src/test-cgroup.c

   1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
   2
   3 /***
   4   This file is part of systemd.
   5
   6   Copyright 2010 Lennart Poettering
   7
   8   systemd is free software; you can redistribute it and/or modify it
   9   under the terms of the GNU General Public License as published by
  10   the Free Software Foundation; either version 2 of the License, or
  11   (at your option) any later version.
  12
  13   systemd is distributed in the hope that it will be useful, but
  14   WITHOUT ANY WARRANTY; without even the implied warranty of
  15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  16   General Public License for more details.
  17
  18   You should have received a copy of the GNU General Public License
  19   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  20 ***/
  21
  22 #include <unistd.h>
  23 #include <string.h>
  24
  25 #include "cgroup-util.h"
  26 #include "util.h"
  27 #include "log.h"
  28
  29 int main(int argc, char*argv[]) {
  30         char *path;
  31         char *c, *p;
  32
  33         assert_se(cg_create(SYSTEMD_CGROUP_CONTROLLER, "/test-a") == 0);
  34         assert_se(cg_create(SYSTEMD_CGROUP_CONTROLLER, "/test-a") == 0);
  35         assert_se(cg_create(SYSTEMD_CGROUP_CONTROLLER, "/test-b") == 0);
  36         assert_se(cg_create(SYSTEMD_CGROUP_CONTROLLER, "/test-b/test-c") == 0);
  37         assert_se(cg_create_and_attach(SYSTEMD_CGROUP_CONTROLLER, "/test-b", 0) == 0);
  38
  39         assert_se(cg_get_by_pid(SYSTEMD_CGROUP_CONTROLLER, getpid(), &path) == 0);
  40         assert_se(streq(path, "/test-b"));
  41         free(path);
  42
  43         assert_se(cg_attach(SYSTEMD_CGROUP_CONTROLLER, "/test-a", 0) == 0);
  44
  45         assert_se(cg_get_by_pid(SYSTEMD_CGROUP_CONTROLLER, getpid(), &path) == 0);
  46         assert_se(path_equal(path, "/test-a"));
  47         free(path);
  48
  49         assert_se(cg_create_and_attach(SYSTEMD_CGROUP_CONTROLLER, "/test-b/test-d", 0) == 0);
  50
  51         assert_se(cg_get_by_pid(SYSTEMD_CGROUP_CONTROLLER, getpid(), &path) == 0);
  52         assert_se(path_equal(path, "/test-b/test-d"));
  53         free(path);
  54
  55         assert_se(cg_get_path(SYSTEMD_CGROUP_CONTROLLER, "/test-b/test-d", NULL, &path) == 0);
  56         assert_se(path_equal(path, "/sys/fs/cgroup/systemd/test-b/test-d"));
  57         free(path);
  58
  59         assert_se(cg_is_empty(SYSTEMD_CGROUP_CONTROLLER, "/test-a", false) > 0);
  60         assert_se(cg_is_empty(SYSTEMD_CGROUP_CONTROLLER, "/test-b", false) > 0);
  61         assert_se(cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, "/test-a", false) > 0);
  62         assert_se(cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, "/test-b", false) == 0);
  63
  64         assert_se(cg_kill_recursive(SYSTEMD_CGROUP_CONTROLLER, "/test-a", 0, false, false, false, NULL) == 0);
  65         assert_se(cg_kill_recursive(SYSTEMD_CGROUP_CONTROLLER, "/test-b", 0, false, false, false, NULL) > 0);
  66
  67         assert_se(cg_migrate_recursive(SYSTEMD_CGROUP_CONTROLLER, "/test-b", "/test-a", false, false) > 0);
  68
  69         assert_se(cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, "/test-a", false) == 0);
  70         assert_se(cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, "/test-b", false) > 0);
  71
  72         assert_se(cg_kill_recursive(SYSTEMD_CGROUP_CONTROLLER, "/test-a", 0, false, false, false, NULL) > 0);
  73         assert_se(cg_kill_recursive(SYSTEMD_CGROUP_CONTROLLER, "/test-b", 0, false, false, false, NULL) == 0);
  74
  75         cg_trim(SYSTEMD_CGROUP_CONTROLLER, "/", false);
  76
  77         assert_se(cg_delete(SYSTEMD_CGROUP_CONTROLLER, "/test-b") < 0);
  78         assert_se(cg_delete(SYSTEMD_CGROUP_CONTROLLER, "/test-a") >= 0);
  79
  80         assert_se(cg_split_spec("foobar:/", &c, &p) == 0);
  81         assert(streq(c, "foobar"));
  82         assert(streq(p, "/"));
  83         free(c);
  84         free(p);
  85
  86         assert_se(cg_split_spec("foobar:", &c, &p) < 0);
  87         assert_se(cg_split_spec("foobar:asdfd", &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("", &c, &p) < 0);
  91         assert_se(cg_split_spec("fo/obar:/", &c, &p) < 0);
  92
  93         assert_se(cg_split_spec("/", &c, &p) >= 0);
  94         assert(c == NULL);
  95         assert(streq(p, "/"));
  96         free(p);
  97
  98         assert_se(cg_split_spec("foo", &c, &p) >= 0);
  99         assert(streq(c, "foo"));
 100         assert(p == NULL);
 101         free(c);
 102
 103         return 0;
 104 }