Update Rust crate nix to 0.29.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
nix	dependencies	minor	0.26.2 -> 0.29.0

---

Release Notes

nix-rust/nix (nix)

v0.29.0

Compare Source

Added

• Add getregset()/setregset() for Linux/glibc/x86/x86_64/aarch64/riscv64 and
  getregs()/setregs() for Linux/glibc/aarch64/riscv64
  (#​2044)
• Add socket option Ipv6Ttl for apple targets.
  (#​2287)
• Add socket option UtunIfname.
  (#​2325)
• make SigAction repr(transparent) & can be converted to the libc raw type
  (#​2326)
• Add From trait implementation for conversions between sockaddr_in and
  SockaddrIn, sockaddr_in6 and SockaddrIn6
  (#​2328)
• Add socket option ReusePortLb for FreeBSD.
  (#​2332)
• Added support for openat2 on linux.
  (#​2339)
• Add if_indextoname function.
  (#​2340)
• Add mount and unmount API for apple targets.
  (#​2347)
• Added _PC_MIN_HOLE_SIZE for pathconf and fpathconf.
  (#​2349)
• Added impl AsFd for pty::PtyMaster
  (#​2355)
• Add open flag O_SEARCH to AIX, Empscripten, FreeBSD, Fuchsia, solarish,
  WASI (#​2374)
• Add prctl function prctl_set_vma_anon_name for Linux/Android.
  (#​2378)
• Add sync(2) for apple_targets/solarish/haiku/aix/hurd, syncfs(2) for
  hurd and fdatasync(2) for aix/hurd
  (#​2379)
• Add fdatasync support for Apple targets.
  (#​2380)
• Add fcntl::OFlag::O_PATH for FreeBSD and Fuchsia
  (#​2382)
• Added PathconfVar::MIN_HOLE_SIZE for apple_targets.
  (#​2388)
• Add open flag O_SEARCH to apple_targets
  (#​2391)
• O_DSYNC may now be used with aio_fsync and fcntl on FreeBSD.
  (#​2404)
• Added Flock::relock for upgrading and downgrading locks.
  (#​2407)

Changed

• Change the ForkptyResult type to the following repr so that the
  uninitialized
  master field won't be accessed in the child process:

