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db9ecf05 | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
8c6db833 | 2 | |
07630cea | 3 | #include <unistd.h> |
8c6db833 | 4 | |
fdb3deca | 5 | #include "cgroup-setup.h" |
8c6db833 | 6 | #include "cgroup-util.h" |
67da3323 | 7 | #include "errno-util.h" |
9eb977db | 8 | #include "path-util.h" |
dccca82b | 9 | #include "process-util.h" |
07630cea | 10 | #include "string-util.h" |
b35e9974 | 11 | #include "tests.h" |
8c6db833 | 12 | |
4f7452a8 | 13 | TEST(cg_split_spec) { |
35d2e7ec | 14 | char *c, *p; |
8c6db833 | 15 | |
b35e9974 ZJS |
16 | assert_se(cg_split_spec("foobar:/", &c, &p) == 0); |
17 | assert_se(streq(c, "foobar")); | |
18 | assert_se(streq(p, "/")); | |
19 | c = mfree(c); | |
20 | p = mfree(p); | |
21 | ||
22 | assert_se(cg_split_spec("foobar:", &c, &p) == 0); | |
1c132196 ZJS |
23 | c = mfree(c); |
24 | p = mfree(p); | |
25 | ||
b35e9974 ZJS |
26 | assert_se(cg_split_spec("foobar:asdfd", &c, &p) < 0); |
27 | assert_se(cg_split_spec(":///", &c, &p) < 0); | |
28 | assert_se(cg_split_spec(":", &c, &p) < 0); | |
29 | assert_se(cg_split_spec("", &c, &p) < 0); | |
30 | assert_se(cg_split_spec("fo/obar:/", &c, &p) < 0); | |
31 | ||
32 | assert_se(cg_split_spec("/", &c, &p) >= 0); | |
33 | assert_se(c == NULL); | |
34 | assert_se(streq(p, "/")); | |
35 | p = mfree(p); | |
36 | ||
37 | assert_se(cg_split_spec("foo", &c, &p) >= 0); | |
38 | assert_se(streq(c, "foo")); | |
39 | assert_se(p == NULL); | |
40 | c = mfree(c); | |
41 | } | |
42 | ||
4f7452a8 | 43 | TEST(cg_create) { |
af5654d3 DS |
44 | int r; |
45 | ||
46 | r = cg_unified_cached(false); | |
a412a1b9 DDM |
47 | if (IN_SET(r, -ENOMEDIUM, -ENOENT)) { |
48 | log_tests_skipped("cgroupfs is not mounted"); | |
af5654d3 DS |
49 | return; |
50 | } | |
b66789a9 | 51 | assert_se(r >= 0); |
67da3323 ZJS |
52 | |
53 | _cleanup_free_ char *here = NULL; | |
54 | assert_se(cg_pid_get_path_shifted(0, NULL, &here) >= 0); | |
55 | ||
56 | const char *test_a = prefix_roota(here, "/test-a"), | |
57 | *test_b = prefix_roota(here, "/test-b"), | |
58 | *test_c = prefix_roota(here, "/test-b/test-c"), | |
59 | *test_d = prefix_roota(here, "/test-b/test-d"); | |
b35e9974 ZJS |
60 | char *path; |
61 | ||
67da3323 ZJS |
62 | log_info("Paths for test:\n%s\n%s", test_a, test_b); |
63 | ||
d0547385 LP |
64 | /* Possibly clean up left-overs from aboted previous runs */ |
65 | (void) cg_trim(SYSTEMD_CGROUP_CONTROLLER, test_a, /* delete_root= */ true); | |
66 | (void) cg_trim(SYSTEMD_CGROUP_CONTROLLER, test_b, /* delete_root= */ true); | |
67 | ||
67da3323 ZJS |
68 | r = cg_create(SYSTEMD_CGROUP_CONTROLLER, test_a); |
69 | if (IN_SET(r, -EPERM, -EACCES, -EROFS)) { | |
70 | log_info_errno(r, "Skipping %s: %m", __func__); | |
71 | return; | |
72 | } | |
b35e9974 | 73 | |
67da3323 ZJS |
74 | assert_se(r == 1); |
75 | assert_se(cg_create(SYSTEMD_CGROUP_CONTROLLER, test_a) == 0); | |
76 | assert_se(cg_create(SYSTEMD_CGROUP_CONTROLLER, test_b) == 1); | |
77 | assert_se(cg_create(SYSTEMD_CGROUP_CONTROLLER, test_c) == 1); | |
