Add support for vita target

Author: nikarh

.github/workflows/ci.yml

@@ -145,6 +145,22 @@ jobs:
       run: cargo install --debug cargo-hack
     - name: Check all targets
       run: make check_all_targets
+  CheckTier3Targets:
+    name: Check
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    strategy:
+      fail-fast: false
+      matrix:
+        target: ["armv7-sony-vita-newlibeabihf"]
+    steps:
+    - uses: actions/checkout@v3
+    - uses: dtolnay/rust-toolchain@nightly
+      with:
+        components: rust-src
+    - uses: taiki-e/install-action@cargo-hack
+    - name: Run check
+      run: cargo hack check -Z build-std=std,panic_abort --feature-powerset --target ${{ matrix.target }}
   Sanitizer:
     runs-on: ubuntu-latest
     timeout-minutes: 10
@@ -172,5 +188,6 @@ jobs:
       - Docs
       - Rustfmt
       - CheckTargets
+      - CheckTier3Targets
     steps:
       - run: exit 0

Cargo.toml

@@ -46,7 +46,7 @@ net = []
 log = { version = "0.4.8", optional = true }
 
 [target.'cfg(unix)'.dependencies]
-libc = "0.2.121"
+libc = "0.2.149"
 
 [target.'cfg(windows)'.dependencies.windows-sys]
 version = "0.48"
@@ -60,7 +60,7 @@ features = [
 
 [target.'cfg(target_os = "wasi")'.dependencies]
 wasi = "0.11.0"
-libc = "0.2.121"
+libc = "0.2.149"
 
 [dev-dependencies]
 env_logger = { version = "0.9.3", default-features = false }

README.md

@@ -162,11 +162,11 @@ This uses the Windows AFD system to access socket readiness events.
 
 ## Unsupported flags
 
-Mio uses different implementations to support the same functionality dependening
+Mio uses different implementations to support the same functionality depending
 on the platform. Mio generally uses the "best" implementation possible, where
 "best" usually means most efficient for Mio's use case. However this means that
 the implementation is often specific to a limited number of platforms, meaning
-we often have multiple implemetations for the same functionality. In some cases
+we often have multiple implementations for the same functionality. In some cases
 it might be required to not use the "best" implementation, but another
 implementation Mio supports (on other platforms). **Mio does not officially
 support secondary implementations on platforms**, however we do have various cfg

src/poll.rs

@@ -1,4 +1,4 @@
-#[cfg(all(unix, not(mio_unsupported_force_poll_poll)))]
+#[cfg(all(unix, not(mio_unsupported_force_poll_poll), not(target_os = "vita")))]
 use std::os::unix::io::{AsRawFd, RawFd};
 #[cfg(all(debug_assertions, not(target_os = "wasi")))]
 use std::sync::atomic::{AtomicBool, Ordering};
@@ -423,7 +423,7 @@ impl Poll {
     }
 }
 
-#[cfg(all(unix, not(mio_unsupported_force_poll_poll)))]
+#[cfg(all(unix, not(mio_unsupported_force_poll_poll), not(target_os = "vita")))]
 impl AsRawFd for Poll {
     fn as_raw_fd(&self) -> RawFd {
         self.registry.as_raw_fd()
@@ -710,7 +710,7 @@ impl fmt::Debug for Registry {
     }
 }
 
-#[cfg(all(unix, not(mio_unsupported_force_poll_poll)))]
+#[cfg(all(unix, not(mio_unsupported_force_poll_poll), not(target_os = "vita")))]
 impl AsRawFd for Registry {
     fn as_raw_fd(&self) -> RawFd {
         self.selector.as_raw_fd()
@@ -720,7 +720,8 @@ impl AsRawFd for Registry {
 cfg_os_poll! {
     #[cfg(all(
         unix,
-        not(mio_unsupported_force_poll_poll)
+        not(mio_unsupported_force_poll_poll),
+        not(target_os = "vita"),
     ))]
     #[test]
     pub fn as_raw_fd() {

src/sys/unix/mod.rs

@@ -34,7 +34,7 @@ cfg_os_poll! {
 
     cfg_io_source! {
         // Both `kqueue` and `epoll` don't need to hold any user space state.
-        #[cfg(not(mio_unsupported_force_poll_poll))]
+        #[cfg(not(any(mio_unsupported_force_poll_poll, target_os = "vita")))]
         mod stateless_io_source {
             use std::io;
             use std::os::unix::io::RawFd;
@@ -87,10 +87,10 @@ cfg_os_poll! {
             }
         }
 
