Systemd/src/core/mount.h

112 lines
2.9 KiB
C

/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once
/***
This file is part of systemd.
Copyright 2010 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
typedef struct Mount Mount;
#include "kill.h"
#include "dynamic-user.h"
typedef enum MountExecCommand {
MOUNT_EXEC_MOUNT,
MOUNT_EXEC_UNMOUNT,
MOUNT_EXEC_REMOUNT,
_MOUNT_EXEC_COMMAND_MAX,
_MOUNT_EXEC_COMMAND_INVALID = -1
} MountExecCommand;
typedef enum MountResult {
MOUNT_SUCCESS,
MOUNT_FAILURE_RESOURCES,
MOUNT_FAILURE_TIMEOUT,
MOUNT_FAILURE_EXIT_CODE,
MOUNT_FAILURE_SIGNAL,
MOUNT_FAILURE_CORE_DUMP,
MOUNT_FAILURE_START_LIMIT_HIT,
_MOUNT_RESULT_MAX,
_MOUNT_RESULT_INVALID = -1
} MountResult;
typedef struct MountParameters {
char *what;
char *options;
char *fstype;
} MountParameters;
struct Mount {
Unit meta;
char *where;
MountParameters parameters_proc_self_mountinfo;
MountParameters parameters_fragment;
bool from_proc_self_mountinfo:1;
bool from_fragment:1;
/* Used while looking for mount points that vanished or got
* added from/to /proc/self/mountinfo */
bool is_mounted:1;
bool just_mounted:1;
bool just_changed:1;
bool sloppy_options;
bool lazy_unmount;
bool force_unmount;
MountResult result;
MountResult reload_result;
mode_t directory_mode;
usec_t timeout_usec;
ExecCommand exec_command[_MOUNT_EXEC_COMMAND_MAX];
ExecContext exec_context;
KillContext kill_context;
CGroupContext cgroup_context;
ExecRuntime *exec_runtime;
DynamicCreds dynamic_creds;
MountState state, deserialized_state;
ExecCommand* control_command;
MountExecCommand control_command_id;
pid_t control_pid;
sd_event_source *timer_event_source;
unsigned n_retry_umount;
};
extern const UnitVTable mount_vtable;
void mount_fd_event(Manager *m, int events);
const char* mount_exec_command_to_string(MountExecCommand i) _const_;
MountExecCommand mount_exec_command_from_string(const char *s) _pure_;
const char* mount_result_to_string(MountResult i) _const_;
MountResult mount_result_from_string(const char *s) _pure_;