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-rw-r--r--vendor/rustix/src/backend/libc/io/errno.rs1052
-rw-r--r--vendor/rustix/src/backend/libc/io/mod.rs6
-rw-r--r--vendor/rustix/src/backend/libc/io/syscalls.rs340
-rw-r--r--vendor/rustix/src/backend/libc/io/types.rs65
-rw-r--r--vendor/rustix/src/backend/libc/io/windows_syscalls.rs30
5 files changed, 1493 insertions, 0 deletions
diff --git a/vendor/rustix/src/backend/libc/io/errno.rs b/vendor/rustix/src/backend/libc/io/errno.rs
new file mode 100644
index 0000000..805ea67
--- /dev/null
+++ b/vendor/rustix/src/backend/libc/io/errno.rs
@@ -0,0 +1,1052 @@
+//! The `rustix` `Errno` type.
+//!
+//! This type holds an OS error code, which conceptually corresponds to an
+//! `errno` value.
+
+use crate::backend::c;
+use libc_errno::errno;
+
+/// `errno`—An error code.
+///
+/// The error type for `rustix` APIs. This is similar to [`std::io::Error`],
+/// but only holds an OS error code, and no extra error value.
+///
+/// # References
+/// - [POSIX]
+/// - [Linux]
+/// - [Winsock]
+/// - [FreeBSD]
+/// - [NetBSD]
+/// - [OpenBSD]
+/// - [DragonFly BSD]
+/// - [illumos]
+/// - [glibc]
+///
+/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/errno.html
+/// [Linux]: https://man7.org/linux/man-pages/man3/errno.3.html
+/// [Winsock]: https://learn.microsoft.com/en-us/windows/win32/winsock/windows-sockets-error-codes-2
+/// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?errno
+/// [NetBSD]: https://man.netbsd.org/errno.2
+/// [OpenBSD]: https://man.openbsd.org/errno.2
+/// [DragonFly BSD]: https://man.dragonflybsd.org/?command=errno&section=2
+/// [illumos]: https://illumos.org/man/3C/errno
+/// [glibc]: https://www.gnu.org/software/libc/manual/html_node/Error-Codes.html
+/// [`std::io::Error`]: Result
+#[repr(transparent)]
+#[doc(alias = "errno")]
+#[derive(Eq, PartialEq, Hash, Copy, Clone)]
+pub struct Errno(pub(crate) c::c_int);
+
+impl Errno {
+ /// `EACCES`
+ #[doc(alias = "ACCES")]
+ pub const ACCESS: Self = Self(c::EACCES);
+ /// `EADDRINUSE`
+ pub const ADDRINUSE: Self = Self(c::EADDRINUSE);
+ /// `EADDRNOTAVAIL`
+ pub const ADDRNOTAVAIL: Self = Self(c::EADDRNOTAVAIL);
+ /// `EADV`
+ #[cfg(not(any(
+ bsd,
+ windows,
+ target_os = "aix",
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "vita",
+ target_os = "wasi",
+ )))]
+ pub const ADV: Self = Self(c::EADV);
+ /// `EAFNOSUPPORT`
+ #[cfg(not(target_os = "l4re"))]
+ pub const AFNOSUPPORT: Self = Self(c::EAFNOSUPPORT);
+ /// `EAGAIN`
+ pub const AGAIN: Self = Self(c::EAGAIN);
+ /// `EALREADY`
+ #[cfg(not(target_os = "l4re"))]
+ pub const ALREADY: Self = Self(c::EALREADY);
+ /// `EAUTH`
+ #[cfg(bsd)]
+ pub const AUTH: Self = Self(c::EAUTH);
+ /// `EBADE`
+ #[cfg(not(any(
+ bsd,
+ windows,
+ target_os = "aix",
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "vita",
+ target_os = "wasi",
+ )))]
+ pub const BADE: Self = Self(c::EBADE);
+ /// `EBADF`
+ pub const BADF: Self = Self(c::EBADF);
+ /// `EBADFD`
+ #[cfg(not(any(
+ bsd,
+ windows,
+ target_os = "aix",
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "vita",
+ target_os = "wasi",
+ )))]
+ pub const BADFD: Self = Self(c::EBADFD);
+ /// `EBADMSG`
+ #[cfg(not(any(windows, target_os = "l4re")))]
+ pub const BADMSG: Self = Self(c::EBADMSG);
+ /// `EBADR`
+ #[cfg(not(any(
+ bsd,
+ windows,
+ target_os = "aix",
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "vita",
+ target_os = "wasi",
+ )))]
+ pub const BADR: Self = Self(c::EBADR);
+ /// `EBADRPC`
+ #[cfg(bsd)]
+ pub const BADRPC: Self = Self(c::EBADRPC);
+ /// `EBADRQC`
+ #[cfg(not(any(
+ bsd,
+ windows,
+ target_os = "aix",
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "vita",
+ target_os = "wasi",
+ )))]
+ pub const BADRQC: Self = Self(c::EBADRQC);
+ /// `EBADSLT`
+ #[cfg(not(any(
+ bsd,
+ windows,
+ target_os = "aix",
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "vita",
+ target_os = "wasi",
+ )))]
+ pub const BADSLT: Self = Self(c::EBADSLT);
+ /// `EBFONT`
+ #[cfg(not(any(
+ bsd,
+ windows,
+ target_os = "aix",
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "vita",
+ target_os = "wasi",
+ )))]
+ pub const BFONT: Self = Self(c::EBFONT);
+ /// `EBUSY`
+ #[cfg(not(windows))]
+ pub const BUSY: Self = Self(c::EBUSY);
+ /// `ECANCELED`
+ #[cfg(not(target_os = "l4re"))]
+ pub const CANCELED: Self = Self(c::ECANCELED);
+ /// `ECAPMODE`
+ #[cfg(target_os = "freebsd")]
+ pub const CAPMODE: Self = Self(c::ECAPMODE);
+ /// `ECHILD`
+ #[cfg(not(windows))]
+ pub const CHILD: Self = Self(c::ECHILD);
+ /// `ECHRNG`
+ #[cfg(not(any(
+ bsd,
+ windows,
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "vita",
