github.com/kubiko/snapd@v0.0.0-20201013125620-d4f3094d9ddf/cmd/libsnap-confine-private/cgroup-support.h (about)

     1  /*
     2   * Copyright (C) 2019 Canonical Ltd
     3   *
     4   * This program is free software: you can redistribute it and/or modify
     5   * it under the terms of the GNU General Public License version 3 as
     6   * published by the Free Software Foundation.
     7   *
     8   * This program is distributed in the hope that it will be useful,
     9   * but WITHOUT ANY WARRANTY; without even the implied warranty of
    10   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    11   * GNU General Public License for more details.
    12   *
    13   * You should have received a copy of the GNU General Public License
    14   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
    15   *
    16   */
    17  
    18  #ifndef SC_CGROUP_SUPPORT_H
    19  #define SC_CGROUP_SUPPORT_H
    20  
    21  #include <fcntl.h>
    22  #include <stdbool.h>
    23  
    24  /**
    25   * sc_cgroup_create_and_join joins, perhaps creating, a cgroup hierarchy.
    26   *
    27   * The code assumes that an existing hierarchy rooted at "parent". It follows
    28   * up with a sub-hierarchy called "name", creating it if necessary. The created
    29   * sub-hierarchy is made to belong to root.root and the specified process is
    30   * moved there.
    31   **/
    32  void sc_cgroup_create_and_join(const char *parent, const char *name, pid_t pid);
    33  
    34  /**
    35   * sc_cgroup_is_v2() returns true if running on cgroups v2
    36   *
    37   **/
    38  bool sc_cgroup_is_v2(void);
    39  
    40  #endif