAGER_SYSTEM) + if (m->running_as == SYSTEMD_SYSTEM) strcpy(suffix, "/system"); else { snprintf(suffix, sizeof(suffix), "/systemd-%lu", (unsigned long) getpid()); @@ -327,8 +330,7 @@ int manager_setup_cgroup(Manager *m) { /* We need a new root cgroup */ m->cgroup_hierarchy = NULL; if (asprintf(&m->cgroup_hierarchy, "%s%s", streq(current, "/") ? "" : current, suffix) < 0) { - log_error("Out of memory"); - r = -ENOMEM; + r = log_oom(); goto finish; } } @@ -352,7 +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; } @@ -361,7 +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; @@ -369,6 +373,8 @@ int manager_setup_cgroup(Manager *m) { log_debug("Created root group."); + cg_shorten_controllers(m->default_controllers); + finish: free(current); free(path);