Merge branch 'nix-rust:master' into largefile

.cirrus.yml

@@ -8,29 +8,28 @@ env:
   RUSTFLAGS: -D warnings
   RUSTDOCFLAGS: -D warnings
   TOOL: cargo
-  # The MSRV
-  TOOLCHAIN: 1.63.0
+  MSRV: 1.63.0
   ZFLAGS:
 
 # Tests that don't require executing the build binaries
 build: &BUILD
   build_script:
     - . $HOME/.cargo/env || true
-    - $TOOL +$TOOLCHAIN -Vv
-    - rustc +$TOOLCHAIN -Vv
-    - $TOOL +$TOOLCHAIN $BUILD $ZFLAGS --target $TARGET --all-targets
-    - $TOOL +$TOOLCHAIN doc $ZFLAGS --no-deps --target $TARGET
-    - $TOOL +$TOOLCHAIN clippy $ZFLAGS --target $TARGET --all-targets -- -D warnings
+    - $TOOL -Vv
+    - rustc -Vv
+    - $TOOL $BUILD $ZFLAGS --target $TARGET --all-targets
+    - $TOOL doc $ZFLAGS --no-deps --target $TARGET
+    - $TOOL clippy $ZFLAGS --target $TARGET --all-targets -- -D warnings
     - if [ -z "$NOHACK" ]; then mkdir -p $HOME/.cargo/bin; export PATH=$HOME/.cargo/bin:$PATH; fi
     - if [ -z "$NOHACK" ]; then curl -LsSf https://github.com/taiki-e/cargo-hack/releases/latest/download/cargo-hack-${HOST:-$TARGET}.tar.gz | tar xzf - -C ~/.cargo/bin; fi
-    - if [ -z "$NOHACK" ]; then $TOOL +$TOOLCHAIN hack $ZFLAGS check --target $TARGET --each-feature; fi
+    - if [ -z "$NOHACK" ]; then $TOOL hack $ZFLAGS check --target $TARGET --each-feature; fi
 
 # Tests that do require executing the binaries
 test: &TEST
   << : *BUILD
   test_script:
     - . $HOME/.cargo/env || true
-    - $TOOL +$TOOLCHAIN test --target $TARGET
+    - $TOOL test --target $TARGET
 
 # Test FreeBSD in a full VM.  Test the i686 target too, in the
 # same VM.  The binary will be built in 32-bit mode, but will execute on a
@@ -52,10 +51,10 @@ task:
   setup_script:
     - kldload mqueuefs
     - fetch https://sh.rustup.rs -o rustup.sh
-    - sh rustup.sh -y --profile=minimal --default-toolchain $TOOLCHAIN
+    - sh rustup.sh -y --profile=minimal --default-toolchain $MSRV
     - . $HOME/.cargo/env
     - rustup target add i686-unknown-freebsd
-    - rustup component add --toolchain $TOOLCHAIN clippy
+    - rustup component add clippy
   << : *TEST
   i386_test_script:
     - . $HOME/.cargo/env
@@ -76,9 +75,9 @@ task:
     image: ghcr.io/cirruslabs/macos-ventura-base:latest
   setup_script:
     - curl --proto '=https' --tlsv1.2 -sSf -o rustup.sh https://sh.rustup.rs
-    - sh rustup.sh -y --profile=minimal --default-toolchain $TOOLCHAIN
+    - sh rustup.sh -y --profile=minimal --default-toolchain $MSRV
     - . $HOME/.cargo/env
-    - rustup component add --toolchain $TOOLCHAIN clippy
+    - rustup component add clippy
   << : *TEST
   before_cache_script: rm -rf $CARGO_HOME/registry/index
 
@@ -129,7 +128,7 @@ task:
   setup_script:
     - mkdir /tmp/home
     - curl --proto '=https' --tlsv1.2 -sSf -o rustup.sh https://sh.rustup.rs
-    - sh rustup.sh -y --profile=minimal --default-toolchain $TOOLCHAIN
+    - sh rustup.sh -y --profile=minimal --default-toolchain $MSRV
     - . $HOME/.cargo/env
     - cargo install cross --version 0.2.1 # cross 0.2.2 bumped the MSRV to 1.58.1
   << : *TEST
@@ -165,9 +164,7 @@ task:
     image: rust:latest
   env:
     TARGET: x86_64-unknown-linux-gnu
-    TOOLCHAIN:
   setup_script:
-    - rustup target add $TARGET
     - rustup component add clippy
   << : *TEST
   before_cache_script: rm -rf $CARGO_HOME/registry/index
@@ -242,37 +239,33 @@ task:
         TARGET: x86_64-unknown-netbsd
   setup_script:
     - rustup target add $TARGET
-    - rustup toolchain install $TOOLCHAIN --profile minimal --target $TARGET
-    - rustup component add --toolchain $TOOLCHAIN clippy
+    - rustup component add clippy
   << : *BUILD
   before_cache_script: rm -rf $CARGO_HOME/registry/index
 