+ target_os = "wasi"
+ )))]
+ pub const CHRNG: Self = Self(c::ECHRNG);
+ /// `ECOMM`
+ #[cfg(not(any(
+ bsd,
+ windows,
+ target_os = "aix",
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "vita",
+ target_os = "wasi",
+ )))]
+ pub const COMM: Self = Self(c::ECOMM);
+ /// `ECONNABORTED`
+ pub const CONNABORTED: Self = Self(c::ECONNABORTED);
+ /// `ECONNREFUSED`
+ pub const CONNREFUSED: Self = Self(c::ECONNREFUSED);
+ /// `ECONNRESET`
+ pub const CONNRESET: Self = Self(c::ECONNRESET);
+ /// `EDEADLK`
+ #[cfg(not(windows))]
+ pub const DEADLK: Self = Self(c::EDEADLK);
+ /// `EDEADLOCK`
+ #[cfg(not(any(
+ bsd,
+ windows,
+ target_os = "aix",
+ target_os = "android",
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "vita",
+ target_os = "wasi",
+ )))]
+ pub const DEADLOCK: Self = Self(c::EDEADLOCK);
+ /// `EDESTADDRREQ`
+ #[cfg(not(target_os = "l4re"))]
+ pub const DESTADDRREQ: Self = Self(c::EDESTADDRREQ);
+ /// `EDISCON`
+ #[cfg(windows)]
+ pub const DISCON: Self = Self(c::EDISCON);
+ /// `EDOM`
+ #[cfg(not(windows))]
+ pub const DOM: Self = Self(c::EDOM);
+ /// `EDOOFUS`
+ #[cfg(freebsdlike)]
+ pub const DOOFUS: Self = Self(c::EDOOFUS);
+ /// `EDOTDOT`
+ #[cfg(not(any(
+ bsd,
+ solarish,
+ windows,
+ target_os = "aix",
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "nto",
+ target_os = "vita",
+ target_os = "wasi",
+ )))]
+ pub const DOTDOT: Self = Self(c::EDOTDOT);
+ /// `EDQUOT`
+ pub const DQUOT: Self = Self(c::EDQUOT);
+ /// `EEXIST`
+ #[cfg(not(windows))]
+ pub const EXIST: Self = Self(c::EEXIST);
+ /// `EFAULT`
+ pub const FAULT: Self = Self(c::EFAULT);
+ /// `EFBIG`
+ #[cfg(not(windows))]
+ pub const FBIG: Self = Self(c::EFBIG);
+ /// `EFTYPE`
+ #[cfg(any(bsd, target_env = "newlib"))]
+ pub const FTYPE: Self = Self(c::EFTYPE);
+ /// `EHOSTDOWN`
+ #[cfg(not(any(target_os = "l4re", target_os = "wasi")))]
+ pub const HOSTDOWN: Self = Self(c::EHOSTDOWN);
+ /// `EHOSTUNREACH`
+ pub const HOSTUNREACH: Self = Self(c::EHOSTUNREACH);
+ /// `EHWPOISON`
+ #[cfg(not(any(
+ bsd,
+ solarish,
+ windows,
+ target_os = "aix",
+ target_os = "android",
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "nto",
+ target_os = "redox",
+ target_os = "vita",
+ target_os = "wasi",
+ )))]
+ pub const HWPOISON: Self = Self(c::EHWPOISON);
+ /// `EIDRM`
+ #[cfg(not(any(windows, target_os = "l4re")))]
+ pub const IDRM: Self = Self(c::EIDRM);
+ /// `EILSEQ`
+ #[cfg(not(any(windows, target_os = "l4re")))]
+ pub const ILSEQ: Self = Self(c::EILSEQ);
+ /// `EINPROGRESS`
+ #[cfg(not(target_os = "l4re"))]
+ pub const INPROGRESS: Self = Self(c::EINPROGRESS);
+ /// `EINTR`
+ ///
+ /// For a convenient way to retry system calls that exit with `INTR`, use
+ /// [`retry_on_intr`].
+ ///
+ /// [`retry_on_intr`]: crate::io::retry_on_intr
+ pub const INTR: Self = Self(c::EINTR);
+ /// `EINVAL`
+ pub const INVAL: Self = Self(c::EINVAL);
+ /// `EINVALIDPROCTABLE`
+ #[cfg(windows)]
+ pub const INVALIDPROCTABLE: Self = Self(c::EINVALIDPROCTABLE);
+ /// `EINVALIDPROVIDER`
+ #[cfg(windows)]
+ pub const INVALIDPROVIDER: Self = Self(c::EINVALIDPROVIDER);
+ /// `EIO`
+ #[cfg(not(windows))]
+ pub const IO: Self = Self(c::EIO);
+ /// `EISCONN`
+ #[cfg(not(target_os = "l4re"))]
+ pub const ISCONN: Self = Self(c::EISCONN);
+ /// `EISDIR`
+ #[cfg(not(windows))]
+ pub const ISDIR: Self = Self(c::EISDIR);
+ /// `EISNAM`
+ #[cfg(not(any(
+ bsd,
+ solarish,
+ windows,
+ target_os = "aix",
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "nto",
+ target_os = "vita",
+ target_os = "wasi",
+ )))]
+ pub const ISNAM: Self = Self(c::EISNAM);
+ /// `EKEYEXPIRED`
+ #[cfg(not(any(
+ bsd,
+ solarish,
+ windows,
+ target_os = "aix",
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "nto",
+ target_os = "vita",
+ target_os = "wasi",
+ )))]
+ pub const KEYEXPIRED: Self = Self(c::EKEYEXPIRED);
+ /// `EKEYREJECTED`
+ #[cfg(not(any(
+ bsd,
+ solarish,
+ windows,
+ target_os = "aix",
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "nto",
+ target_os = "vita",
+ target_os = "wasi",
+ )))]
+ pub const KEYREJECTED: Self = Self(c::EKEYREJECTED);
+ /// `EKEYREVOKED`
+ #[cfg(not(any(
+ bsd,
+ solarish,
+ windows,
+ target_os = "aix",
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "nto",
+ target_os = "vita",
+ target_os = "wasi",
+ )))]
+ pub const KEYREVOKED: Self = Self(c::EKEYREVOKED);
+ /// `EL2HLT`
+ #[cfg(not(any(
+ bsd,
+ windows,
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "vita",
+ target_os = "wasi"
+ )))]
+ pub const L2HLT: Self = Self(c::EL2HLT);
+ /// `EL2NSYNC`
+ #[cfg(not(any(
+ bsd,
+ windows,
