-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
+/* SPDX-License-Identifier: LGPL-2.1+ */
/***
This file is part of systemd.
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
-
-#include "util.h"
+#include "alloc-util.h"
+#include "build.h"
#include "cgroup-util.h"
-#include "test-helper.h"
-#include "formats-util.h"
+#include "dirent-util.h"
+#include "fd-util.h"
+#include "format-util.h"
+#include "parse-util.h"
+#include "proc-cmdline.h"
#include "process-util.h"
+#include "stat-util.h"
+#include "string-util.h"
+#include "test-helper.h"
+#include "user-util.h"
+#include "util.h"
static void check_p_d_u(const char *path, int code, const char *result) {
_cleanup_free_ char *unit = NULL;
pid_t pid;
uid_t uid = UID_INVALID;
- if (de->d_type != DT_DIR &&
- de->d_type != DT_UNKNOWN)
+ if (!IN_SET(de->d_type, DT_DIR, DT_UNKNOWN))
continue;
r = parse_pid(de->d_name, &pid);
test_shift_path_one("/foobar/waldo", "/fuckfuck", "/foobar/waldo");
}
+static void test_mask_supported(void) {
+
+ CGroupMask m;
+ CGroupController c;
+
+ assert_se(cg_mask_supported(&m) >= 0);
+
+ for (c = 0; c < _CGROUP_CONTROLLER_MAX; c++)
+ printf("'%s' is supported: %s\n", cgroup_controller_to_string(c), yes_no(m & CGROUP_CONTROLLER_TO_MASK(c)));
+}
+
+static void test_is_cgroup_fs(void) {
+ struct statfs sfs;
+ assert_se(statfs("/sys/fs/cgroup", &sfs) == 0);
+ if (is_temporary_fs(&sfs))
+ assert_se(statfs("/sys/fs/cgroup/systemd", &sfs) == 0);
+ assert_se(is_cgroup_fs(&sfs));
+}
+
+static void test_fd_is_cgroup_fs(void) {
+ int fd;
+
+ fd = open("/sys/fs/cgroup", O_RDONLY|O_DIRECTORY|O_CLOEXEC|O_NOFOLLOW);
+ assert_se(fd >= 0);
+ if (fd_is_temporary_fs(fd)) {
+ fd = safe_close(fd);
+ fd = open("/sys/fs/cgroup/systemd", O_RDONLY|O_DIRECTORY|O_CLOEXEC|O_NOFOLLOW);
+ assert_se(fd >= 0);
+ }
+ assert_se(fd_is_cgroup_fs(fd));
+ fd = safe_close(fd);
+}
+
+static void test_is_wanted_print(bool header) {
+ _cleanup_free_ char *cmdline = NULL;
+
+ log_info("-- %s --", __func__);
+ assert_se(proc_cmdline(&cmdline) >= 0);
+ log_info("cmdline: %s", cmdline);
+ if (header) {
+
+ log_info(_CGROUP_HIEARCHY_);
+ (void) system("findmnt -n /sys/fs/cgroup");
+ }
+
+ log_info("is_unified_wanted() → %s", yes_no(cg_is_unified_wanted()));
+ log_info("is_hybrid_wanted() → %s", yes_no(cg_is_hybrid_wanted()));
+ log_info("is_legacy_wanted() → %s", yes_no(cg_is_legacy_wanted()));
+ log_info(" ");
+}
+
+static void test_is_wanted(void) {
+ assert_se(setenv("SYSTEMD_PROC_CMDLINE",
+ "systemd.unified_cgroup_hierarchy", 1) >= 0);
+ test_is_wanted_print(false);
+
+ assert_se(setenv("SYSTEMD_PROC_CMDLINE",
+ "systemd.unified_cgroup_hierarchy=0", 1) >= 0);
+ test_is_wanted_print(false);
+
+ assert_se(setenv("SYSTEMD_PROC_CMDLINE",
+ "systemd.unified_cgroup_hierarchy=0 "
+ "systemd.legacy_systemd_cgroup_controller", 1) >= 0);
+ test_is_wanted_print(false);
+
+ assert_se(setenv("SYSTEMD_PROC_CMDLINE",
+ "systemd.unified_cgroup_hierarchy=0 "
+ "systemd.legacy_systemd_cgroup_controller=0", 1) >= 0);
+ test_is_wanted_print(false);
+}
+
+static void test_cg_tests(void) {
+ int all, hybrid, systemd, r;
+
+ r = cg_unified_flush();
+ if (r == -ENOMEDIUM) {
+ log_notice_errno(r, "Skipping cg hierarchy tests: %m");
+ return;
+ }
+ assert_se(r == 0);
+
+ all = cg_all_unified();
+ assert_se(IN_SET(all, 0, 1));
+
+ hybrid = cg_hybrid_unified();
+ assert_se(IN_SET(hybrid, 0, 1));
+
+ systemd = cg_unified_controller(SYSTEMD_CGROUP_CONTROLLER);
+ assert_se(IN_SET(systemd, 0, 1));
+
+ if (all) {
+ assert_se(systemd);
+ assert_se(!hybrid);
+
+ } else if (hybrid) {
+ assert_se(systemd);
+ assert_se(!all);
+
+ } else
+ assert_se(!systemd);
+}
+
int main(void) {
+ log_set_max_level(LOG_DEBUG);
+ log_parse_environment();
+ log_open();
+
test_path_decode_unit();
test_path_get_unit();
test_path_get_user_unit();
test_controller_is_valid();
test_slice_to_path();
test_shift_path();
+ TEST_REQ_RUNNING_SYSTEMD(test_mask_supported());
+ TEST_REQ_RUNNING_SYSTEMD(test_is_cgroup_fs());
+ TEST_REQ_RUNNING_SYSTEMD(test_fd_is_cgroup_fs());
+ test_is_wanted_print(true);
+ test_is_wanted_print(false); /* run twice to test caching */
+ test_is_wanted();
+ test_cg_tests();
return 0;
}