X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=cgroup.c;h=565ce24ce18725159b9763d2e15f558cdbfb6f49;hp=9e1b0de379a2f4d29de4aeef5753461eba0ed2e8;hb=c9106f61d0755dc6b8aa7c4252baa140c2d473f1;hpb=58783cdaec345e9a34c2ed2218fe4670d1d0dce5 diff --git a/cgroup.c b/cgroup.c index 9e1b0de37..565ce24ce 100644 --- a/cgroup.c +++ b/cgroup.c @@ -118,17 +118,15 @@ void cgroup_bonding_free(CGroupBonding *b) { hashmap_remove(b->unit->meta.manager->cgroup_bondings, b->path); } - free(b->controller); - free(b->path); - if (b->cgroup) { - - if (b->only_us && b->clean_up) - cgroup_delete_cgroup(b->cgroup, true); + if (b->only_us && b->clean_up && cgroup_bonding_is_empty(b) > 0) + cgroup_delete_cgroup_ext(b->cgroup, true); cgroup_free(&b->cgroup); } + free(b->controller); + free(b->path); free(b); } @@ -174,13 +172,19 @@ int cgroup_bonding_kill(CGroupBonding *b, int sig) { int r; Set *s; bool done; + bool killed = false; assert(b); assert(sig > 0); + if (!b->only_us) + return -EAGAIN; + if (!(s = set_new(trivial_hash_func, trivial_compare_func))) return -ENOMEM; + log_debug("Killing processes from process group %s:%s", b->controller, b->path); + do { void *iterator; pid_t pid; @@ -208,6 +212,7 @@ int cgroup_bonding_kill(CGroupBonding *b, int sig) { break; } + killed = true; done = false; if ((r = set_put(s, INT_TO_PTR(pid))) < 0) @@ -235,20 +240,29 @@ int cgroup_bonding_kill(CGroupBonding *b, int sig) { } while (!done && r >= 0); set_free(s); - return r; + + if (r < 0) + return r; + + return killed ? 0 : -ESRCH; } int cgroup_bonding_kill_list(CGroupBonding *first, int sig) { CGroupBonding *b; + int r = -EAGAIN; LIST_FOREACH(by_unit, b, first) { - int r; + if ((r = cgroup_bonding_kill(b, sig)) < 0) { + if (r == -EAGAIN || -ESRCH) + continue; - if ((r = cgroup_bonding_kill(b, sig)) < 0) return r; + } + + return 0; } - return 0; + return r; } /* Returns 1 if the group is empty, 0 if it is not, -EAGAIN if we @@ -524,3 +538,14 @@ CGroupBonding *cgroup_bonding_find_list(CGroupBonding *first, const char *contro return NULL; } + +char *cgroup_bonding_to_string(CGroupBonding *b) { + char *r; + + assert(b); + + if (asprintf(&r, "%s:%s", b->controller, b->path) < 0) + return NULL; + + return r; +}