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "vita",
+ target_os = "wasi"
+ )))]
+ pub const L2NSYNC: Self = Self(c::EL2NSYNC);
+ /// `EL3HLT`
+ #[cfg(not(any(
+ bsd,
+ windows,
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "vita",
+ target_os = "wasi"
+ )))]
+ pub const L3HLT: Self = Self(c::EL3HLT);
+ /// `EL3RST`
+ #[cfg(not(any(
+ bsd,
+ windows,
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "vita",
+ target_os = "wasi"
+ )))]
+ pub const L3RST: Self = Self(c::EL3RST);
+ /// `ELIBACC`
+ #[cfg(not(any(
+ bsd,
+ windows,
+ target_os = "aix",
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "vita",
+ target_os = "wasi",
+ )))]
+ pub const LIBACC: Self = Self(c::ELIBACC);
+ /// `ELIBBAD`
+ #[cfg(not(any(
+ bsd,
+ windows,
+ target_os = "aix",
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "vita",
+ target_os = "wasi",
+ )))]
+ pub const LIBBAD: Self = Self(c::ELIBBAD);
+ /// `ELIBEXEC`
+ #[cfg(not(any(
+ bsd,
+ windows,
+ target_os = "aix",
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "l4re",
+ target_os = "vita",
+ target_os = "wasi",
+ )))]
+ pub const LIBEXEC: Self = Self(c::ELIBEXEC);
+ /// `ELIBMAX`
+ #[cfg(not(any(
+ bsd,
+ windows,
+ target_os = "aix",
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "vita",
+ target_os = "wasi",
+ )))]
+ pub const LIBMAX: Self = Self(c::ELIBMAX);
+ /// `ELIBSCN`
+ #[cfg(not(any(
+ bsd,
+ windows,
+ target_os = "aix",
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "vita",
+ target_os = "wasi",
+ )))]
+ pub const LIBSCN: Self = Self(c::ELIBSCN);
+ /// `ELNRNG`
+ #[cfg(not(any(
+ bsd,
+ windows,
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "vita",
+ target_os = "wasi"
+ )))]
+ pub const LNRNG: Self = Self(c::ELNRNG);
+ /// `ELOOP`
+ pub const LOOP: Self = Self(c::ELOOP);
+ /// `EMEDIUMTYPE`
+ #[cfg(not(any(
+ bsd,
+ solarish,
+ windows,
+ target_os = "aix",
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "nto",
+ target_os = "vita",
+ target_os = "wasi",
+ )))]
+ pub const MEDIUMTYPE: Self = Self(c::EMEDIUMTYPE);
+ /// `EMFILE`
+ pub const MFILE: Self = Self(c::EMFILE);
+ /// `EMLINK`
+ #[cfg(not(windows))]
+ pub const MLINK: Self = Self(c::EMLINK);
+ /// `EMSGSIZE`
+ #[cfg(not(target_os = "l4re"))]
+ pub const MSGSIZE: Self = Self(c::EMSGSIZE);
+ /// `EMULTIHOP`
+ #[cfg(not(any(windows, target_os = "l4re", target_os = "openbsd")))]
+ pub const MULTIHOP: Self = Self(c::EMULTIHOP);
+ /// `ENAMETOOLONG`
+ pub const NAMETOOLONG: Self = Self(c::ENAMETOOLONG);
+ /// `ENAVAIL`
+ #[cfg(not(any(
+ bsd,
+ solarish,
+ windows,
+ target_os = "aix",
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "nto",
+ target_os = "vita",
+ target_os = "wasi",
+ )))]
+ pub const NAVAIL: Self = Self(c::ENAVAIL);
+ /// `ENEEDAUTH`
+ #[cfg(bsd)]
+ pub const NEEDAUTH: Self = Self(c::ENEEDAUTH);
+ /// `ENETDOWN`
+ pub const NETDOWN: Self = Self(c::ENETDOWN);
+ /// `ENETRESET`
+ #[cfg(not(target_os = "l4re"))]
+ pub const NETRESET: Self = Self(c::ENETRESET);
+ /// `ENETUNREACH`
+ pub const NETUNREACH: Self = Self(c::ENETUNREACH);
+ /// `ENFILE`
+ #[cfg(not(windows))]
+ pub const NFILE: Self = Self(c::ENFILE);
+ /// `ENOANO`
+ #[cfg(not(any(
+ bsd,
+ windows,
+ target_os = "aix",
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "vita",
+ target_os = "wasi",
+ )))]
+ pub const NOANO: Self = Self(c::ENOANO);
+ /// `ENOATTR`
+ #[cfg(any(bsd, target_os = "haiku"))]
+ pub const NOATTR: Self = Self(c::ENOATTR);
+ /// `ENOBUFS`
+ #[cfg(not(target_os = "l4re"))]
+ pub const NOBUFS: Self = Self(c::ENOBUFS);
+ /// `ENOCSI`
+ #[cfg(not(any(
+ bsd,
+ windows,
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "vita",
+ target_os = "wasi"
+ )))]
+ pub const NOCSI: Self = Self(c::ENOCSI);
+ /// `ENODATA`
+ #[cfg(not(any(
+ freebsdlike,
+ windows,
+ target_os = "haiku",
+ target_os = "openbsd",
+ target_os = "wasi",
+ )))]
+ pub const NODATA: Self = Self(c::ENODATA);
+ /// `ENODEV`
+ #[cfg(not(windows))]
+ pub const NODEV: Self = Self(c::ENODEV);
+ /// `ENOENT`
+ #[cfg(not(windows))]
+ pub const NOENT: Self = Self(c::ENOENT);
+ /// `ENOEXEC`
+ #[cfg(not(windows))]
+ pub const NOEXEC: Self = Self(c::ENOEXEC);
+ /// `ENOKEY`
+ #[cfg(not(any(
+ solarish,
+ bsd,
+ windows,
+ target_os = "aix",
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "nto",
+ target_os = "vita",
+ target_os = "wasi",
+ )))]
+ pub const NOKEY: Self = Self(c::ENOKEY);
+ /// `ENOLCK`
+ #[cfg(not(any(windows, target_os = "l4re")))]
+ pub const NOLCK: Self = Self(c::ENOLCK);
+ /// `ENOLINK`
+ #[cfg(not(any(windows, target_os = "l4re", target_os = "openbsd")))]
+ pub const NOLINK: Self = Self(c::ENOLINK);
