Deleted vendor folder

1 files changed, 0 insertions, 496 deletions

diff --git a/vendor/rustix/src/backend/libc/event/epoll.rs b/vendor/rustix/src/backend/libc/event/epoll.rs
deleted file mode 100644
index ced3be1..0000000
--- a/vendor/rustix/src/backend/libc/event/epoll.rs
+++ /dev/null
@@ -1,496 +0,0 @@
-//! Linux `epoll` support.
-//!
-//! # Examples
-//!
-//! ```no_run
-//! # #[cfg(feature = "net")]
-//! # fn main() -> std::io::Result<()> {
-//! use rustix::event::epoll;
-//! use rustix::fd::AsFd;
-//! use rustix::io::{ioctl_fionbio, read, write};
-//! use rustix::net::{
-//!     accept, bind_v4, listen, socket, AddressFamily, Ipv4Addr, SocketAddrV4, SocketType,
-//! };
-//! use std::collections::HashMap;
-//! use std::os::unix::io::AsRawFd;
-//!
-//! // Create a socket and listen on it.
-//! let listen_sock = socket(AddressFamily::INET, SocketType::STREAM, None)?;
-//! bind_v4(&listen_sock, &SocketAddrV4::new(Ipv4Addr::LOCALHOST, 0))?;
-//! listen(&listen_sock, 1)?;
-//!
-//! // Create an epoll object. Using `Owning` here means the epoll object will
-//! // take ownership of the file descriptors registered with it.
-//! let epoll = epoll::create(epoll::CreateFlags::CLOEXEC)?;
-//!
-//! // Register the socket with the epoll object.
-//! epoll::add(
-//!     &epoll,
-//!     &listen_sock,
-//!     epoll::EventData::new_u64(1),
-//!     epoll::EventFlags::IN,
-//! )?;
-//!
-//! // Keep track of the sockets we've opened.
-//! let mut next_id = epoll::EventData::new_u64(2);
-//! let mut sockets = HashMap::new();
-//!
-//! // Process events.
-//! let mut event_list = epoll::EventVec::with_capacity(4);
-//! loop {
-//!     epoll::wait(&epoll, &mut event_list, -1)?;
-//!     for event in &event_list {
-//!         let target = event.data;
-//!         if target.u64() == 1 {
-//!             // Accept a new connection, set it to non-blocking, and
-//!             // register to be notified when it's ready to write to.
-//!             let conn_sock = accept(&listen_sock)?;
-//!             ioctl_fionbio(&conn_sock, true)?;
-//!             epoll::add(
-//!                 &epoll,
-//!                 &conn_sock,
-//!                 next_id,
-//!                 epoll::EventFlags::OUT | epoll::EventFlags::ET,
-//!             )?;
-//!
-//!             // Keep track of the socket.
-//!             sockets.insert(next_id, conn_sock);
-//!             next_id = epoll::EventData::new_u64(next_id.u64() + 1);
-//!         } else {
-//!             // Write a message to the stream and then unregister it.
-//!             let target = sockets.remove(&target).unwrap();
-//!             write(&target, b"hello\n")?;
-//!             let _ = epoll::delete(&epoll, &target)?;
-//!         }
-//!     }
-//! }
-//! # }
-//! # #[cfg(not(feature = "net"))]
-//! # fn main() {}
-//! ```
-
-use crate::backend::c;
-#[cfg(feature = "alloc")]
-use crate::backend::conv::ret_u32;
-use crate::backend::conv::{ret, ret_owned_fd};
-use crate::fd::{AsFd, AsRawFd, OwnedFd};
-use crate::io;
-use crate::utils::as_mut_ptr;
-#[cfg(feature = "alloc")]
-use alloc::vec::Vec;
-use bitflags::bitflags;
-use core::ffi::c_void;
-use core::hash::{Hash, Hasher};
-use core::ptr::null_mut;
-use core::slice;
-
-bitflags! {
-    /// `EPOLL_*` for use with [`new`].
-    #[repr(transparent)]
-    #[derive(Copy, Clone, Eq, PartialEq, Hash, Debug)]
-    pub struct CreateFlags: u32 {
-        /// `EPOLL_CLOEXEC`
-        const CLOEXEC = bitcast!(c::EPOLL_CLOEXEC);
-
-        /// <https://docs.rs/bitflags/*/bitflags/#externally-defined-flags>
-        const _ = !0;
-    }
-}
-
-bitflags! {
-    /// `EPOLL*` for use with [`add`].