78 | assert_se(cg_create_and_attach(SYSTEMD_CGROUP_CONTROLLER, test_b, 0) == 0); | |
8c6db833 | 79 | |
df0ff127 | 80 | assert_se(cg_pid_get_path(SYSTEMD_CGROUP_CONTROLLER, getpid_cached(), &path) == 0); |
67da3323 | 81 | assert_se(streq(path, test_b)); |
8c6db833 LP |
82 | free(path); |
83 | ||
67da3323 | 84 | assert_se(cg_attach(SYSTEMD_CGROUP_CONTROLLER, test_a, 0) == 0); |
8c6db833 | 85 | |
df0ff127 | 86 | assert_se(cg_pid_get_path(SYSTEMD_CGROUP_CONTROLLER, getpid_cached(), &path) == 0); |
67da3323 | 87 | assert_se(path_equal(path, test_a)); |
8c6db833 LP |
88 | free(path); |
89 | ||
67da3323 | 90 | assert_se(cg_create_and_attach(SYSTEMD_CGROUP_CONTROLLER, test_d, 0) == 1); |
8c6db833 | 91 | |
df0ff127 | 92 | assert_se(cg_pid_get_path(SYSTEMD_CGROUP_CONTROLLER, getpid_cached(), &path) == 0); |
67da3323 | 93 | assert_se(path_equal(path, test_d)); |
8c6db833 LP |
94 | free(path); |
95 | ||
67da3323 ZJS |
96 | assert_se(cg_get_path(SYSTEMD_CGROUP_CONTROLLER, test_d, NULL, &path) == 0); |
97 | log_debug("test_d: %s", path); | |
98 | const char *full_d; | |
99 | if (cg_all_unified()) | |
100 | full_d = strjoina("/sys/fs/cgroup", test_d); | |
101 | else if (cg_hybrid_unified()) | |
102 | full_d = strjoina("/sys/fs/cgroup/unified", test_d); | |
103 | else | |
104 | full_d = strjoina("/sys/fs/cgroup/systemd", test_d); | |
105 | assert_se(path_equal(path, full_d)); | |
8c6db833 LP |
106 | free(path); |
107 | ||
67da3323 ZJS |
108 | assert_se(cg_is_empty(SYSTEMD_CGROUP_CONTROLLER, test_a) > 0); |
109 | assert_se(cg_is_empty(SYSTEMD_CGROUP_CONTROLLER, test_b) > 0); | |
110 | assert_se(cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, test_a) > 0); | |
111 | assert_se(cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, test_b) == 0); | |
8c6db833 | 112 | |
bd1791b5 LP |
113 | assert_se(cg_kill_recursive(test_a, 0, 0, NULL, NULL, NULL) == 0); |
114 | assert_se(cg_kill_recursive(test_b, 0, 0, NULL, NULL, NULL) > 0); | |
8c6db833 | 115 | |
67da3323 | 116 | assert_se(cg_migrate_recursive(SYSTEMD_CGROUP_CONTROLLER, test_b, SYSTEMD_CGROUP_CONTROLLER, test_a, 0) > 0); |
8c6db833 | 117 | |
67da3323 ZJS |
118 | assert_se(cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, test_a) == 0); |
119 | assert_se(cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, test_b) > 0); | |
8c6db833 | 120 | |
bd1791b5 LP |
121 | assert_se(cg_kill_recursive(test_a, 0, 0, NULL, NULL, NULL) > 0); |
122 | assert_se(cg_kill_recursive(test_b, 0, 0, NULL, NULL, NULL) == 0); | |
8c6db833 | 123 | |
bd1791b5 | 124 | (void) cg_trim(SYSTEMD_CGROUP_CONTROLLER, test_b, false); |
8c6db833 | 125 | |
67da3323 ZJS |
126 | assert_se(cg_rmdir(SYSTEMD_CGROUP_CONTROLLER, test_b) == 0); |
127 | assert_se(cg_rmdir(SYSTEMD_CGROUP_CONTROLLER, test_a) < 0); | |
128 | assert_se(cg_migrate_recursive(SYSTEMD_CGROUP_CONTROLLER, test_a, SYSTEMD_CGROUP_CONTROLLER, here, 0) > 0); | |
129 | assert_se(cg_rmdir(SYSTEMD_CGROUP_CONTROLLER, test_a) == 0); | |
b35e9974 | 130 | } |
35d2e7ec | 131 | |
4f7452a8 | 132 | DEFINE_TEST_MAIN(LOG_DEBUG); |