+ /// `ENOMEDIUM`
+ #[cfg(not(any(
+ bsd,
+ solarish,
+ windows,
+ target_os = "aix",
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "nto",
+ target_os = "vita",
+ target_os = "wasi",
+ )))]
+ pub const NOMEDIUM: Self = Self(c::ENOMEDIUM);
+ /// `ENOMEM`
+ #[cfg(not(windows))]
+ pub const NOMEM: Self = Self(c::ENOMEM);
+ /// `ENOMORE`
+ #[cfg(windows)]
+ pub const NOMORE: Self = Self(c::ENOMORE);
+ /// `ENOMSG`
+ #[cfg(not(any(windows, target_os = "l4re")))]
+ pub const NOMSG: Self = Self(c::ENOMSG);
+ /// `ENONET`
+ #[cfg(not(any(
+ bsd,
+ windows,
+ target_os = "aix",
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "vita",
+ target_os = "wasi",
+ )))]
+ pub const NONET: Self = Self(c::ENONET);
+ /// `ENOPKG`
+ #[cfg(not(any(
+ bsd,
+ windows,
+ target_os = "aix",
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "vita",
+ target_os = "wasi",
+ )))]
+ pub const NOPKG: Self = Self(c::ENOPKG);
+ /// `ENOPROTOOPT`
+ #[cfg(not(target_os = "l4re"))]
+ pub const NOPROTOOPT: Self = Self(c::ENOPROTOOPT);
+ /// `ENOSPC`
+ #[cfg(not(windows))]
+ pub const NOSPC: Self = Self(c::ENOSPC);
+ /// `ENOSR`
+ #[cfg(not(any(
+ freebsdlike,
+ windows,
+ target_os = "haiku",
+ target_os = "l4re",
+ target_os = "openbsd",
+ target_os = "wasi",
+ )))]
+ pub const NOSR: Self = Self(c::ENOSR);
+ /// `ENOSTR`
+ #[cfg(not(any(
+ freebsdlike,
+ windows,
+ target_os = "haiku",
+ target_os = "l4re",
+ target_os = "openbsd",
+ target_os = "wasi",
+ )))]
+ pub const NOSTR: Self = Self(c::ENOSTR);
+ /// `ENOSYS`
+ #[cfg(not(windows))]
+ pub const NOSYS: Self = Self(c::ENOSYS);
+ /// `ENOTBLK`
+ #[cfg(not(any(
+ windows,
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "vita",
+ target_os = "wasi"
+ )))]
+ pub const NOTBLK: Self = Self(c::ENOTBLK);
+ /// `ENOTCAPABLE`
+ #[cfg(any(target_os = "freebsd", target_os = "wasi"))]
+ pub const NOTCAPABLE: Self = Self(c::ENOTCAPABLE);
+ /// `ENOTCONN`
+ pub const NOTCONN: Self = Self(c::ENOTCONN);
+ /// `ENOTDIR`
+ #[cfg(not(windows))]
+ pub const NOTDIR: Self = Self(c::ENOTDIR);
+ /// `ENOTEMPTY`
+ pub const NOTEMPTY: Self = Self(c::ENOTEMPTY);
+ /// `ENOTNAM`
+ #[cfg(not(any(
+ bsd,
+ solarish,
+ windows,
+ target_os = "aix",
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "nto",
+ target_os = "vita",
+ target_os = "wasi",
+ )))]
+ pub const NOTNAM: Self = Self(c::ENOTNAM);
+ /// `ENOTRECOVERABLE`
+ #[cfg(not(any(
+ freebsdlike,
+ netbsdlike,
+ windows,
+ target_os = "haiku",
+ target_os = "l4re"
+ )))]
+ pub const NOTRECOVERABLE: Self = Self(c::ENOTRECOVERABLE);
+ /// `ENOTSOCK`
+ #[cfg(not(target_os = "l4re"))]
+ pub const NOTSOCK: Self = Self(c::ENOTSOCK);
+ /// `ENOTSUP`
+ #[cfg(not(any(windows, target_os = "haiku", target_os = "redox")))]
+ pub const NOTSUP: Self = Self(c::ENOTSUP);
+ /// `ENOTTY`
+ #[cfg(not(windows))]
+ pub const NOTTY: Self = Self(c::ENOTTY);
+ /// `ENOTUNIQ`
+ #[cfg(not(any(
+ bsd,
+ windows,
+ target_os = "aix",
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "vita",
+ target_os = "wasi",
+ )))]
+ pub const NOTUNIQ: Self = Self(c::ENOTUNIQ);
+ /// `ENXIO`
+ #[cfg(not(windows))]
+ pub const NXIO: Self = Self(c::ENXIO);
+ /// `EOPNOTSUPP`
+ pub const OPNOTSUPP: Self = Self(c::EOPNOTSUPP);
+ /// `EOVERFLOW`
+ #[cfg(not(any(windows, target_os = "l4re")))]
+ pub const OVERFLOW: Self = Self(c::EOVERFLOW);
+ /// `EOWNERDEAD`
+ #[cfg(not(any(
+ freebsdlike,
+ netbsdlike,
+ windows,
+ target_os = "haiku",
+ target_os = "l4re"
+ )))]
+ pub const OWNERDEAD: Self = Self(c::EOWNERDEAD);
+ /// `EPERM`
+ #[cfg(not(windows))]
+ pub const PERM: Self = Self(c::EPERM);
+ /// `EPFNOSUPPORT`
+ #[cfg(not(any(target_os = "l4re", target_os = "wasi")))]
+ pub const PFNOSUPPORT: Self = Self(c::EPFNOSUPPORT);
+ /// `EPIPE`
+ #[cfg(not(windows))]
+ pub const PIPE: Self = Self(c::EPIPE);
+ /// `EPROCLIM`
+ #[cfg(bsd)]
+ pub const PROCLIM: Self = Self(c::EPROCLIM);
+ /// `EPROCUNAVAIL`
+ #[cfg(bsd)]
+ pub const PROCUNAVAIL: Self = Self(c::EPROCUNAVAIL);
+ /// `EPROGMISMATCH`
+ #[cfg(bsd)]
+ pub const PROGMISMATCH: Self = Self(c::EPROGMISMATCH);
+ /// `EPROGUNAVAIL`
+ #[cfg(bsd)]
+ pub const PROGUNAVAIL: Self = Self(c::EPROGUNAVAIL);
+ /// `EPROTO`
+ #[cfg(not(any(windows, target_os = "l4re")))]
+ pub const PROTO: Self = Self(c::EPROTO);
+ /// `EPROTONOSUPPORT`
+ #[cfg(not(target_os = "l4re"))]
+ pub const PROTONOSUPPORT: Self = Self(c::EPROTONOSUPPORT);
+ /// `EPROTOTYPE`
+ #[cfg(not(target_os = "l4re"))]
+ pub const PROTOTYPE: Self = Self(c::EPROTOTYPE);
+ /// `EPROVIDERFAILEDINIT`
+ #[cfg(windows)]
+ pub const PROVIDERFAILEDINIT: Self = Self(c::EPROVIDERFAILEDINIT);
+ /// `ERANGE`
