From 2cb7e0aaedad73b076ea18c6900b0e86c5760d79 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 15:00:47 +0200 Subject: Adding upstream version 247.3. Signed-off-by: Daniel Baumann --- src/test/test-cgroup-setup.c | 73 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 src/test/test-cgroup-setup.c (limited to 'src/test/test-cgroup-setup.c') diff --git a/src/test/test-cgroup-setup.c b/src/test/test-cgroup-setup.c new file mode 100644 index 0000000..72726ca --- /dev/null +++ b/src/test/test-cgroup-setup.c @@ -0,0 +1,73 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include + +#include "alloc-util.h" +#include "build.h" +#include "cgroup-setup.h" +#include "errno-util.h" +#include "log.h" +#include "proc-cmdline.h" +#include "string-util.h" +#include "tests.h" + +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_HIERARCHY_); + (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); + + /* cgroup_no_v1=all implies unified cgroup hierarchy, unless otherwise + * explicitly specified. */ + assert_se(setenv("SYSTEMD_PROC_CMDLINE", + "cgroup_no_v1=all", 1) >= 0); + test_is_wanted_print(false); + + assert_se(setenv("SYSTEMD_PROC_CMDLINE", + "cgroup_no_v1=all " + "systemd.unified_cgroup_hierarchy=0", 1) >= 0); + test_is_wanted_print(false); +} + +int main(void) { + test_setup_logging(LOG_DEBUG); + + if (access("/proc/cmdline", R_OK) < 0 && ERRNO_IS_PRIVILEGE(errno)) + return log_tests_skipped("can't read /proc/cmdline"); + + test_is_wanted_print(true); + test_is_wanted_print(false); /* run twice to test caching */ + test_is_wanted(); + + return 0; +} -- cgit v1.2.3