  pub enum ForkptyResult {
      Parent {
          child: Pid,
          master: OwnedFd,
      },
      Child,
  }
  ``` ([#​2315](https://redirect.github.com/nix-rust/nix/pull/2315))

• Updated cfg_aliases dependency from version 0.1 to 0.2
  (#​2322)

• Change the signature of ptrace::write and ptrace::write_user to make them
  safe (#​2324)

• Allow use of SignalFd through shared reference

  Like with many other file descriptors, concurrent use of signalfds is safe.
  Changing the signal mask of and reading signals from a signalfd can now be
  done
  with the SignalFd API even if other references to it exist.
  (#​2367)

• Changed tee, splice and vmsplice RawFd arguments to AsFd.
  (#​2387)

• Added I/O safety to the sys/aio module. Most functions that previously
  accepted a AsRawFd argument now accept an AsFd instead.
  (#​2401)

• RecvMsg::cmsgs() now returns a Result, and checks that cmsgs were not
  truncated. (#​2413)

Fixed

• No longer panics when the fanotify queue overflows.
  (#​2399)
• Fixed ControlMessageOwned::UdpGroSegments wrapped type from u16 to i32 to
  reflect the used kernel's one.
  (#​2406)

v0.28.0

Compare Source

Added

• Added mkdtemp wrapper (#​1297)

• Add associated constants UTIME_OMIT UTIME_NOW for TimeSpec
  (#​1879)

• Added EventFd type. (#​1945)

• • Added impl From<Signal> for SigSet.
  • Added impl std::ops::BitOr for SigSet.
  • Added impl std::ops::BitOr for Signal.
  • Added impl std::ops::BitOr<Signal> for SigSet

  (#​1959)

• Added TlsGetRecordType control message type and corresponding enum for
  linux (#​2065)

• Added Ipv6HopLimit to ::nix::sys::socket::ControlMessage for Linux,
  MacOS, FreeBSD, DragonflyBSD, Android, iOS and Haiku.
  (#​2074)

• Added Icmp and IcmpV6 to SockProtocol
  (#​2103)

• Added rfork support for FreeBSD in unistd
  (#​2121)

• Added MapFlags::map_hugetlb_with_size_log2 method for Linux targets
  (#​2125)

• Added mmap_anonymous function
  (#​2127)

• Added mips32r6 and mips64r6 support for signal, ioctl and ptrace
  (#​2138)

• Added F_GETPATH FcntlFlags entry on Apple/NetBSD/DragonflyBSD for
  ::nix::fcntl. (#​2142)

• Added F_KINFO FcntlFlags entry on FreeBSD for ::nix::fcntl.
  (#​2152)

• Added F_GETPATH_NOFIRMLINK and F_BARRIERFSYNC FcntlFlags entry
  on Apple for ::nix::fcntl.
  (#​2155)

• Added newtype Flock to automatically unlock a held flock upon drop.
  Added Flockable trait to represent valid types for Flock.
  (#​2170)

• Added SetSockOpt impls to enable Linux Kernel TLS on a TCP socket and to
  import TLS parameters. (#​2175)

• • Added the ::nix::sys::socket::SocketTimestamp enum for configuring the
    TsClock (a.k.a SO_TS_CLOCK) sockopt
  • Added FreeBSD's ScmRealtime and ScmMonotonic as new options in
    ::nix::sys::socket::ControlMessageOwned

  (#​2187)

• Added new fanotify API: wrappers for fanotify_init and fanotify_mark
  (#​2194)

• Added SpecialCharacterindices support for haiku.
  (#​2195)

• Added sys::sendfile support for solaris/illumos.
  (#​2198)

• impl Display for InterfaceFlags
  (#​2206)

• Added sendfilev in sys::sendfile for solarish
  (#​2207)

• Added fctrl::SealFlag::F_SEAL_FUTURE_WRITE
  (#​2213)

• Added Ipv6MulticastHops as socket option to set and read.
  (#​2234)

• Enable ControlMessageOwned::Ipv4RecvIf and
  ControlMessageOwned::Ipv4RecvDstAddr for DragonFlyBSD
  (#​2240)

• ClockId::set_time() and time::clock_settime() are now enabled on macOS
  (#​2241)

• Added IpBindAddressNoPort sockopt to support IP_BIND_ADDRESS_NO_PORT
  available on linux. (#​2244)

• Enable MapFlags::map_hugetlb_with_size_log2 method for Android/Fuchsia
  (#​2245)

• Added TcpFastOpenConnect sockopt to support TCP_FASTOPEN_CONNECT
  available on linux. (#​2247)

• Add reboot(2) for OpenBSD/NetBSD
  (#​2251)

• Added new MemFdCreateFlag constants to sys::memfd on Linux and Android
  related to hugetlbfs support.
  (#​2252)

• Expose the inner fd of Kqueue through:

  • impl AsFd for Kqueue
  • impl From<Kqueue> for OwnedFd

  (#​2258)

• Added sys::eventfd support on FreeBSD
  (#​2259)

• Added MmapFlags::MAP_FIXED constant in sys::mman for netbsd and openbsd
  (#​2260)

• Added the SO_LISTENQLIMIT sockopt.
  (#​2263)

• Enable the AT_EMPTY_PATH flag for the fchownat() function
  (#​2267)

• Add AtFlags::AT_EMPTY_PATH for FreeBSD and Hurd
  (#​2270)

• Enable `OFlag::O_DIRECTORY for Solarish
  (#​2275)

• Added the Backlog wrapper type for the listen call.
  (#​2276)

• Add clock_nanosleep() (#​2277)

• Enabled O_DIRECT in fcntl::OFlags for solarish
  (#​2278)

• Added a new API sigsuspend.
  (#​2279)

• • Added errno::Errno::set function
  • Added errno::Errno::set_raw function
  • Added errno::Errno::last_raw function
  • Added errno::Errno::from_raw function

  (#​2283)

• Enable the AT_EMPTY_PATH flag for the linkat() function
  (#​2284)

• Enable unistd::{sync, syncfs} for Android
  (#​2296)

Changed

• poll now takes PollTimeout replacing libc::c_int.
  (#​1876)

• Deprecated sys::eventfd::eventfd.
  (#​1945)

• mmap, mmap_anonymous, munmap, mremap, madvise, msync, mprotect,
  munlock and mlock updated to use NonNull.
  (#​2000)

• mmap function now accepts F instead of Option<F>
  (#​2127)

• PollFd::new now takes a BorrowedFd argument, with relaxed lifetime
