summaryrefslogtreecommitdiffstats
path: root/vendor/rustix/src/mount/mount_unmount.rs
blob: ebb517332824666a57d0af9131ecf152b07758e6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
//! Linux `mount`.

use crate::backend::mount::types::{
    InternalMountFlags, MountFlags, MountFlagsArg, MountPropagationFlags, UnmountFlags,
};
use crate::{backend, io, path};

/// `mount(source, target, filesystemtype, mountflags, data)`
///
/// # References
///  - [Linux]
///
/// [Linux]: https://man7.org/linux/man-pages/man2/mount.2.html
#[inline]
pub fn mount<Source: path::Arg, Target: path::Arg, Fs: path::Arg, Data: path::Arg>(
    source: Source,
    target: Target,
    file_system_type: Fs,
    flags: MountFlags,
    data: Data,
) -> io::Result<()> {
    source.into_with_c_str(|source| {
        target.into_with_c_str(|target| {
            file_system_type.into_with_c_str(|file_system_type| {
                data.into_with_c_str(|data| {
                    backend::mount::syscalls::mount(
                        Some(source),
                        target,
                        Some(file_system_type),
                        MountFlagsArg(flags.bits()),
                        Some(data),
                    )
                })
            })
        })
    })
}

/// `mount(NULL, target, NULL, MS_REMOUNT | mountflags, data)`
///
/// # References
///  - [Linux]
///
/// [Linux]: https://man7.org/linux/man-pages/man2/mount.2.html
#[inline]
#[doc(alias = "mount")]
#[doc(alias = "MS_REMOUNT")]
pub fn mount_remount<Target: path::Arg, Data: path::Arg>(
    target: Target,
    flags: MountFlags,
    data: Data,
) -> io::Result<()> {
    target.into_with_c_str(|target| {
        data.into_with_c_str(|data| {
            backend::mount::syscalls::mount(
                None,
                target,
                None,
                MountFlagsArg(InternalMountFlags::REMOUNT.bits() | flags.bits()),
                Some(data),
            )
        })
    })
}

/// `mount(source, target, NULL, MS_BIND, NULL)`
///
/// # References
///  - [Linux]
///
/// [Linux]: https://man7.org/linux/man-pages/man2/mount.2.html
#[inline]
#[doc(alias = "mount")]
#[doc(alias = "MS_BIND")]
pub fn mount_bind<Source: path::Arg, Target: path::Arg>(
    source: Source,
    target: Target,
) -> io::Result<()> {
    source.into_with_c_str(|source| {
        target.into_with_c_str(|target| {
            backend::mount::syscalls::mount(
                Some(source),
                target,
                None,
                MountFlagsArg(MountFlags::BIND.bits()),
                None,
            )
        })
    })
}

/// `mount(source, target, NULL, MS_BIND | MS_REC, NULL)`
///
/// # References
///  - [Linux]
///
/// [Linux]: https://man7.org/linux/man-pages/man2/mount.2.html
#[inline]
#[doc(alias = "mount")]
#[doc(alias = "MS_REC")]
pub fn mount_recursive_bind<Source: path::Arg, Target: path::Arg>(
    source: Source,
    target: Target,
) -> io::Result<()> {
    source.into_with_c_str(|source| {
        target.into_with_c_str(|target| {
            backend::mount::syscalls::mount(
                Some(source),
                target,
                None,
                MountFlagsArg(MountFlags::BIND.bits() | MountPropagationFlags::REC.bits()),
                None,
            )
        })
    })
}

/// `mount(NULL, target, NULL, mountflags, NULL)`
///
/// # References
///  - [Linux]
///
/// [Linux]: https://man7.org/linux/man-pages/man2/mount.2.html
#[inline]
#[doc(alias = "mount")]
pub fn mount_change<Target: path::Arg>(
    target: Target,
    flags: MountPropagationFlags,
) -> io::Result<()> {
    target.into_with_c_str(|target| {
        backend::mount::syscalls::mount(None, target, None, MountFlagsArg(flags.bits()), None)
    })
}

/// `mount(source, target, NULL, MS_MOVE, NULL)`
///
/// This is not the same as the `move_mount` syscall. If you want to use that,
/// use [`move_mount`] instead.
///
/// # References
///  - [Linux]
///
/// [`move_mount`]: crate::mount::move_mount
/// [Linux]: https://man7.org/linux/man-pages/man2/mount.2.html
#[inline]
#[doc(alias = "mount")]
#[doc(alias = "MS_MOVE")]
pub fn mount_move<Source: path::Arg, Target: path::Arg>(
    source: Source,
    target: Target,
) -> io::Result<()> {
    source.into_with_c_str(|source| {
        target.into_with_c_str(|target| {
            backend::mount::syscalls::mount(
                Some(source),
                target,
                None,
                MountFlagsArg(InternalMountFlags::MOVE.bits()),
                None,
            )
        })
    })
}

/// `umount2(target, flags)`
///
/// # References
///  - [Linux]
///
/// [Linux]: https://man7.org/linux/man-pages/man2/umount.2.html
#[inline]
#[doc(alias = "umount", alias = "umount2")]
pub fn unmount<Target: path::Arg>(target: Target, flags: UnmountFlags) -> io::Result<()> {
    target.into_with_c_str(|target| backend::mount::syscalls::unmount(target, flags))
}