+ #[cfg(not(windows))]
+ pub const RANGE: Self = Self(c::ERANGE);
+ /// `EREFUSED`
+ #[cfg(windows)]
+ pub const REFUSED: Self = Self(c::EREFUSED);
+ /// `EREMCHG`
+ #[cfg(not(any(
+ bsd,
+ windows,
+ target_os = "aix",
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "vita",
+ target_os = "wasi",
+ )))]
+ pub const REMCHG: Self = Self(c::EREMCHG);
+ /// `EREMOTE`
+ #[cfg(not(any(
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "l4re",
+ target_os = "vita",
+ target_os = "wasi"
+ )))]
+ pub const REMOTE: Self = Self(c::EREMOTE);
+ /// `EREMOTEIO`
+ #[cfg(not(any(
+ bsd,
+ solarish,
+ windows,
+ target_os = "aix",
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "nto",
+ target_os = "vita",
+ target_os = "wasi",
+ )))]
+ pub const REMOTEIO: Self = Self(c::EREMOTEIO);
+ /// `ERESTART`
+ #[cfg(not(any(
+ bsd,
+ windows,
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "vita",
+ target_os = "wasi"
+ )))]
+ pub const RESTART: Self = Self(c::ERESTART);
+ /// `ERFKILL`
+ #[cfg(not(any(
+ bsd,
+ solarish,
+ windows,
+ target_os = "aix",
+ target_os = "android",
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "nto",
+ target_os = "redox",
+ target_os = "vita",
+ target_os = "wasi",
+ )))]
+ pub const RFKILL: Self = Self(c::ERFKILL);
+ /// `EROFS`
+ #[cfg(not(windows))]
+ pub const ROFS: Self = Self(c::EROFS);
+ /// `ERPCMISMATCH`
+ #[cfg(bsd)]
+ pub const RPCMISMATCH: Self = Self(c::ERPCMISMATCH);
+ /// `ESHUTDOWN`
+ #[cfg(not(any(
+ target_os = "espidf",
+ target_os = "l4re",
+ target_os = "vita",
+ target_os = "wasi"
+ )))]
+ pub const SHUTDOWN: Self = Self(c::ESHUTDOWN);
+ /// `ESOCKTNOSUPPORT`
+ #[cfg(not(any(
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "l4re",
+ target_os = "vita",
+ target_os = "wasi"
+ )))]
+ pub const SOCKTNOSUPPORT: Self = Self(c::ESOCKTNOSUPPORT);
+ /// `ESPIPE`
+ #[cfg(not(windows))]
+ pub const SPIPE: Self = Self(c::ESPIPE);
+ /// `ESRCH`
+ #[cfg(not(windows))]
+ pub const SRCH: Self = Self(c::ESRCH);
+ /// `ESRMNT`
+ #[cfg(not(any(
+ bsd,
+ windows,
+ target_os = "aix",
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "vita",
+ target_os = "wasi",
+ )))]
+ pub const SRMNT: Self = Self(c::ESRMNT);
+ /// `ESTALE`
+ pub const STALE: Self = Self(c::ESTALE);
+ /// `ESTRPIPE`
+ #[cfg(not(any(
+ bsd,
+ windows,
+ target_os = "aix",
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "vita",
+ target_os = "wasi",
+ )))]
+ pub const STRPIPE: Self = Self(c::ESTRPIPE);
+ /// `ETIME`
+ #[cfg(not(any(
+ freebsdlike,
+ windows,
+ target_os = "l4re",
+ target_os = "openbsd",
+ target_os = "wasi"
+ )))]
+ pub const TIME: Self = Self(c::ETIME);
+ /// `ETIMEDOUT`
+ pub const TIMEDOUT: Self = Self(c::ETIMEDOUT);
+ /// `E2BIG`
+ #[cfg(not(windows))]
+ #[doc(alias = "2BIG")]
+ pub const TOOBIG: Self = Self(c::E2BIG);
+ /// `ETOOMANYREFS`
+ #[cfg(not(any(target_os = "haiku", target_os = "l4re", target_os = "wasi")))]
+ pub const TOOMANYREFS: Self = Self(c::ETOOMANYREFS);
+ /// `ETXTBSY`
+ #[cfg(not(windows))]
+ pub const TXTBSY: Self = Self(c::ETXTBSY);
+ /// `EUCLEAN`
+ #[cfg(not(any(
+ bsd,
+ solarish,
+ windows,
+ target_os = "aix",
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "nto",
+ target_os = "vita",
+ target_os = "wasi",
+ )))]
+ pub const UCLEAN: Self = Self(c::EUCLEAN);
+ /// `EUNATCH`
+ #[cfg(not(any(
+ bsd,
+ windows,
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "vita",
+ target_os = "wasi"
+ )))]
+ pub const UNATCH: Self = Self(c::EUNATCH);
+ /// `EUSERS`
+ #[cfg(not(any(
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "l4re",
+ target_os = "vita",
+ target_os = "wasi"
+ )))]
+ pub const USERS: Self = Self(c::EUSERS);
+ /// `EWOULDBLOCK`
+ pub const WOULDBLOCK: Self = Self(c::EWOULDBLOCK);
+ /// `EXDEV`
+ #[cfg(not(windows))]
+ pub const XDEV: Self = Self(c::EXDEV);
+ /// `EXFULL`
+ #[cfg(not(any(
+ bsd,
+ windows,
+ target_os = "aix",
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "hurd",
+ target_os = "l4re",
+ target_os = "vita",
+ target_os = "wasi",
+ )))]
+ pub const XFULL: Self = Self(c::EXFULL);
+}
+
+impl Errno {
+ /// Extract an `Errno` value from a `std::io::Error`.
+ ///
+ /// This isn't a `From` conversion because it's expected to be relatively
+ /// uncommon.
+ #[cfg(feature = "std")]
+ #[inline]
+ pub fn from_io_error(io_err: &std::io::Error) -> Option<Self> {
+ io_err
+ .raw_os_error()
+ .and_then(|raw| if raw != 0 { Some(Self(raw)) } else { None })
+ }
+
+ /// Extract the raw OS error number from this error.
+ #[inline]
+ pub const fn raw_os_error(self) -> i32 {
+ self.0
+ }
+
+ /// Construct an `Errno` from a raw OS error number.