-    #[repr(transparent)]
-    #[derive(Default, Copy, Clone, Eq, PartialEq, Hash, Debug)]
-    pub struct EventFlags: u32 {
-        /// `EPOLLIN`
-        const IN = bitcast!(c::EPOLLIN);
-
-        /// `EPOLLOUT`
-        const OUT = bitcast!(c::EPOLLOUT);
-
-        /// `EPOLLPRI`
-        const PRI = bitcast!(c::EPOLLPRI);
-
-        /// `EPOLLERR`
-        const ERR = bitcast!(c::EPOLLERR);
-
-        /// `EPOLLHUP`
-        const HUP = bitcast!(c::EPOLLHUP);
-
-        /// `EPOLLRDNORM`
-        const RDNORM = bitcast!(c::EPOLLRDNORM);
-
-        /// `EPOLLRDBAND`
-        const RDBAND = bitcast!(c::EPOLLRDBAND);
-
-        /// `EPOLLWRNORM`
-        const WRNORM = bitcast!(c::EPOLLWRNORM);
-
-        /// `EPOLLWRBAND`
-        const WRBAND = bitcast!(c::EPOLLWRBAND);
-
-        /// `EPOLLMSG`
-        const MSG = bitcast!(c::EPOLLMSG);
-
-        /// `EPOLLRDHUP`
-        const RDHUP = bitcast!(c::EPOLLRDHUP);
-
-        /// `EPOLLET`
-        const ET = bitcast!(c::EPOLLET);
-
-        /// `EPOLLONESHOT`
-        const ONESHOT = bitcast!(c::EPOLLONESHOT);
-
-        /// `EPOLLWAKEUP`
-        const WAKEUP = bitcast!(c::EPOLLWAKEUP);
-
-        /// `EPOLLEXCLUSIVE`
-        #[cfg(not(target_os = "android"))]
-        const EXCLUSIVE = bitcast!(c::EPOLLEXCLUSIVE);
-
-        /// <https://docs.rs/bitflags/*/bitflags/#externally-defined-flags>
-        const _ = !0;
-    }
-}
-
-/// `epoll_create1(flags)`—Creates a new epoll object.
-///
-/// Use the [`CreateFlags::CLOEXEC`] flag to prevent the resulting file
-/// descriptor from being implicitly passed across `exec` boundaries.
-#[inline]
-#[doc(alias = "epoll_create1")]
-pub fn create(flags: CreateFlags) -> io::Result<OwnedFd> {
-    // SAFETY: We're calling `epoll_create1` via FFI and we know how it
-    // behaves.
-    unsafe { ret_owned_fd(c::epoll_create1(bitflags_bits!(flags))) }
-}
-
-/// `epoll_ctl(self, EPOLL_CTL_ADD, data, event)`—Adds an element to an epoll
-/// object.
-///
-/// This registers interest in any of the events set in `events` occurring on
-/// the file descriptor associated with `data`.
-///
-/// If [`delete`] is not called on the I/O source passed into this function
-/// before the I/O source is `close`d, then the `epoll` will act as if the I/O
-/// source is still registered with it. This can lead to spurious events being
-/// returned from [`wait`]. If a file descriptor is an
-/// `Arc<dyn SystemResource>`, then `epoll` can be thought to maintain a
-/// `Weak<dyn SystemResource>` to the file descriptor.
-#[doc(alias = "epoll_ctl")]
-pub fn add(
-    epoll: impl AsFd,
-    source: impl AsFd,
-    data: EventData,
-    event_flags: EventFlags,
-) -> io::Result<()> {
-    // SAFETY: We're calling `epoll_ctl` via FFI and we know how it
-    // behaves. We use our own `Event` struct instead of libc's because
-    // ours preserves pointer provenance instead of just using a `u64`,
-    // and we have tests elsehwere for layout equivalence.
-    unsafe {
-        let raw_fd = source.as_fd().as_raw_fd();
-        ret(c::epoll_ctl(
-            epoll.as_fd().as_raw_fd(),
-            c::EPOLL_CTL_ADD,
-            raw_fd,
-            as_mut_ptr(&mut Event {
-                flags: event_flags,
-                data,
-            })
-            .cast(),
-        ))
-    }
-}
-
-/// `epoll_ctl(self, EPOLL_CTL_MOD, target, event)`—Modifies an element in a
-/// given epoll object.
-///
-/// This sets the events of interest with `target` to `events`.