-        #[cfg(not(mio_unsupported_force_poll_poll))]
+        #[cfg(not(any(mio_unsupported_force_poll_poll, target_os = "vita")))]
         pub(crate) use self::stateless_io_source::IoSourceState;
 
-        #[cfg(mio_unsupported_force_poll_poll)]
+        #[cfg(any(mio_unsupported_force_poll_poll, target_os = "vita"))]
         pub(crate) use self::selector::IoSourceState;
     }
 
@@ -105,6 +105,7 @@ cfg_os_poll! {
         target_os = "netbsd",
         target_os = "openbsd",
         target_os = "redox",
+        target_os = "vita",
     ))]
     pub(crate) mod pipe;
 }

src/sys/unix/net.rs

@@ -51,13 +51,14 @@ pub(crate) fn new_socket(domain: libc::c_int, socket_type: libc::c_int) -> io::R
         target_os = "tvos",
         target_os = "watchos",
         target_os = "espidf",
+        target_os = "vita",
     ))]
     {
         if let Err(err) = syscall!(fcntl(socket, libc::F_SETFL, libc::O_NONBLOCK)) {
             let _ = syscall!(close(socket));
             return Err(err);
         }
-        #[cfg(not(target_os = "espidf"))]
+        #[cfg(not(any(target_os = "espidf", target_os = "vita")))]
         if let Err(err) = syscall!(fcntl(socket, libc::F_SETFD, libc::FD_CLOEXEC)) {
             let _ = syscall!(close(socket));
             return Err(err);
@@ -97,7 +98,10 @@ pub(crate) fn socket_addr(addr: &SocketAddr) -> (SocketAddrCRepr, libc::socklen_
                 sin_family: libc::AF_INET as libc::sa_family_t,
                 sin_port: addr.port().to_be(),
                 sin_addr,
+                #[cfg(not(target_os = "vita"))]
                 sin_zero: [0; 8],
+                #[cfg(target_os = "vita")]
+                sin_zero: [0; 6],
                 #[cfg(any(
                     target_os = "aix",
                     target_os = "dragonfly",
@@ -109,8 +113,11 @@ pub(crate) fn socket_addr(addr: &SocketAddr) -> (SocketAddrCRepr, libc::socklen_
                     target_os = "tvos",
                     target_os = "watchos",
                     target_os = "espidf",
+                    target_os = "vita",
                 ))]
                 sin_len: 0,
+                #[cfg(target_os = "vita")]
+                sin_vport: addr.port().to_be(),
             };
 
             let sockaddr = SocketAddrCRepr { v4: sockaddr_in };
@@ -137,8 +144,11 @@ pub(crate) fn socket_addr(addr: &SocketAddr) -> (SocketAddrCRepr, libc::socklen_
                     target_os = "tvos",
                     target_os = "watchos",
                     target_os = "espidf",
+                    target_os = "vita",
                 ))]
                 sin6_len: 0,
+                #[cfg(target_os = "vita")]
+                sin6_vport: addr.port().to_be(),
                 #[cfg(target_os = "illumos")]
                 __sin6_src_id: 0,
             };

src/sys/unix/pipe.rs

@@ -17,6 +17,7 @@ pub(crate) fn new_raw() -> io::Result<[RawFd; 2]> {
         target_os = "openbsd",
         target_os = "illumos",
         target_os = "redox",
+        target_os = "vita",
     ))]
     unsafe {
         if libc::pipe2(fds.as_mut_ptr(), libc::O_CLOEXEC | libc::O_NONBLOCK) != 0 {
@@ -67,6 +68,7 @@ pub(crate) fn new_raw() -> io::Result<[RawFd; 2]> {
         target_os = "tvos",
         target_os = "watchos",
         target_os = "espidf",
+        target_os = "vita",
     )))]
     compile_error!("unsupported target for `mio::unix::pipe`");
 
@@ -556,7 +558,7 @@ impl IntoRawFd for Receiver {
     }
 }
 
-#[cfg(not(target_os = "illumos"))]
+#[cfg(not(any(target_os = "illumos", target_os = "vita")))]
 fn set_nonblocking(fd: RawFd, nonblocking: bool) -> io::Result<()> {
     let value = nonblocking as libc::c_int;
     if unsafe { libc::ioctl(fd, libc::FIONBIO, &value) } == -1 {
@@ -566,7 +568,7 @@ fn set_nonblocking(fd: RawFd, nonblocking: bool) -> io::Result<()> {
     }
 }
 