+ #[inline]
+ pub const fn from_raw_os_error(raw: i32) -> Self {
+ Self(raw)
+ }
+
+ pub(crate) fn last_os_error() -> Self {
+ Self(errno().0)
+ }
+}
diff --git a/vendor/rustix/src/backend/libc/io/mod.rs b/vendor/rustix/src/backend/libc/io/mod.rs
new file mode 100644
index 0000000..4873885
--- /dev/null
+++ b/vendor/rustix/src/backend/libc/io/mod.rs
@@ -0,0 +1,6 @@
+pub(crate) mod errno;
+#[cfg(not(windows))]
+pub(crate) mod types;
+
+#[cfg_attr(windows, path = "windows_syscalls.rs")]
+pub(crate) mod syscalls;
diff --git a/vendor/rustix/src/backend/libc/io/syscalls.rs b/vendor/rustix/src/backend/libc/io/syscalls.rs
new file mode 100644
index 0000000..e28e6be
--- /dev/null
+++ b/vendor/rustix/src/backend/libc/io/syscalls.rs
@@ -0,0 +1,340 @@
+//! libc syscalls supporting `rustix::io`.
+
+use crate::backend::c;
+#[cfg(not(target_os = "wasi"))]
+use crate::backend::conv::ret_discarded_fd;
+use crate::backend::conv::{borrowed_fd, ret, ret_c_int, ret_owned_fd, ret_usize};
+use crate::fd::{AsFd, BorrowedFd, OwnedFd, RawFd};
+#[cfg(not(any(
+ target_os = "aix",
+ target_os = "espidf",
+ target_os = "nto",
+ target_os = "vita",
+ target_os = "wasi"
+)))]
+use crate::io::DupFlags;
+#[cfg(linux_kernel)]
+use crate::io::ReadWriteFlags;
+use crate::io::{self, FdFlags};
+use crate::ioctl::{IoctlOutput, RawOpcode};
+use core::cmp::min;
+#[cfg(all(feature = "fs", feature = "net"))]
+use libc_errno::errno;
+#[cfg(not(target_os = "espidf"))]
+use {
+ crate::backend::MAX_IOV,
+ crate::io::{IoSlice, IoSliceMut},
+};
+
+pub(crate) unsafe fn read(fd: BorrowedFd<'_>, buf: *mut u8, len: usize) -> io::Result<usize> {
+ ret_usize(c::read(borrowed_fd(fd), buf.cast(), min(len, READ_LIMIT)))
+}
+
+pub(crate) fn write(fd: BorrowedFd<'_>, buf: &[u8]) -> io::Result<usize> {
+ unsafe {
+ ret_usize(c::write(
+ borrowed_fd(fd),
+ buf.as_ptr().cast(),
+ min(buf.len(), READ_LIMIT),
+ ))
+ }
+}
+
+pub(crate) unsafe fn pread(
+ fd: BorrowedFd<'_>,
+ buf: *mut u8,
+ len: usize,
+ offset: u64,
+) -> io::Result<usize> {
+ let len = min(len, READ_LIMIT);
+
+ // Silently cast; we'll get `EINVAL` if the value is negative.
+ let offset = offset as i64;
+
+ // ESP-IDF and Vita don't support 64-bit offsets.
+ #[cfg(any(target_os = "espidf", target_os = "vita"))]
+ let offset: i32 = offset.try_into().map_err(|_| io::Errno::OVERFLOW)?;
+
+ ret_usize(c::pread(borrowed_fd(fd), buf.cast(), len, offset))
+}
+
+pub(crate) fn pwrite(fd: BorrowedFd<'_>, buf: &[u8], offset: u64) -> io::Result<usize> {
+ let len = min(buf.len(), READ_LIMIT);
+
+ // Silently cast; we'll get `EINVAL` if the value is negative.
+ let offset = offset as i64;
+
+ // ESP-IDF and Vita don't support 64-bit offsets.
+ #[cfg(any(target_os = "espidf", target_os = "vita"))]
+ let offset: i32 = offset.try_into().map_err(|_| io::Errno::OVERFLOW)?;
+
+ unsafe { ret_usize(c::pwrite(borrowed_fd(fd), buf.as_ptr().cast(), len, offset)) }
+}
+
+#[cfg(not(target_os = "espidf"))]
+pub(crate) fn readv(fd: BorrowedFd<'_>, bufs: &mut [IoSliceMut<'_>]) -> io::Result<usize> {
+ unsafe {
+ ret_usize(c::readv(
+ borrowed_fd(fd),
+ bufs.as_ptr().cast::<c::iovec>(),
+ min(bufs.len(), MAX_IOV) as c::c_int,
+ ))
+ }
+}
+
+#[cfg(not(target_os = "espidf"))]
+pub(crate) fn writev(fd: BorrowedFd<'_>, bufs: &[IoSlice<'_>]) -> io::Result<usize> {
+ unsafe {
+ ret_usize(c::writev(
+ borrowed_fd(fd),
+ bufs.as_ptr().cast::<c::iovec>(),
+ min(bufs.len(), MAX_IOV) as c::c_int,
+ ))
+ }
+}
+
+#[cfg(not(any(
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "nto",
+ target_os = "redox",
+ target_os = "solaris",
+ target_os = "vita"
+)))]
+pub(crate) fn preadv(
+ fd: BorrowedFd<'_>,
+ bufs: &mut [IoSliceMut<'_>],
+ offset: u64,
+) -> io::Result<usize> {
+ // Silently cast; we'll get `EINVAL` if the value is negative.
+ let offset = offset as i64;
+ unsafe {
+ ret_usize(c::preadv(
+ borrowed_fd(fd),
+ bufs.as_ptr().cast::<c::iovec>(),
+ min(bufs.len(), MAX_IOV) as c::c_int,
+ offset,
+ ))
+ }
+}
+
+#[cfg(not(any(
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "nto",
+ target_os = "redox",
+ target_os = "solaris",
+ target_os = "vita"
+)))]
+pub(crate) fn pwritev(fd: BorrowedFd<'_>, bufs: &[IoSlice<'_>], offset: u64) -> io::Result<usize> {
+ // Silently cast; we'll get `EINVAL` if the value is negative.
+ let offset = offset as i64;
+ unsafe {
+ ret_usize(c::pwritev(
+ borrowed_fd(fd),
+ bufs.as_ptr().cast::<c::iovec>(),
+ min(bufs.len(), MAX_IOV) as c::c_int,
+ offset,
+ ))
+ }
+}
+
+#[cfg(linux_kernel)]
+pub(crate) fn preadv2(
+ fd: BorrowedFd<'_>,
+ bufs: &mut [IoSliceMut<'_>],
+ offset: u64,
+ flags: ReadWriteFlags,
+) -> io::Result<usize> {
+ // Silently cast; we'll get `EINVAL` if the value is negative.