-#[doc(alias = "epoll_ctl")]
-pub fn modify(
-    epoll: impl AsFd,
-    source: impl AsFd,
-    data: EventData,
-    event_flags: EventFlags,
-) -> io::Result<()> {
-    let raw_fd = source.as_fd().as_raw_fd();
-
-    // SAFETY: We're calling `epoll_ctl` via FFI and we know how it
-    // behaves. We use our own `Event` struct instead of libc's because
-    // ours preserves pointer provenance instead of just using a `u64`,
-    // and we have tests elsehwere for layout equivalence.
-    unsafe {
-        ret(c::epoll_ctl(
-            epoll.as_fd().as_raw_fd(),
-            c::EPOLL_CTL_MOD,
-            raw_fd,
-            as_mut_ptr(&mut Event {
-                flags: event_flags,
-                data,
-            })
-            .cast(),
-        ))
-    }
-}
-
-/// `epoll_ctl(self, EPOLL_CTL_DEL, target, NULL)`—Removes an element in a
-/// given epoll object.
-#[doc(alias = "epoll_ctl")]
-pub fn delete(epoll: impl AsFd, source: impl AsFd) -> io::Result<()> {
-    // SAFETY: We're calling `epoll_ctl` via FFI and we know how it
-    // behaves.
-    unsafe {
-        let raw_fd = source.as_fd().as_raw_fd();
-        ret(c::epoll_ctl(
-            epoll.as_fd().as_raw_fd(),
-            c::EPOLL_CTL_DEL,
-            raw_fd,
-            null_mut(),
-        ))
-    }
-}
-
-/// `epoll_wait(self, events, timeout)`—Waits for registered events of
-/// interest.
-///
-/// For each event of interest, an element is written to `events`. On
-/// success, this returns the number of written elements.
-#[cfg(feature = "alloc")]
-#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
-pub fn wait(epoll: impl AsFd, event_list: &mut EventVec, timeout: c::c_int) -> io::Result<()> {
-    // SAFETY: We're calling `epoll_wait` via FFI and we know how it
-    // behaves.
-    unsafe {
-        event_list.events.set_len(0);
-        let nfds = ret_u32(c::epoll_wait(
-            epoll.as_fd().as_raw_fd(),
-            event_list.events.as_mut_ptr().cast::<c::epoll_event>(),
-            event_list.events.capacity().try_into().unwrap_or(i32::MAX),
-            timeout,
-        ))?;
-        event_list.events.set_len(nfds as usize);
-    }
-
-    Ok(())
-}
-
-/// An iterator over the `Event`s in an `EventVec`.
-pub struct Iter<'a> {
-    /// Use `Copied` to copy the struct, since `Event` is `packed` on some
-    /// platforms, and it's common for users to directly destructure it, which
-    /// would lead to errors about forming references to packed fields.
-    iter: core::iter::Copied<slice::Iter<'a, Event>>,
-}
-
-impl<'a> Iterator for Iter<'a> {
-    type Item = Event;
-
-    #[inline]
-    fn next(&mut self) -> Option<Self::Item> {
-        self.iter.next()
-    }
-}
-
-/// A record of an event that occurred.
-#[repr(C)]
-#[cfg_attr(
-    any(
-        all(
-            target_arch = "x86",
-            not(target_env = "musl"),
-            not(target_os = "android"),
-        ),
-        target_arch = "x86_64",
-    ),
-    repr(packed)
-)]
-#[derive(Copy, Clone, Eq, PartialEq, Hash)]
-pub struct Event {
-    /// Which specific event(s) occurred.
-    pub flags: EventFlags,
-    /// User data.
-    pub data: EventData,
-}
-
-/// Data associated with an [`Event`]. This can either be a 64-bit integer
-/// value or a pointer which preserves pointer provenance.
-#[repr(C)]
-#[derive(Copy, Clone)]
-pub union EventData {
-    /// A 64-bit integer value.
-    as_u64: u64,
-
-    /// A `*mut c_void` which preserves pointer provenance, extended to be
-    /// 64-bit so that if we read the value as a `u64` union field, we don't
-    /// get uninitialized memory.
-    sixty_four_bit_pointer: SixtyFourBitPointer,
-}
-
-impl EventData {
-    /// Construct a new value containing a `u64`.
-    #[inline]
-    pub const fn new_u64(value: u64) -> Self {
-        Self { as_u64: value }
-    }
-
-    /// Construct a new value containing a `*mut c_void`.
-    #[inline]
-    pub const fn new_ptr(value: *mut c_void) -> Self {
-        Self {
-            sixty_four_bit_pointer: SixtyFourBitPointer {
-                pointer: value,
-                #[cfg(target_pointer_width = "32")]
-                _padding: 0,
-            },
-        }
-    }
-
-    /// Return the value as a `u64`.