-#[cfg(target_os = "illumos")]
+#[cfg(any(target_os = "illumos", target_os = "vita"))]
 fn set_nonblocking(fd: RawFd, nonblocking: bool) -> io::Result<()> {
     let flags = unsafe { libc::fcntl(fd, libc::F_GETFL) };
     if flags < 0 {

src/sys/unix/selector/mod.rs

@@ -20,10 +20,10 @@ mod epoll;
 ))]
 pub(crate) use self::epoll::{event, Event, Events, Selector};
 
-#[cfg(mio_unsupported_force_poll_poll)]
+#[cfg(any(mio_unsupported_force_poll_poll, target_os = "vita"))]
 mod poll;
 
-#[cfg(mio_unsupported_force_poll_poll)]
+#[cfg(any(mio_unsupported_force_poll_poll, target_os = "vita"))]
 pub(crate) use self::poll::{event, Event, Events, IoSourceState, Selector};
 
 #[cfg(all(

src/sys/unix/tcp.rs

@@ -89,6 +89,7 @@ pub(crate) fn accept(listener: &net::TcpListener) -> io::Result<(net::TcpStream,
         target_os = "tvos",
         target_os = "watchos",
         target_os = "espidf",
+        target_os = "vita",
         all(target_arch = "x86", target_os = "android"),
     ))]
     let stream = {
@@ -99,11 +100,15 @@ pub(crate) fn accept(listener: &net::TcpListener) -> io::Result<(net::TcpStream,
         ))
         .map(|socket| unsafe { net::TcpStream::from_raw_fd(socket) })
         .and_then(|s| {
-            #[cfg(not(target_os = "espidf"))]
+            #[cfg(not(any(target_os = "espidf", target_os = "vita")))]
             syscall!(fcntl(s.as_raw_fd(), libc::F_SETFD, libc::FD_CLOEXEC))?;
 
             // See https://github.com/tokio-rs/mio/issues/1450
-            #[cfg(any(all(target_arch = "x86", target_os = "android"), target_os = "espidf",))]
+            #[cfg(any(
+                all(target_arch = "x86", target_os = "android"),
+                target_os = "espidf",
+                target_os = "vita",
+            ))]
             syscall!(fcntl(s.as_raw_fd(), libc::F_SETFL, libc::O_NONBLOCK))?;
 
             Ok(s)

src/sys/unix/uds/listener.rs

@@ -52,6 +52,7 @@ pub(crate) fn accept(listener: &net::UnixListener) -> io::Result<(UnixStream, So
         target_os = "tvos",
         target_os = "watchos",
         target_os = "espidf",
+        target_os = "vita",
         // Android x86's seccomp profile forbids calls to `accept4(2)`
         // See https://github.com/tokio-rs/mio/issues/1445 for details
         all(target_arch = "x86", target_os = "android"),
@@ -76,6 +77,7 @@ pub(crate) fn accept(listener: &net::UnixListener) -> io::Result<(UnixStream, So
         target_os = "tvos",
         target_os = "watchos",
         target_os = "espidf",
+        target_os = "vita",
         all(target_arch = "x86", target_os = "android")
     ))]
     let socket = syscall!(accept(
@@ -87,11 +89,15 @@ pub(crate) fn accept(listener: &net::UnixListener) -> io::Result<(UnixStream, So
         // Ensure the socket is closed if either of the `fcntl` calls
         // error below.
         let s = unsafe { net::UnixStream::from_raw_fd(socket) };
-        #[cfg(not(target_os = "espidf"))]
+        #[cfg(not(any(target_os = "espidf", target_os = "vita")))]
         syscall!(fcntl(socket, libc::F_SETFD, libc::FD_CLOEXEC))?;
 
         // See https://github.com/tokio-rs/mio/issues/1450
-        #[cfg(any(all(target_arch = "x86", target_os = "android"), target_os = "espidf",))]
+        #[cfg(any(
+            all(target_arch = "x86", target_os = "android"),
+            target_os = "espidf",
+            target_os = "vita",
+        ))]
         syscall!(fcntl(socket, libc::F_SETFL, libc::O_NONBLOCK))?;
 
         Ok(s)