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