-    ///
-    /// If the stored value was a pointer, the pointer is zero-extended to a
-    /// `u64`.
-    #[inline]
-    pub fn u64(self) -> u64 {
-        unsafe { self.as_u64 }
-    }
-
-    /// Return the value as a `*mut c_void`.
-    ///
-    /// If the stored value was a `u64`, the least-significant bits of the
-    /// `u64` are returned as a pointer value.
-    #[inline]
-    pub fn ptr(self) -> *mut c_void {
-        unsafe { self.sixty_four_bit_pointer.pointer }
-    }
-}
-
-impl PartialEq for EventData {
-    #[inline]
-    fn eq(&self, other: &Self) -> bool {
-        self.u64() == other.u64()
-    }
-}
-
-impl Eq for EventData {}
-
-impl Hash for EventData {
-    #[inline]
-    fn hash<H: Hasher>(&self, state: &mut H) {
-        self.u64().hash(state)
-    }
-}
-
-#[repr(C)]
-#[derive(Copy, Clone)]
-struct SixtyFourBitPointer {
-    #[cfg(target_endian = "big")]
-    #[cfg(target_pointer_width = "32")]
-    _padding: u32,
-
-    pointer: *mut c_void,
-
-    #[cfg(target_endian = "little")]
-    #[cfg(target_pointer_width = "32")]
-    _padding: u32,
-}
-
-/// A vector of `Event`s, plus context for interpreting them.
-#[cfg(feature = "alloc")]
-pub struct EventVec {
-    events: Vec<Event>,
-}
-
-#[cfg(feature = "alloc")]
-impl EventVec {
-    /// Constructs an `EventVec` from raw pointer, length, and capacity.
-    ///
-    /// # Safety
-    ///
-    /// This function calls [`Vec::from_raw_parts`] with its arguments.
-    ///
-    /// [`Vec::from_raw_parts`]: https://doc.rust-lang.org/stable/std/vec/struct.Vec.html#method.from_raw_parts
-    #[inline]
-    pub unsafe fn from_raw_parts(ptr: *mut Event, len: usize, capacity: usize) -> Self {
-        Self {
-            events: Vec::from_raw_parts(ptr, len, capacity),
-        }
-    }
-
-    /// Constructs an `EventVec` with memory for `capacity` `Event`s.
-    #[inline]
-    pub fn with_capacity(capacity: usize) -> Self {
-        Self {
-            events: Vec::with_capacity(capacity),
-        }
-    }
-
-    /// Returns the current `Event` capacity of this `EventVec`.
-    #[inline]
-    pub fn capacity(&self) -> usize {
-        self.events.capacity()
-    }
-
-    /// Reserves enough memory for at least `additional` more `Event`s.
-    #[inline]
-    pub fn reserve(&mut self, additional: usize) {
-        self.events.reserve(additional);
-    }
-
-    /// Reserves enough memory for exactly `additional` more `Event`s.
-    #[inline]
-    pub fn reserve_exact(&mut self, additional: usize) {
-        self.events.reserve_exact(additional);
-    }
-
-    /// Clears all the `Events` out of this `EventVec`.
-    #[inline]
-    pub fn clear(&mut self) {
-        self.events.clear();
-    }
-
-    /// Shrinks the capacity of this `EventVec` as much as possible.
-    #[inline]
-    pub fn shrink_to_fit(&mut self) {
-        self.events.shrink_to_fit();
-    }
-
-    /// Returns an iterator over the `Event`s in this `EventVec`.
-    #[inline]
-    pub fn iter(&self) -> Iter<'_> {
-        Iter {
-            iter: self.events.iter().copied(),
-        }
-    }
-
-    /// Returns the number of `Event`s logically contained in this `EventVec`.
-    #[inline]
-    pub fn len(&mut self) -> usize {
-        self.events.len()
-    }
-
-    /// Tests whether this `EventVec` is logically empty.
-    #[inline]
-    pub fn is_empty(&mut self) -> bool {
-        self.events.is_empty()
-    }
-}
-
-#[cfg(feature = "alloc")]
-impl<'a> IntoIterator for &'a EventVec {
-    type IntoIter = Iter<'a>;
-    type Item = Event;
-
-    #[inline]
-    fn into_iter(self) -> Self::IntoIter {
-        self.iter()
-    }
-}
-
-#[test]
-fn test_epoll_layouts() {
-    check_renamed_type!(Event, epoll_event);
-    check_renamed_type!(Event, epoll_event);
-    check_renamed_struct_renamed_field!(Event, epoll_event, flags, events);
-    check_renamed_struct_renamed_field!(Event, epoll_event, data, u64);
-}