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git.ipfire.org Git - thirdparty/systemd.git/blob - src/test/test-helper.c
fac19b701f3f5e60afdbfc0b08a54755fe0f0ec0
1 /* SPDX-License-Identifier: LGPL-2.1+ */
3 Copyright 2017 Lennart Poettering
6 #include "test-helper.h"
7 #include "random-util.h"
8 #include "alloc-util.h"
9 #include "cgroup-util.h"
11 int enter_cgroup_subroot(void) {
12 _cleanup_free_
char *cgroup_root
= NULL
, *cgroup_subroot
= NULL
;
16 r
= cg_pid_get_path(NULL
, 0, &cgroup_root
);
18 return log_warning_errno(r
, "cg_pid_get_path(NULL, 0, ...) failed: %m");
21 assert_se(asprintf(&cgroup_subroot
, "%s/%" PRIx64
, cgroup_root
, random_u64()) >= 0);
22 assert_se(cg_mask_supported(&supported
) >= 0);
24 /* If this fails, then we don't mind as the later cgroup operations will fail too, and it's fine if we handle
25 * any errors at that point. */
27 r
= cg_create_everywhere(supported
, _CGROUP_MASK_ALL
, cgroup_subroot
);
31 return cg_attach_everywhere(supported
, cgroup_subroot
, 0, NULL
, NULL
);