3e29e810ae
That way, if the test directory does not exist we don't leave behind temporary files (as in that case or on test failure the cleanup actions don't run).
121 lines
5.8 KiB
C
121 lines
5.8 KiB
C
/***
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This file is part of systemd.
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Copyright 2013 David Strauss
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <stdio.h>
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#include "macro.h"
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#include "manager.h"
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#include "rm-rf.h"
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#include "test-helper.h"
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#include "tests.h"
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#include "unit.h"
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static int test_cgroup_mask(void) {
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_cleanup_(rm_rf_physical_and_freep) char *runtime_dir = NULL;
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Manager *m = NULL;
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Unit *son, *daughter, *parent, *root, *grandchild, *parent_deep;
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FILE *serial = NULL;
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FDSet *fdset = NULL;
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int r;
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/* Prepare the manager. */
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assert_se(set_unit_path(TEST_DATA_DIR("")) >= 0);
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assert_se(runtime_dir = setup_fake_runtime_dir());
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r = manager_new(UNIT_FILE_USER, true, &m);
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if (r == -EPERM || r == -EACCES) {
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puts("manager_new: Permission denied. Skipping test.");
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return EXIT_TEST_SKIP;
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}
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assert_se(r >= 0);
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/* Turn off all kinds of default accouning, so that we can
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* verify the masks resulting of our configuration and nothing
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* else. */
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m->default_cpu_accounting =
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m->default_memory_accounting =
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m->default_blockio_accounting =
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m->default_io_accounting =
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m->default_tasks_accounting = false;
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m->default_tasks_max = (uint64_t) -1;
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assert_se(r >= 0);
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assert_se(manager_startup(m, serial, fdset) >= 0);
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/* Load units and verify hierarchy. */
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assert_se(manager_load_unit(m, "parent.slice", NULL, NULL, &parent) >= 0);
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assert_se(manager_load_unit(m, "son.service", NULL, NULL, &son) >= 0);
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assert_se(manager_load_unit(m, "daughter.service", NULL, NULL, &daughter) >= 0);
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assert_se(manager_load_unit(m, "grandchild.service", NULL, NULL, &grandchild) >= 0);
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assert_se(manager_load_unit(m, "parent-deep.slice", NULL, NULL, &parent_deep) >= 0);
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assert_se(parent->load_state == UNIT_LOADED);
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assert_se(son->load_state == UNIT_LOADED);
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assert_se(daughter->load_state == UNIT_LOADED);
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assert_se(grandchild->load_state == UNIT_LOADED);
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assert_se(parent_deep->load_state == UNIT_LOADED);
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assert_se(UNIT_DEREF(son->slice) == parent);
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assert_se(UNIT_DEREF(daughter->slice) == parent);
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assert_se(UNIT_DEREF(parent_deep->slice) == parent);
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assert_se(UNIT_DEREF(grandchild->slice) == parent_deep);
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root = UNIT_DEREF(parent->slice);
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/* Verify per-unit cgroups settings. */
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assert_se(unit_get_own_mask(son) == (CGROUP_MASK_CPU | CGROUP_MASK_CPUACCT));
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assert_se(unit_get_own_mask(daughter) == 0);
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assert_se(unit_get_own_mask(grandchild) == 0);
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assert_se(unit_get_own_mask(parent_deep) == CGROUP_MASK_MEMORY);
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assert_se(unit_get_own_mask(parent) == (CGROUP_MASK_IO | CGROUP_MASK_BLKIO));
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assert_se(unit_get_own_mask(root) == 0);
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/* Verify aggregation of member masks */
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assert_se(unit_get_members_mask(son) == 0);
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assert_se(unit_get_members_mask(daughter) == 0);
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assert_se(unit_get_members_mask(grandchild) == 0);
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assert_se(unit_get_members_mask(parent_deep) == 0);
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assert_se(unit_get_members_mask(parent) == (CGROUP_MASK_CPU | CGROUP_MASK_CPUACCT | CGROUP_MASK_MEMORY));
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assert_se(unit_get_members_mask(root) == (CGROUP_MASK_CPU | CGROUP_MASK_CPUACCT | CGROUP_MASK_IO | CGROUP_MASK_BLKIO | CGROUP_MASK_MEMORY));
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/* Verify aggregation of sibling masks. */
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assert_se(unit_get_siblings_mask(son) == (CGROUP_MASK_CPU | CGROUP_MASK_CPUACCT | CGROUP_MASK_MEMORY));
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assert_se(unit_get_siblings_mask(daughter) == (CGROUP_MASK_CPU | CGROUP_MASK_CPUACCT | CGROUP_MASK_MEMORY));
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assert_se(unit_get_siblings_mask(grandchild) == 0);
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assert_se(unit_get_siblings_mask(parent_deep) == (CGROUP_MASK_CPU | CGROUP_MASK_CPUACCT | CGROUP_MASK_MEMORY));
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assert_se(unit_get_siblings_mask(parent) == (CGROUP_MASK_CPU | CGROUP_MASK_CPUACCT | CGROUP_MASK_IO | CGROUP_MASK_BLKIO | CGROUP_MASK_MEMORY));
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assert_se(unit_get_siblings_mask(root) == (CGROUP_MASK_CPU | CGROUP_MASK_CPUACCT | CGROUP_MASK_IO | CGROUP_MASK_BLKIO | CGROUP_MASK_MEMORY));
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/* Verify aggregation of target masks. */
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assert_se(unit_get_target_mask(son) == ((CGROUP_MASK_CPU | CGROUP_MASK_CPUACCT | CGROUP_MASK_MEMORY) & m->cgroup_supported));
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assert_se(unit_get_target_mask(daughter) == ((CGROUP_MASK_CPU | CGROUP_MASK_CPUACCT | CGROUP_MASK_MEMORY) & m->cgroup_supported));
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assert_se(unit_get_target_mask(grandchild) == 0);
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assert_se(unit_get_target_mask(parent_deep) == ((CGROUP_MASK_CPU | CGROUP_MASK_CPUACCT | CGROUP_MASK_MEMORY) & m->cgroup_supported));
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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));
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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));
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manager_free(m);
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return 0;
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}
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int main(int argc, char* argv[]) {
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int rc = 0;
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TEST_REQ_RUNNING_SYSTEMD(rc = test_cgroup_mask());
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return rc;
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}
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