/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ /*** This file is part of systemd. Copyright 2013 David Strauss systemd is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see <http://www.gnu.org/licenses/>. ***/ #include <stdio.h> #include <stdlib.h> #include <string.h> #include <sys/types.h> #include <pwd.h> #include "manager.h" #include "unit.h" #include "util.h" #include "macro.h" #include "test-helper.h" static int test_cgroup_mask(void) { Manager *m; Unit *son, *daughter, *parent, *root; FILE *serial = NULL; FDSet *fdset = NULL; int r; const char *dir = TEST_DIR; /* Prepare the manager. */ assert_se(set_unit_path(dir) >= 0); r = manager_new(SYSTEMD_USER, &m); if (r == -EPERM || r == -EACCES) { puts("manager_new: Permission denied. Skipping test."); return EXIT_TEST_SKIP; } assert(r >= 0); assert_se(manager_startup(m, serial, fdset) >= 0); /* Load units and verify hierarchy. */ assert_se(manager_load_unit(m, "parent.slice", NULL, NULL, &parent) >= 0); assert_se(manager_load_unit(m, "son.service", NULL, NULL, &son) >= 0); assert_se(manager_load_unit(m, "daughter.service", NULL, NULL, &daughter) >= 0); assert(parent->load_state == UNIT_LOADED); assert(son->load_state == UNIT_LOADED); assert(daughter->load_state == UNIT_LOADED); assert(UNIT_DEREF(son->slice) == parent); assert(UNIT_DEREF(daughter->slice) == parent); root = UNIT_DEREF(parent->slice); /* Verify per-unit cgroups settings. */ assert(cgroup_context_get_mask(unit_get_cgroup_context(son)) == (CGROUP_CPU | CGROUP_CPUACCT)); assert(cgroup_context_get_mask(unit_get_cgroup_context(daughter)) == 0); assert(cgroup_context_get_mask(unit_get_cgroup_context(parent)) == CGROUP_BLKIO); assert(cgroup_context_get_mask(unit_get_cgroup_context(root)) == 0); /* Verify aggregation of controller masks. */ assert(son->cgroup_members_mask == (CGROUP_CPU | CGROUP_CPUACCT)); assert(daughter->cgroup_members_mask == 0); assert(parent->cgroup_members_mask == (CGROUP_CPU | CGROUP_CPUACCT | CGROUP_BLKIO)); assert(root->cgroup_members_mask == (CGROUP_CPU | CGROUP_CPUACCT | CGROUP_BLKIO)); manager_free(m); return 0; } int main(int argc, char* argv[]) { int rc = 0; TEST_REQ_RUNNING_SYSTEMD(rc = test_cgroup_mask()); return rc; }