 task:
   container:
-    image: rust:1.63.0
+    # Redox's MSRV policy is unclear.  Until they define it, use nightly.
+    image: rustlang/rust:nightly
   env:
     BUILD: check
   name: Redox x86_64
   env:
     HOST: x86_64-unknown-linux-gnu
     TARGET: x86_64-unknown-redox
-    # Redox's MSRV policy is unclear.  Until they define it, use nightly.
-    TOOLCHAIN: nightly
   setup_script:
     - rustup target add $TARGET
-    - rustup toolchain install $TOOLCHAIN --profile minimal --target $TARGET
-    - rustup component add --toolchain $TOOLCHAIN clippy
+    - rustup component add clippy
   << : *BUILD
   before_cache_script: rm -rf $CARGO_HOME/registry/index
 
-# Rust Tier 3 targets can't use Rustup
+## Rust Tier 3 targets can't use Rustup
 task:
   container:
     image: rustlang/rust:nightly
   env:
     BUILD: check
     HOST: x86_64-unknown-linux-gnu
-    TOOLCHAIN: nightly
     ZFLAGS: -Zbuild-std
   matrix:
     - name: DragonFly BSD x86_64
@@ -299,7 +292,6 @@ task:
   name: Minver
   env:
     HOST: x86_64-unknown-linux-gnu
-    TOOLCHAIN: nightly
   container:
     image: rustlang/rust:nightly
   setup_script:
@@ -313,5 +305,5 @@ task:
   name: Rust Formatter
   container:
     image: rust:latest
-  setup_script: rustup +$TOOLCHAIN component add rustfmt
-  test_script: $TOOL +$TOOLCHAIN fmt --all -- --check **/*.rs
+  setup_script: rustup component add rustfmt
+  test_script: cargo fmt --all -- --check **/*.rs

CHANGELOG.md

@@ -16,6 +16,8 @@ This project adheres to [Semantic Versioning](https://semver.org/).
 - 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](https://github.com/nix-rust/nix/pull/1967))
+- Added `TFD_TIMER_CANCEL_ON_SET` to `::nix::sys::time::TimerSetTimeFlags` on Linux and Android.
+  ([#2040](https://github.com/nix-rust/nix/pull/2040))
 
 ### Changed
 
@@ -34,10 +36,13 @@ This project adheres to [Semantic Versioning](https://semver.org/).
   ([#2012](https://github.com/nix-rust/nix/pull/2012))
 
 ### Fixed
-- Fix `SockaddrIn6` bug that was swapping flowinfo and scope_id byte ordering.
-  ([#1964](https://github.com/nix-rust/nix/pull/1964))
-- Fix: send ETH_P_ALL in htons format 
+- Fix: send `ETH_P_ALL` in htons format 
   ([#1925](https://github.com/nix-rust/nix/pull/1925))
+- Fix potentially invalid conversions in
+  `SockaddrIn::from<std::net::SocketAddrV4>`,
+  `SockaddrIn6::from<std::net::SockaddrV6>`, `IpMembershipRequest::new`, and
+  `Ipv6MembershipRequest::new` with future Rust versions.
+  ([#2061](https://github.com/nix-rust/nix/pull/2061))
 
 ### Removed
 
@@ -49,6 +54,14 @@ This project adheres to [Semantic Versioning](https://semver.org/).
   `nix::sys::signalfd::SignalFd` instead.
   ([#1938](https://github.com/nix-rust/nix/pull/1938))
 
+## [0.26.2] - 2023-01-18
+
+### Fixed
+
+- Fix `SockaddrIn6` bug that was swapping `flowinfo` and `scope_id` byte
+  ordering.
+  ([#1964](https://github.com/nix-rust/nix/pull/1964))
+
 ## [0.26.1] - 2022-11-29
 ### Fixed
 - Fix UB with `sys::socket::sockopt::SockType` using `SOCK_PACKET`.

Cargo.toml

@@ -28,11 +28,10 @@ targets = [
 
 [dependencies]
 libc = { version = "0.2.141", features = ["extra_traits"] }
-bitflags = "1.1"
+bitflags = "2.3.1"
 cfg-if = "1.0"
 pin-utils = { version = "0.1.0", optional = true }
-static_assertions = "1"
-memoffset = { version = "0.8", optional = true }
+memoffset = { version = "0.9", optional = true }
 
 [features]
 default = [

src/fcntl.rs

@@ -712,7 +712,7 @@ pub fn vmsplice(
 }
 }
 
-#[cfg(any(target_os = "linux"))]
+#[cfg(target_os = "linux")]
 #[cfg(feature = "fs")]
 libc_bitflags!(
     /// Mode argument flags for fallocate determining operation performed on a given range.
@@ -752,7 +752,7 @@ feature! {
 ///
 /// Allows the caller to directly manipulate the allocated disk space for the
 /// file referred to by fd.
-#[cfg(any(target_os = "linux"))]
+#[cfg(target_os = "linux")]
 #[cfg(feature = "fs")]
 pub fn fallocate(
     fd: RawFd,

src/features.rs

@@ -6,6 +6,7 @@ mod os {
     use crate::sys::utsname::uname;
     use crate::Result;
     use std::os::unix::ffi::OsStrExt;
+    use std::sync::atomic::{AtomicUsize, Ordering};
 
