src/test/test-cgroup.c

   1 /***
   2   This file is part of systemd.
   3
   4   Copyright 2010 Lennart Poettering
   5
   6   systemd is free software; you can redistribute it and/or modify it
   7   under the terms of the GNU Lesser General Public License as published by
   8   the Free Software Foundation; either version 2.1 of the License, or
   9   (at your option) any later version.
  10
  11   systemd is distributed in the hope that it will be useful, but
  12   WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14   Lesser General Public License for more details.
  15
  16   You should have received a copy of the GNU Lesser General Public License
  17   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  18 ***/
  19
  20 #include <string.h>
  21 #include <unistd.h>
  22
  23 #include "cgroup-util.h"
  24 #include "path-util.h"
  25 #include "string-util.h"
  26 #include "util.h"
  27
  28 int main(int argc, char*argv[]) {
  29         char *path;
  30         char *c, *p;
  31
  32         assert_se(cg_create(SYSTEMD_CGROUP_CONTROLLER, "/test-a") == 0);
  33         assert_se(cg_create(SYSTEMD_CGROUP_CONTROLLER, "/test-a") == 0);
  34         assert_se(cg_create(SYSTEMD_CGROUP_CONTROLLER, "/test-b") == 0);
  35         assert_se(cg_create(SYSTEMD_CGROUP_CONTROLLER, "/test-b/test-c") == 0);
  36         assert_se(cg_create_and_attach(SYSTEMD_CGROUP_CONTROLLER, "/test-b", 0) == 0);
  37
  38         assert_se(cg_pid_get_path(SYSTEMD_CGROUP_CONTROLLER, getpid(), &path) == 0);
  39         assert_se(streq(path, "/test-b"));
  40         free(path);
  41
  42         assert_se(cg_attach(SYSTEMD_CGROUP_CONTROLLER, "/test-a", 0) == 0);
  43
  44         assert_se(cg_pid_get_path(SYSTEMD_CGROUP_CONTROLLER, getpid(), &path) == 0);
  45         assert_se(path_equal(path, "/test-a"));
  46         free(path);
  47
  48         assert_se(cg_create_and_attach(SYSTEMD_CGROUP_CONTROLLER, "/test-b/test-d", 0) == 0);
  49
  50         assert_se(cg_pid_get_path(SYSTEMD_CGROUP_CONTROLLER, getpid(), &path) == 0);
  51         assert_se(path_equal(path, "/test-b/test-d"));
  52         free(path);
  53
  54         assert_se(cg_get_path(SYSTEMD_CGROUP_CONTROLLER, "/test-b/test-d", NULL, &path) == 0);
  55         assert_se(path_equal(path, "/sys/fs/cgroup/systemd/test-b/test-d"));
  56         free(path);
  57
  58         assert_se(cg_is_empty(SYSTEMD_CGROUP_CONTROLLER, "/test-a") > 0);
  59         assert_se(cg_is_empty(SYSTEMD_CGROUP_CONTROLLER, "/test-b") > 0);
  60         assert_se(cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, "/test-a") > 0);
  61         assert_se(cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, "/test-b") == 0);
  62
  63         assert_se(cg_kill_recursive(SYSTEMD_CGROUP_CONTROLLER, "/test-a", 0, 0, NULL, NULL, NULL) == 0);
  64         assert_se(cg_kill_recursive(SYSTEMD_CGROUP_CONTROLLER, "/test-b", 0, 0, NULL, NULL, NULL) > 0);
  65
  66         assert_se(cg_migrate_recursive(SYSTEMD_CGROUP_CONTROLLER, "/test-b", SYSTEMD_CGROUP_CONTROLLER, "/test-a", 0) > 0);
  67
  68         assert_se(cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, "/test-a") == 0);
  69         assert_se(cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, "/test-b") > 0);
  70
  71         assert_se(cg_kill_recursive(SYSTEMD_CGROUP_CONTROLLER, "/test-a", 0, 0, NULL, NULL, NULL) > 0);
  72         assert_se(cg_kill_recursive(SYSTEMD_CGROUP_CONTROLLER, "/test-b", 0, 0, NULL, NULL, NULL) == 0);
  73
  74         cg_trim(SYSTEMD_CGROUP_CONTROLLER, "/", false);
  75
  76         assert_se(cg_rmdir(SYSTEMD_CGROUP_CONTROLLER, "/test-b") < 0);
  77         assert_se(cg_rmdir(SYSTEMD_CGROUP_CONTROLLER, "/test-a") >= 0);
  78
  79         assert_se(cg_split_spec("foobar:/", &c, &p) == 0);
  80         assert_se(streq(c, "foobar"));
  81         assert_se(streq(p, "/"));
  82         free(c);
  83         free(p);
  84
  85         assert_se(cg_split_spec("foobar:", &c, &p) < 0);
  86         assert_se(cg_split_spec("foobar:asdfd", &c, &p) < 0);
  87         assert_se(cg_split_spec(":///", &c, &p) < 0);
  88         assert_se(cg_split_spec(":", &c, &p) < 0);
  89         assert_se(cg_split_spec("", &c, &p) < 0);
  90         assert_se(cg_split_spec("fo/obar:/", &c, &p) < 0);
  91
  92         assert_se(cg_split_spec("/", &c, &p) >= 0);
  93         assert_se(c == NULL);
  94         assert_se(streq(p, "/"));
  95         free(p);
  96
  97         assert_se(cg_split_spec("foo", &c, &p) >= 0);
  98         assert_se(streq(c, "foo"));
  99         assert_se(p == NULL);
 100         free(c);
 101
 102         return 0;
 103 }