mirror of
https://github.com/morgan9e/systemd
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90 lines
3.4 KiB
C
90 lines
3.4 KiB
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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#include "cgroup-setup.h"
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#include "cgroup-util.h"
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#include "errno-util.h"
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#include "path-util.h"
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#include "process-util.h"
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#include "string-util.h"
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#include "tests.h"
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TEST(cg_create) {
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int r;
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r = cg_unified_cached(false);
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if (IN_SET(r, -ENOMEDIUM, -ENOENT))
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return (void) log_tests_skipped("cgroupfs is not mounted");
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ASSERT_OK(r);
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_cleanup_free_ char *here = NULL;
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ASSERT_OK(cg_pid_get_path_shifted(0, NULL, &here));
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/* cg_* will use path_simplify(), so use it here too otherwise when running in a container at the
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* root it asserts with "/test-b != //test-b" */
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_cleanup_free_ char *test_a = ASSERT_NOT_NULL(path_simplify(path_join(here, "/test-a"))),
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*test_b = ASSERT_NOT_NULL(path_simplify(path_join(here, "/test-b"))),
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*test_c = ASSERT_NOT_NULL(path_simplify(path_join(here, "/test-b/test-c"))),
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*test_d = ASSERT_NOT_NULL(path_simplify(path_join(here, "/test-b/test-d")));
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char *path;
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log_info("Paths for test:\n%s\n%s", test_a, test_b);
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/* Possibly clean up left-overs from aborted previous runs */
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(void) cg_trim(test_a, /* delete_root= */ true);
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(void) cg_trim(test_b, /* delete_root= */ true);
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r = cg_create(test_a);
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if (ERRNO_IS_NEG_FS_WRITE_REFUSED(r) || r == -ENOENT)
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return (void) log_tests_skipped_errno(r, "%s: Failed to create cgroup %s", __func__, test_a);
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ASSERT_OK_EQ(r, 1);
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ASSERT_OK_ZERO(cg_create(test_a));
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ASSERT_OK_EQ(cg_create(test_b), 1);
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ASSERT_OK_EQ(cg_create(test_c), 1);
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ASSERT_OK_ZERO(cg_create_and_attach(test_b, 0));
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ASSERT_OK_ZERO(cg_pid_get_path(SYSTEMD_CGROUP_CONTROLLER, getpid_cached(), &path));
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ASSERT_STREQ(path, test_b);
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free(path);
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ASSERT_OK_ZERO(cg_attach(test_a, 0));
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ASSERT_OK_ZERO(cg_pid_get_path(SYSTEMD_CGROUP_CONTROLLER, getpid_cached(), &path));
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ASSERT_TRUE(path_equal(path, test_a));
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free(path);
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ASSERT_OK_EQ(cg_create_and_attach(test_d, 0), 1);
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ASSERT_OK_ZERO(cg_pid_get_path(SYSTEMD_CGROUP_CONTROLLER, getpid_cached(), &path));
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ASSERT_TRUE(path_equal(path, test_d));
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free(path);
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ASSERT_OK_ZERO(cg_get_path(SYSTEMD_CGROUP_CONTROLLER, test_d, NULL, &path));
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log_debug("test_d: %s", path);
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const char *full_d;
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if (cg_all_unified())
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full_d = strjoina("/sys/fs/cgroup", test_d);
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else if (cg_hybrid_unified())
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full_d = strjoina("/sys/fs/cgroup/unified", test_d);
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else
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full_d = strjoina("/sys/fs/cgroup/systemd", test_d);
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ASSERT_TRUE(path_equal(path, full_d));
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free(path);
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ASSERT_OK_POSITIVE(cg_is_empty(SYSTEMD_CGROUP_CONTROLLER, test_a));
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ASSERT_OK_ZERO(cg_is_empty(SYSTEMD_CGROUP_CONTROLLER, test_b));
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ASSERT_OK_POSITIVE(cg_is_empty(NULL, test_a));
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ASSERT_OK_POSITIVE(cg_is_empty(NULL, test_b));
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ASSERT_OK_ZERO(cg_kill_recursive(test_a, 0, 0, NULL, NULL, NULL));
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ASSERT_OK_POSITIVE(cg_kill_recursive(test_b, 0, 0, NULL, NULL, NULL));
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ASSERT_OK(cg_trim(test_a, true));
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ASSERT_ERROR(cg_trim(test_b, true), EBUSY);
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ASSERT_OK_ZERO(cg_attach(here, 0));
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ASSERT_OK(cg_trim(test_b, true));
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}
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DEFINE_TEST_MAIN(LOG_DEBUG);
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