     // Features:
     // * atomic cloexec on socket: 2.6.27
@@ -72,15 +73,15 @@ mod os {
     }
 
     fn kernel_version() -> Result<usize> {
-        static mut KERNEL_VERS: usize = 0;
+        static KERNEL_VERS: AtomicUsize = AtomicUsize::new(0);
+        let mut kernel_vers = KERNEL_VERS.load(Ordering::Relaxed);
 
-        unsafe {
-            if KERNEL_VERS == 0 {
-                KERNEL_VERS = parse_kernel_version()?;
-            }
-
-            Ok(KERNEL_VERS)
+        if kernel_vers == 0 {
+            kernel_vers = parse_kernel_version()?;
+            KERNEL_VERS.store(kernel_vers, Ordering::Relaxed);
         }
+
+        Ok(kernel_vers)
     }
 
     /// Check if the OS supports atomic close-on-exec for sockets

src/macros.rs

@@ -65,6 +65,8 @@ macro_rules! libc_bitflags {
         }
     ) => {
         ::bitflags::bitflags! {
+            #[derive(Copy, Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
+            #[repr(transparent)]
             $(#[$outer])*
             pub struct $BitFlags: $T {
                 $(

src/mount/bsd.rs

@@ -392,7 +392,7 @@ impl<'a> Nmount<'a> {
 
         let niov = self.iov.len() as c_uint;
         let iovp = self.iov.as_mut_ptr() as *mut libc::iovec;
-        let res = unsafe { libc::nmount(iovp, niov, flags.bits) };
+        let res = unsafe { libc::nmount(iovp, niov, flags.bits()) };
         match Errno::result(res) {
             Ok(_) => Ok(()),
             Err(error) => {
@@ -446,7 +446,7 @@ where
     P: ?Sized + NixPath,
 {
     let res = mountpoint.with_nix_path(|cstr| unsafe {
-        libc::unmount(cstr.as_ptr(), flags.bits)
+        libc::unmount(cstr.as_ptr(), flags.bits())
     })?;
 
     Errno::result(res).map(drop)

src/mount/linux.rs

@@ -132,7 +132,7 @@ pub fn mount<
                         s,
                         t.as_ptr(),
                         ty,
-                        flags.bits,
+                        flags.bits(),
                         d as *const libc::c_void,
                     )
                 })
@@ -156,7 +156,7 @@ pub fn umount<P: ?Sized + NixPath>(target: &P) -> Result<()> {
 /// See also [`umount`](https://man7.org/linux/man-pages/man2/umount.2.html)
 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)
+        libc::umount2(cstr.as_ptr(), flags.bits())
     })?;
 
     Errno::result(res).map(drop)

src/mqueue.rs

@@ -139,7 +139,7 @@ impl MqAttr {
 /// Open a message queue
 ///
 /// See also [`mq_open(2)`](https://pubs.opengroup.org/onlinepubs/9699919799/functions/mq_open.html)
-// The mode.bits cast is only lossless on some OSes
+// The mode.bits() cast is only lossless on some OSes
 #[allow(clippy::cast_lossless)]
 pub fn mq_open(
     name: &CStr,

src/sys/event.rs

@@ -71,7 +71,7 @@ impl Kqueue {
                     timeout as *const timespec
                 } else {
                     ptr::null()
-                }
+                },
             )
         };
         Errno::result(res).map(|r| r as usize)
@@ -86,7 +86,7 @@ impl Kqueue {
     target_os = "openbsd"
 ))]
 type type_of_udata = *mut libc::c_void;
-#[cfg(any(target_os = "netbsd"))]
+#[cfg(target_os = "netbsd")]
 type type_of_udata = intptr_t;
 
 #[cfg(target_os = "netbsd")]
@@ -171,7 +171,7 @@ libc_enum! {
 ))]
 #[doc(hidden)]
 pub type type_of_event_flag = u16;
-#[cfg(any(target_os = "netbsd"))]
+#[cfg(target_os = "netbsd")]
 #[doc(hidden)]
 pub type type_of_event_flag = u32;
 libc_bitflags! {

src/sys/personality.rs

@@ -80,7 +80,10 @@ pub fn get() -> Result<Persona> {
 ///
 /// Example:
 ///
-/// ```
+// Disable test on aarch64 until we know why it fails.
+// https://github.com/nix-rust/nix/issues/2060
+#[cfg_attr(target_arch = "aarch64", doc = " ```no_run")]
+#[cfg_attr(not(target_arch = "aarch64"), doc = " ```")]
 /// # use nix::sys::personality::{self, Persona};
 /// let mut pers = personality::get().unwrap();
 /// assert!(!pers.contains(Persona::ADDR_NO_RANDOMIZE));