1 use libc::{c_ulong, c_int};
2 use libc;
3 use {Result, NixPath};
4 use errno::Errno;
5
6 libc_bitflags!(
7 pub struct MsFlags: c_ulong {
8 /// Mount read-only
9 MS_RDONLY;
10 /// Ignore suid and sgid bits
11 MS_NOSUID;
12 /// Disallow access to device special files
13 MS_NODEV;
14 /// Disallow program execution
15 MS_NOEXEC;
16 /// Writes are synced at once
17 MS_SYNCHRONOUS;
18 /// Alter flags of a mounted FS
19 MS_REMOUNT;
20 /// Allow mandatory locks on a FS
21 MS_MANDLOCK;
22 /// Directory modifications are synchronous
23 MS_DIRSYNC;
24 /// Do not update access times
25 MS_NOATIME;
26 /// Do not update directory access times
27 MS_NODIRATIME;
28 /// Linux 2.4.0 - Bind directory at different place
29 MS_BIND;
30 MS_MOVE;
31 MS_REC;
32 MS_SILENT;
33 MS_POSIXACL;
34 MS_UNBINDABLE;
35 MS_PRIVATE;
36 MS_SLAVE;
37 MS_SHARED;
38 MS_RELATIME;
39 MS_KERNMOUNT;
40 MS_I_VERSION;
41 MS_STRICTATIME;
42 MS_ACTIVE;
43 MS_NOUSER;
44 MS_RMT_MASK;
45 MS_MGC_VAL;
46 MS_MGC_MSK;
47 }
48 );
49
50 libc_bitflags!(
51 pub struct MntFlags: c_int {
52 MNT_FORCE;
53 MNT_DETACH;
54 MNT_EXPIRE;
55 }
56 );
57
mount<P1: ?Sized + NixPath, P2: ?Sized + NixPath, P3: ?Sized + NixPath, P4: ?Sized + NixPath>( source: Option<&P1>, target: &P2, fstype: Option<&P3>, flags: MsFlags, data: Option<&P4>) -> Result<()>58 pub fn mount<P1: ?Sized + NixPath, P2: ?Sized + NixPath, P3: ?Sized + NixPath, P4: ?Sized + NixPath>(
59 source: Option<&P1>,
60 target: &P2,
61 fstype: Option<&P3>,
62 flags: MsFlags,
63 data: Option<&P4>) -> Result<()> {
64
65 let res =
66 source.with_nix_path(|source| {
67 target.with_nix_path(|target| {
68 fstype.with_nix_path(|fstype| {
69 data.with_nix_path(|data| {
70 unsafe {
71 libc::mount(source.as_ptr(),
72 target.as_ptr(),
73 fstype.as_ptr(),
74 flags.bits,
75 data.as_ptr() as *const libc::c_void)
76 }
77 })
78 })
79 })
80 })????;
81
82 Errno::result(res).map(drop)
83 }
84
umount<P: ?Sized + NixPath>(target: &P) -> Result<()>85 pub fn umount<P: ?Sized + NixPath>(target: &P) -> Result<()> {
86 let res = target.with_nix_path(|cstr| {
87 unsafe { libc::umount(cstr.as_ptr()) }
88 })?;
89
90 Errno::result(res).map(drop)
91 }
92
umount2<P: ?Sized + NixPath>(target: &P, flags: MntFlags) -> Result<()>93 pub fn umount2<P: ?Sized + NixPath>(target: &P, flags: MntFlags) -> Result<()> {
94 let res = target.with_nix_path(|cstr| {
95 unsafe { libc::umount2(cstr.as_ptr(), flags.bits) }
96 })?;
97
98 Errno::result(res).map(drop)
99 }
100