+ let offset = offset as i64;
+ unsafe {
+ ret_usize(c::preadv2(
+ borrowed_fd(fd),
+ bufs.as_ptr().cast::<c::iovec>(),
+ min(bufs.len(), MAX_IOV) as c::c_int,
+ offset,
+ bitflags_bits!(flags),
+ ))
+ }
+}
+
+#[cfg(linux_kernel)]
+pub(crate) fn pwritev2(
+ fd: BorrowedFd<'_>,
+ bufs: &[IoSlice<'_>],
+ offset: u64,
+ flags: ReadWriteFlags,
+) -> io::Result<usize> {
+ // Silently cast; we'll get `EINVAL` if the value is negative.
+ let offset = offset as i64;
+ unsafe {
+ ret_usize(c::pwritev2(
+ borrowed_fd(fd),
+ bufs.as_ptr().cast::<c::iovec>(),
+ min(bufs.len(), MAX_IOV) as c::c_int,
+ offset,
+ bitflags_bits!(flags),
+ ))
+ }
+}
+
+// These functions are derived from Rust's library/std/src/sys/unix/fd.rs at
+// revision 326ef470a8b379a180d6dc4bbef08990698a737a.
+
+// The maximum read limit on most POSIX-like systems is `SSIZE_MAX`, with the
+// manual page quoting that if the count of bytes to read is greater than
+// `SSIZE_MAX` the result is “unspecified”.
+//
+// On macOS, however, apparently the 64-bit libc is either buggy or
+// intentionally showing odd behavior by rejecting any read with a size larger
+// than or equal to `INT_MAX`. To handle both of these the read size is capped
+// on both platforms.
+#[cfg(target_os = "macos")]
+const READ_LIMIT: usize = c::c_int::MAX as usize - 1;
+#[cfg(not(target_os = "macos"))]
+const READ_LIMIT: usize = c::ssize_t::MAX as usize;
+
+pub(crate) unsafe fn close(raw_fd: RawFd) {
+ let _ = c::close(raw_fd as c::c_int);
+}
+
+#[inline]
+pub(crate) unsafe fn ioctl(
+ fd: BorrowedFd<'_>,
+ request: RawOpcode,
+ arg: *mut c::c_void,
+) -> io::Result<IoctlOutput> {
+ ret_c_int(c::ioctl(borrowed_fd(fd), request, arg))
+}
+
+#[inline]
+pub(crate) unsafe fn ioctl_readonly(
+ fd: BorrowedFd<'_>,
+ request: RawOpcode,
+ arg: *mut c::c_void,
+) -> io::Result<IoctlOutput> {
+ ioctl(fd, request, arg)
+}
+
+#[cfg(not(any(target_os = "redox", target_os = "wasi")))]
+#[cfg(all(feature = "fs", feature = "net"))]
+pub(crate) fn is_read_write(fd: BorrowedFd<'_>) -> io::Result<(bool, bool)> {
+ use core::mem::MaybeUninit;
+
+ let (mut read, mut write) = crate::fs::fd::_is_file_read_write(fd)?;
+ let mut not_socket = false;
+ if read {
+ // Do a `recv` with `PEEK` and `DONTWAIT` for 1 byte. A 0 indicates
+ // the read side is shut down; an `EWOULDBLOCK` indicates the read
+ // side is still open.
+ match unsafe {
+ c::recv(
+ borrowed_fd(fd),
+ MaybeUninit::<[u8; 1]>::uninit()
+ .as_mut_ptr()
+ .cast::<c::c_void>(),
+ 1,
+ c::MSG_PEEK | c::MSG_DONTWAIT,
+ )
+ } {
+ 0 => read = false,
+ -1 => {
+ #[allow(unreachable_patterns)] // `EAGAIN` may equal `EWOULDBLOCK`
+ match errno().0 {
+ c::EAGAIN | c::EWOULDBLOCK => (),
+ c::ENOTSOCK => not_socket = true,
+ err => return Err(io::Errno(err)),
+ }
+ }
+ _ => (),
+ }
+ }
+ if write && !not_socket {
+ // Do a `send` with `DONTWAIT` for 0 bytes. An `EPIPE` indicates
+ // the write side is shut down.
+ if unsafe { c::send(borrowed_fd(fd), [].as_ptr(), 0, c::MSG_DONTWAIT) } == -1 {
+ #[allow(unreachable_patterns)] // `EAGAIN` may equal `EWOULDBLOCK`
+ match errno().0 {
+ c::EAGAIN | c::EWOULDBLOCK | c::ENOTSOCK => (),
+ c::EPIPE => write = false,
+ err => return Err(io::Errno(err)),
+ }
+ }
+ }
+ Ok((read, write))
+}
+
+#[cfg(target_os = "wasi")]
+#[cfg(all(feature = "fs", feature = "net"))]
+pub(crate) fn is_read_write(_fd: BorrowedFd<'_>) -> io::Result<(bool, bool)> {
+ todo!("Implement is_read_write for WASI in terms of fd_fdstat_get");
+}
+
+pub(crate) fn fcntl_getfd(fd: BorrowedFd<'_>) -> io::Result<FdFlags> {
+ let flags = unsafe { ret_c_int(c::fcntl(borrowed_fd(fd), c::F_GETFD))? };
+ Ok(FdFlags::from_bits_retain(bitcast!(flags)))
+}
+
+pub(crate) fn fcntl_setfd(fd: BorrowedFd<'_>, flags: FdFlags) -> io::Result<()> {
+ unsafe { ret(c::fcntl(borrowed_fd(fd), c::F_SETFD, flags.bits())) }
+}
+
+#[cfg(not(any(target_os = "espidf", target_os = "wasi")))]
+pub(crate) fn fcntl_dupfd_cloexec(fd: BorrowedFd<'_>, min: RawFd) -> io::Result<OwnedFd> {
+ unsafe { ret_owned_fd(c::fcntl(borrowed_fd(fd), c::F_DUPFD_CLOEXEC, min)) }
+}
+
+#[cfg(target_os = "espidf")]
+pub(crate) fn fcntl_dupfd(fd: BorrowedFd<'_>, min: RawFd) -> io::Result<OwnedFd> {
+ unsafe { ret_owned_fd(c::fcntl(borrowed_fd(fd), c::F_DUPFD, min)) }
+}
+
+#[cfg(not(target_os = "wasi"))]
+pub(crate) fn dup(fd: BorrowedFd<'_>) -> io::Result<OwnedFd> {
+ unsafe { ret_owned_fd(c::dup(borrowed_fd(fd))) }
+}
+
+#[allow(clippy::needless_pass_by_ref_mut)]
+#[cfg(not(target_os = "wasi"))]
+pub(crate) fn dup2(fd: BorrowedFd<'_>, new: &mut OwnedFd) -> io::Result<()> {
+ unsafe { ret_discarded_fd(c::dup2(borrowed_fd(fd), borrowed_fd(new.as_fd()))) }
+}
+
+#[allow(clippy::needless_pass_by_ref_mut)]
+#[cfg(not(any(
+ apple,
+ target_os = "aix",
+ target_os = "android",
+ target_os = "dragonfly",
+ target_os = "espidf",
+ target_os = "haiku",
+ target_os = "nto",
+ target_os = "redox",
+ target_os = "vita",
+ target_os = "wasi",
+)))]
+pub(crate) fn dup3(fd: BorrowedFd<'_>, new: &mut OwnedFd, flags: DupFlags) -> io::Result<()> {
+ unsafe {
+ ret_discarded_fd(c::dup3(
+ borrowed_fd(fd),
+ borrowed_fd(new.as_fd()),
+ bitflags_bits!(flags),
+ ))
+ }
+}
+
+#[cfg(any(
+ apple,
+ target_os = "android",
+ target_os = "dragonfly",
+ target_os = "haiku",
+ target_os = "redox",
+))]
+pub(crate) fn dup3(fd: BorrowedFd<'_>, new: &mut OwnedFd, _flags: DupFlags) -> io::Result<()> {
+ // Android 5.0 has `dup3`, but libc doesn't have bindings. Emulate it
+ // using `dup2`. We don't need to worry about the difference between
+ // `dup2` and `dup3` when the file descriptors are equal because we
+ // have an `&mut OwnedFd` which means `fd` doesn't alias it.
