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|
use libc::{c_ulong, c_int};
use libc;
use {Result, NixPath};
use errno::Errno;
libc_bitflags!(
pub struct MsFlags: c_ulong {
/// Mount read-only
MS_RDONLY;
/// Ignore suid and sgid bits
MS_NOSUID;
/// Disallow access to device special files
MS_NODEV;
/// Disallow program execution
MS_NOEXEC;
/// Writes are synced at once
MS_SYNCHRONOUS;
/// Alter flags of a mounted FS
MS_REMOUNT;
/// Allow mandatory locks on a FS
MS_MANDLOCK;
/// Directory modifications are synchronous
MS_DIRSYNC;
/// Do not update access times
MS_NOATIME;
/// Do not update directory access times
MS_NODIRATIME;
/// Linux 2.4.0 - Bind directory at different place
MS_BIND;
MS_MOVE;
MS_REC;
MS_SILENT;
MS_POSIXACL;
MS_UNBINDABLE;
MS_PRIVATE;
MS_SLAVE;
MS_SHARED;
MS_RELATIME;
MS_KERNMOUNT;
MS_I_VERSION;
MS_STRICTATIME;
MS_ACTIVE;
MS_NOUSER;
MS_RMT_MASK;
MS_MGC_VAL;
MS_MGC_MSK;
}
);
libc_bitflags!(
pub struct MntFlags: c_int {
MNT_FORCE;
MNT_DETACH;
MNT_EXPIRE;
}
);
pub fn 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<()> {
use libc;
let res =
source.with_nix_path(|source| {
target.with_nix_path(|target| {
fstype.with_nix_path(|fstype| {
data.with_nix_path(|data| {
unsafe {
libc::mount(source.as_ptr(),
target.as_ptr(),
fstype.as_ptr(),
flags.bits,
data.as_ptr() as *const libc::c_void)
}
})
})
})
})????;
Errno::result(res).map(drop)
}
pub fn umount<P: ?Sized + NixPath>(target: &P) -> Result<()> {
let res = target.with_nix_path(|cstr| {
unsafe { libc::umount(cstr.as_ptr()) }
})?;
Errno::result(res).map(drop)
}
pub fn umount2<P: ?Sized + NixPath>(target: &P, flags: MntFlags) -> Result<()> {
let res = target.with_nix_path(|cstr| {
unsafe { libc::umount2(cstr.as_ptr(), flags.bits) }
})?;
Errno::result(res).map(drop)
}
|
