Enabled Vita without cfg in RUSTFLAGS and added CI checks

.github/workflows/ci.yml

@@ -133,6 +133,22 @@ 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
@@ -160,5 +176,6 @@ jobs:
       - Docs
       - Rustfmt
       - CheckTargets
+      - CheckTier3Targets
     steps:
       - run: exit 0

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;
     }
 

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/waker.rs

@@ -9,7 +9,8 @@
             target_os = "tvos",
             target_os = "watchos",
         )
-    ))
+    )),
+    not(target_os = "vita"),
 ))]
 mod fdbased {
     #[cfg(all(
@@ -61,7 +62,8 @@ mod fdbased {
             target_os = "tvos",
             target_os = "watchos",
         )
-    ))
+    )),
+    not(target_os = "vita"),
 ))]
 pub use self::fdbased::Waker;
 
@@ -205,6 +207,7 @@ pub use self::kqueue::Waker;
     target_os = "netbsd",
     target_os = "openbsd",
     target_os = "redox",
+    target_os = "vita",
 ))]
 mod pipe {
     use crate::sys::unix::pipe;
@@ -250,7 +253,7 @@ mod pipe {
             }
         }
 
-        #[cfg(mio_unsupported_force_poll_poll)]
+        #[cfg(any(mio_unsupported_force_poll_poll, target_os = "vita"))]
         pub fn ack_and_reset(&self) {
             self.empty();
         }
@@ -275,22 +278,24 @@ mod pipe {
     }
 }
 
-#[cfg(all(
-    mio_unsupported_force_poll_poll,
-    any(
-        mio_unsupported_force_waker_pipe,
-        target_os = "aix",
-        target_os = "dragonfly",
-        target_os = "illumos",
-        target_os = "netbsd",
-        target_os = "openbsd",
-        target_os = "redox",
-        target_os = "vita",
-    )
+#[cfg(any(
+    all(
+        mio_unsupported_force_poll_poll,
+        any(
+            mio_unsupported_force_waker_pipe,
+            target_os = "aix",
+            target_os = "dragonfly",
+            target_os = "illumos",
+            target_os = "netbsd",
+            target_os = "openbsd",
+            target_os = "redox",
+        )
+    ),
+    target_os = "vita",
 ))]
 pub(crate) use self::pipe::WakerInternal;
 
-#[cfg(mio_unsupported_force_poll_poll)]
+#[cfg(any(mio_unsupported_force_poll_poll, target_os = "vita"))]
 mod poll {
     use crate::sys::Selector;
     use crate::Token;
@@ -316,5 +321,5 @@ mod poll {
     }
 }
 
-#[cfg(mio_unsupported_force_poll_poll)]
+#[cfg(any(mio_unsupported_force_poll_poll, target_os = "vita"))]
 pub use self::poll::Waker;