+ dup2(fd, new)
+}
diff --git a/vendor/rustix/src/backend/libc/io/types.rs b/vendor/rustix/src/backend/libc/io/types.rs
new file mode 100644
index 0000000..510206f
--- /dev/null
+++ b/vendor/rustix/src/backend/libc/io/types.rs
@@ -0,0 +1,65 @@
+use crate::backend::c;
+use bitflags::bitflags;
+
+bitflags! {
+ /// `FD_*` constants for use with [`fcntl_getfd`] and [`fcntl_setfd`].
+ ///
+ /// [`fcntl_getfd`]: crate::io::fcntl_getfd
+ /// [`fcntl_setfd`]: crate::io::fcntl_setfd
+ #[repr(transparent)]
+ #[derive(Copy, Clone, Eq, PartialEq, Hash, Debug)]
+ pub struct FdFlags: u32 {
+ /// `FD_CLOEXEC`
+ const CLOEXEC = bitcast!(c::FD_CLOEXEC);
+
+ /// <https://docs.rs/bitflags/*/bitflags/#externally-defined-flags>
+ const _ = !0;
+ }
+}
+
+#[cfg(linux_kernel)]
+bitflags! {
+ /// `RWF_*` constants for use with [`preadv2`] and [`pwritev2`].
+ ///
+ /// [`preadv2`]: crate::io::preadv2
+ /// [`pwritev2`]: crate::io::pwritev
+ #[repr(transparent)]
+ #[derive(Copy, Clone, Eq, PartialEq, Hash, Debug)]
+ pub struct ReadWriteFlags: u32 {
+ /// `RWF_DSYNC` (since Linux 4.7)
+ const DSYNC = linux_raw_sys::general::RWF_DSYNC;
+ /// `RWF_HIPRI` (since Linux 4.6)
+ const HIPRI = linux_raw_sys::general::RWF_HIPRI;
+ /// `RWF_SYNC` (since Linux 4.7)
+ const SYNC = linux_raw_sys::general::RWF_SYNC;
+ /// `RWF_NOWAIT` (since Linux 4.14)
+ const NOWAIT = linux_raw_sys::general::RWF_NOWAIT;
+ /// `RWF_APPEND` (since Linux 4.16)
+ const APPEND = linux_raw_sys::general::RWF_APPEND;
+
+ /// <https://docs.rs/bitflags/*/bitflags/#externally-defined-flags>
+ const _ = !0;
+ }
+}
+
+#[cfg(not(target_os = "wasi"))]
+bitflags! {
+ /// `O_*` constants for use with [`dup2`].
+ ///
+ /// [`dup2`]: crate::io::dup2
+ #[repr(transparent)]
+ #[derive(Copy, Clone, Eq, PartialEq, Hash, Debug)]
+ pub struct DupFlags: u32 {
+ /// `O_CLOEXEC`
+ #[cfg(not(any(
+ apple,
+ target_os = "aix",
+ target_os = "android",
+ target_os = "redox",
+ )))] // Android 5.0 has dup3, but libc doesn't have bindings
+ const CLOEXEC = bitcast!(c::O_CLOEXEC);
+
+ /// <https://docs.rs/bitflags/*/bitflags/#externally-defined-flags>
+ const _ = !0;
+ }
+}
diff --git a/vendor/rustix/src/backend/libc/io/windows_syscalls.rs b/vendor/rustix/src/backend/libc/io/windows_syscalls.rs
new file mode 100644
index 0000000..049221d
--- /dev/null
+++ b/vendor/rustix/src/backend/libc/io/windows_syscalls.rs
@@ -0,0 +1,30 @@
+//! Windows system calls in the `io` module.
+
+use crate::backend::c;
+use crate::backend::conv::{borrowed_fd, ret_c_int};
+use crate::backend::fd::LibcFd;
+use crate::fd::{BorrowedFd, RawFd};
+use crate::io;
+use crate::ioctl::{IoctlOutput, RawOpcode};
+
+pub(crate) unsafe fn close(raw_fd: RawFd) {
+ let _ = c::close(raw_fd as LibcFd);
+}
+
+#[inline]
+pub(crate) unsafe fn ioctl(
+ fd: BorrowedFd<'_>,
+ request: RawOpcode,
+ arg: *mut c::c_void,
+) -> io::Result<IoctlOutput> {
+ ret_c_int(c::ioctl(borrowed_fd(fd), request, arg.cast()))
+}
+
+#[inline]
+pub(crate) unsafe fn ioctl_readonly(
+ fd: BorrowedFd<'_>,
+ request: RawOpcode,
+ arg: *mut c::c_void,
+) -> io::Result<IoctlOutput> {
+ ioctl(fd, request, arg)
+}
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