diff options
Diffstat (limited to 'vendor/rustix/src/backend/linux_raw/shm')
| -rw-r--r-- | vendor/rustix/src/backend/linux_raw/shm/mod.rs | 2 | ||||
| -rw-r--r-- | vendor/rustix/src/backend/linux_raw/shm/syscalls.rs | 47 | ||||
| -rw-r--r-- | vendor/rustix/src/backend/linux_raw/shm/types.rs | 30 | 
3 files changed, 0 insertions, 79 deletions
diff --git a/vendor/rustix/src/backend/linux_raw/shm/mod.rs b/vendor/rustix/src/backend/linux_raw/shm/mod.rs deleted file mode 100644 index 1e0181a..0000000 --- a/vendor/rustix/src/backend/linux_raw/shm/mod.rs +++ /dev/null @@ -1,2 +0,0 @@ -pub(crate) mod syscalls; -pub(crate) mod types; diff --git a/vendor/rustix/src/backend/linux_raw/shm/syscalls.rs b/vendor/rustix/src/backend/linux_raw/shm/syscalls.rs deleted file mode 100644 index 3b083f4..0000000 --- a/vendor/rustix/src/backend/linux_raw/shm/syscalls.rs +++ /dev/null @@ -1,47 +0,0 @@ -use crate::ffi::CStr; - -use crate::backend::fs::syscalls::{open, unlink}; -use crate::backend::fs::types::{Mode, OFlags}; -use crate::fd::OwnedFd; -use crate::io; -use crate::shm::ShmOFlags; - -const NAME_MAX: usize = 255; -const SHM_DIR: &[u8] = b"/dev/shm/"; - -fn get_shm_name(name: &CStr) -> io::Result<([u8; NAME_MAX + SHM_DIR.len() + 1], usize)> { -    let name = name.to_bytes(); - -    if name.len() > NAME_MAX { -        return Err(io::Errno::NAMETOOLONG); -    } - -    let num_slashes = name.iter().take_while(|x| **x == b'/').count(); -    let after_slashes = &name[num_slashes..]; -    if after_slashes.is_empty() -        || after_slashes == b"." -        || after_slashes == b".." -        || after_slashes.contains(&b'/') -    { -        return Err(io::Errno::INVAL); -    } - -    let mut path = [0; NAME_MAX + SHM_DIR.len() + 1]; -    path[..SHM_DIR.len()].copy_from_slice(SHM_DIR); -    path[SHM_DIR.len()..SHM_DIR.len() + name.len()].copy_from_slice(name); -    Ok((path, SHM_DIR.len() + name.len() + 1)) -} - -pub(crate) fn shm_open(name: &CStr, oflags: ShmOFlags, mode: Mode) -> io::Result<OwnedFd> { -    let (path, len) = get_shm_name(name)?; -    open( -        CStr::from_bytes_with_nul(&path[..len]).unwrap(), -        OFlags::from_bits(oflags.bits()).unwrap() | OFlags::CLOEXEC, -        mode, -    ) -} - -pub(crate) fn shm_unlink(name: &CStr) -> io::Result<()> { -    let (path, len) = get_shm_name(name)?; -    unlink(CStr::from_bytes_with_nul(&path[..len]).unwrap()) -} diff --git a/vendor/rustix/src/backend/linux_raw/shm/types.rs b/vendor/rustix/src/backend/linux_raw/shm/types.rs deleted file mode 100644 index 3343d44..0000000 --- a/vendor/rustix/src/backend/linux_raw/shm/types.rs +++ /dev/null @@ -1,30 +0,0 @@ -use crate::backend::c; -use bitflags::bitflags; - -bitflags! { -    /// `O_*` constants for use with [`shm_open`]. -    /// -    /// [`shm_open`]: crate:shm::shm_open -    #[repr(transparent)] -    #[derive(Copy, Clone, Eq, PartialEq, Hash, Debug)] -    pub struct ShmOFlags: c::c_uint { -        /// `O_CREAT` -        #[doc(alias = "CREAT")] -        const CREATE = linux_raw_sys::general::O_CREAT; - -        /// `O_EXCL` -        const EXCL = linux_raw_sys::general::O_EXCL; - -        /// `O_RDONLY` -        const RDONLY = linux_raw_sys::general::O_RDONLY; - -        /// `O_RDWR` -        const RDWR = linux_raw_sys::general::O_RDWR; - -        /// `O_TRUNC` -        const TRUNC = linux_raw_sys::general::O_TRUNC; - -        /// <https://docs.rs/bitflags/*/bitflags/#externally-defined-flags> -        const _ = !0; -    } -}  | 