  requirements relative to the previous version.
  (#​2134)

• FdSet::{insert, remove, contains} now take BorrowedFd arguments, and have
  relaxed lifetime requirements relative to 0.27.1.
  (#​2136)

• The following APIs now take an implementation of AsFd rather than a
  RawFd:

  • unistd::tcgetpgrp
  • unistd::tcsetpgrp
  • unistd::fpathconf
  • unistd::ttyname
  • unistd::getpeereid (#​2137)

• Changed openat() and Dir::openat(), now take optional dirfds
  (#​2139)

• The MSRV is now 1.69 (#​2144)

• Changed function SockaddrIn::ip() to return net::Ipv4Addr and refactored
  SocketAddrV6::ip() to be const
  (#​2151)

• The following APIs now take optional dirfds:

  • readlinkat()
  • fstatat()
  • mknodat()
  • mkdirat()
  • execveat()

  (#​2157)

• Epoll::wait now takes EpollTimeout replacing isize.
  (#​2202)

• • Deprecated errno::errno() function (use Errno::last_raw())
  • Deprecated errno::from_i32() function (use Errno::from_raw())
  • Deprecated errno::Errno::from_i32() function (use Errno::from_raw())

  (#​2283)

Fixed

• Fix SigSet incorrect implementation of Eq, PartialEq and Hash
  (#​1946)
• Fixed ::sys::socket::sockopt::IpMulticastTtl by fixing the value of optlen
  passed to libc::setsockopt and added tests.
  (#​2072)
• Fixed the function signature of recvmmsg, potentially causing UB
  (#​2119)
• Fix SignalFd::set_mask. In 0.27.0 it would actually close the file
  descriptor. (#​2141)
• Fixed UnixAddr::new for haiku, it did not record the sun_len value as
  needed.
  Fixed sys::socket::addr::from_raw_parts and
  sys::socket::Sockaddrlike::len build for solaris.
  (#​2242)
• Fixed solaris build globally.
  (#​2248)
• Changed the dup3 wrapper to perform a real call to dup3 instead of
  emulating it via dup2 and fcntl to get rid of race condition
  (#​2268)
• Fixed ::unistd::Group::members using read_unaligned to avoid crash on
  misaligned pointers (#​2311)

Removed

• The FchownatFlags type has been deprecated, please use AtFlags instead.
  (#​2267)
• Removed the dup3 wrapper on macOS, which was emulated via dup2 and
  fcntl and could cause a race condition. The dup3 system call is not
  supported on macOS. (#​2268)
• The LinkatFlags type has been deprecated, please use AtFlags instead.
  (#​2284)

v0.27.1

Compare Source

Fixed

• Fixed generating the documentation on docs.rs.
  (#​2111)

v0.27.0

Compare Source

Added

• Added AT_EACCESS to AtFlags on all platforms but android
  (#​1995)
• Add PF_ROUTE to SockType on macOS, iOS, all of the BSDs, Fuchsia, Haiku, Illumos.
  (#​1867)
• Added nix::ucontext module on aarch64-unknown-linux-gnu.
  (#1662)
• Added CanRaw to SockProtocol and CanBcm as a separate SocProtocol constant.
  (#​1912)
• Added Generic and NFLOG to SockProtocol.
  (#​2092)
• Added mq_timedreceive to ::nix::mqueue.
  ([#​1966])(https://github.com/nix-rust/nix/pull/1966)
• Added LocalPeerPid to nix::sys::socket::sockopt for macOS. (#​1967)
• Added TFD_TIMER_CANCEL_ON_SET to ::nix::sys::time::TimerSetTimeFlags on Linux and Android.
  (#​2040)
• Added SOF_TIMESTAMPING_OPT_ID and SOF_TIMESTAMPING_OPT_TSONLY to nix::sys::socket::TimestampingFlag.
  (#​2048)
• Enabled socket timestamping options on Android. (#​2077)
• Added vsock support for macOS (#​2056)
• Added SO_SETFIB and SO_USER_COOKIE to nix::sys::socket::sockopt for FreeBSD.
  (#​2085)
• Added SO_RTABLE for OpenBSD and SO_ACCEPTFILTER for FreeBSD/NetBSD to nix::sys::socket::sockopt.
  (#​2085)
• Added MSG_WAITFORONE to MsgFlags on Android, Fuchsia, Linux, NetBSD,
  FreeBSD, OpenBSD, and Solaris.
  (#​2014)
• Added SO_TS_CLOCK for FreeBSD to nix::sys::socket::sockopt.
  (#​2093)
• Added support for prctl in Linux.
  (#1550)
• nix::socket and nix::select are now available on Redox.
  (#​2012)
• Implemented AsFd, AsRawFd, FromRawFd, and IntoRawFd for mqueue::MqdT.
  (#​2097)
• Add the ability to set kevent_flags on SigEvent.
  (#​1731)

Changed

• All Cargo features have been removed from the default set. Users will need to
  specify which features they depend on in their Cargo.toml.
  (#​2091)

• Implemented I/O safety for many, but not all, of Nix's APIs. Many public
  functions argument and return types have changed:

  Original Type	New Type
  AsRawFd	AsFd
  RawFd	BorrowedFd or OwnedFd

  (#1906)

• Use I/O safety with copy_file_range, and expose it on FreeBSD.
  (#1906)

• The MSRV is now 1.65
  (#​1862)
  (#​2104)

• The epoll interface now uses a type.
  (#​1882)

• With I/O-safe type applied in pty::OpenptyResult and pty::ForkptyResult,
  users no longer need to manually close the file descriptors in these types.
  (#​1921)

• Refactored name parameter of mq_open and mq_unlink to be generic over
  NixPath.
  (#​2102).

• Made clone unsafe, like fork.
  (#​1993)

Removed

• sys::event::{kevent, kevent_ts} are deprecated in favor of
  sys::kevent::Kqueue::kevent, and sys::event::kqueue is deprecated in
  favor of sys::kevent::Kqueue::new.
  (#​1943)
• Removed deprecated IoVec API.
  (#​1855)
• Removed deprecated net APIs.
  (#​1861)
• nix::sys::signalfd::signalfd is deprecated. Use
  nix::sys::signalfd::SignalFd instead.
  (#​1938)
• Removed SigEvent support on Fuchsia, where it was unsound.
  (#​2079)
• Removed flock from ::nix::fcntl on Solaris.
  (#​2082)

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