/*** 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 "macro.h" #include "manager.h" #include "rm-rf.h" #include "test-helper.h" #include "tests.h" #include "unit.h" static int test_cgroup_mask(void) { Manager *m = NULL; Unit *son, *daughter, *parent, *root, *grandchild, *parent_deep; FILE *serial = NULL; FDSet *fdset = NULL; int r; /* Prepare the manager. */ assert_se(set_unit_path(TEST_DIR) >= 0); r = manager_new(UNIT_FILE_USER, true, &m); if (r == -EPERM || r == -EACCES) { puts("manager_new: Permission denied. Skipping test."); return EXIT_TEST_SKIP; } assert_se(r >= 0); /* Turn off all kinds of default accouning, so that we can * verify the masks resulting of our configuration and nothing * else. */ m->default_cpu_accounting = m->default_memory_accounting = m->default_blockio_accounting = m->default_io_accounting = m->default_tasks_accounting = false; m->default_tasks_max = (uint64_t) -1; assert_se(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_se(manager_load_unit(m, "grandchild.service", NULL, NULL, &grandchild) >= 0); assert_se(manager_load_unit(m, "parent-deep.slice", NULL, NULL, &parent_deep) >= 0); assert_se(parent->load_state == UNIT_LOADED); assert_se(son->load_state == UNIT_LOADED); assert_se(daughter->load_state == UNIT_LOADED); assert_se(grandchild->load_state == UNIT_LOADED); assert_se(parent_deep->load_state == UNIT_LOADED); assert_se(UNIT_DEREF(son->slice) == parent); assert_se(UNIT_DEREF(daughter->slice) == parent); assert_se(UNIT_DEREF(parent_deep->slice) == parent); assert_se(UNIT_DEREF(grandchild->slice) == parent_deep); root = UNIT_DEREF(parent->slice); /* Verify per-unit cgroups settings. */ assert_se(unit_get_own_mask(son) == (CGROUP_MASK_CPU | CGROUP_MASK_CPUACCT)); assert_se(unit_get_own_mask(daughter) == 0); assert_se(unit_get_own_mask(grandchild) == 0); assert_se(unit_get_own_mask(parent_deep) == CGROUP_MASK_MEMORY); assert_se(unit_get_own_mask(parent) == (CGROUP_MASK_IO | CGROUP_MASK_BLKIO)); assert_se(unit_get_own_mask(root) == 0); /* Verify aggregation of member masks */ assert_se(unit_get_members_mask(son) == 0); assert_se(unit_get_members_mask(daughter) == 0); assert_se(unit_get_members_mask(grandchild) == 0); assert_se(unit_get_members_mask(parent_deep) == 0); assert_se(unit_get_members_mask(parent) == (CGROUP_MASK_CPU | CGROUP_MASK_CPUACCT | CGROUP_MASK_MEMORY)); assert_se(unit_get_members_mask(root) == (CGROUP_MASK_CPU | CGROUP_MASK_CPUACCT | CGROUP_MASK_IO | CGROUP_MASK_BLKIO | CGROUP_MASK_MEMORY)); /* Verify aggregation of sibling masks. */ assert_se(unit_get_siblings_mask(son) == (CGROUP_MASK_CPU | CGROUP_MASK_CPUACCT | CGROUP_MASK_MEMORY)); assert_se(unit_get_siblings_mask(daughter) == (CGROUP_MASK_CPU | CGROUP_MASK_CPUACCT | CGROUP_MASK_MEMORY)); assert_se(unit_get_siblings_mask(grandchild) == 0); assert_se(unit_get_siblings_mask(parent_deep) == (CGROUP_MASK_CPU | CGROUP_MASK_CPUACCT | CGROUP_MASK_MEMORY)); assert_se(unit_get_siblings_mask(parent) == (CGROUP_MASK_CPU | CGROUP_MASK_CPUACCT | CGROUP_MASK_IO | CGROUP_MASK_BLKIO | CGROUP_MASK_MEMORY)); assert_se(unit_get_siblings_mask(root) == (CGROUP_MASK_CPU | CGROUP_MASK_CPUACCT | CGROUP_MASK_IO | CGROUP_MASK_BLKIO | CGROUP_MASK_MEMORY)); /* Verify aggregation of target masks. */ assert_se(unit_get_target_mask(son) == ((CGROUP_MASK_CPU | CGROUP_MASK_CPUACCT | CGROUP_MASK_MEMORY) & m->cgroup_supported)); assert_se(unit_get_target_mask(daughter) == ((CGROUP_MASK_CPU | CGROUP_MASK_CPUACCT | CGROUP_MASK_MEMORY) & m->cgroup_supported)); assert_se(unit_get_target_mask(grandchild) == 0); assert_se(unit_get_target_mask(parent_deep) == ((CGROUP_MASK_CPU | CGROUP_MASK_CPUACCT | CGROUP_MASK_MEMORY) & m->cgroup_supported)); assert_se(unit_get_target_mask(parent) == ((CGROUP_MASK_CPU | CGROUP_MASK_CPUACCT | CGROUP_MASK_IO | CGROUP_MASK_BLKIO | CGROUP_MASK_MEMORY) & m->cgroup_supported)); assert_se(unit_get_target_mask(root) == ((CGROUP_MASK_CPU | CGROUP_MASK_CPUACCT | CGROUP_MASK_IO | CGROUP_MASK_BLKIO | CGROUP_MASK_MEMORY) & m->cgroup_supported)); manager_free(m); return 0; } int main(int argc, char* argv[]) { _cleanup_(rm_rf_physical_and_freep) char *runtime_dir = NULL; int rc = 0; assert_se(runtime_dir = setup_fake_runtime_dir()); TEST_REQ_RUNNING_SYSTEMD(rc = test_cgroup_mask()); return rc; }