Take sys/vxworks/stdio from sys/unix instead.

library/std/src/sys/vxworks/mod.rs

@@ -30,6 +30,7 @@ pub mod rand;
 pub mod rwlock;
 #[path = "../unix/stack_overflow.rs"]
 pub mod stack_overflow;
+#[path = "../unix/stdio.rs"]
 pub mod stdio;
 #[path = "../unix/thread.rs"]
 pub mod thread;

library/std/src/sys/vxworks/stdio.rs

@@ -1,69 +0,0 @@
-use crate::io;
-use crate::sys::fd::FileDesc;
-
-pub struct Stdin(());
-pub struct Stdout(());
-pub struct Stderr(());
-
-impl Stdin {
-    pub const fn new() -> Stdin {
-        Stdin(())
-    }
-}
-
-impl io::Read for Stdin {
-    fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
-        let fd = FileDesc::new(libc::STDIN_FILENO);
-        let ret = fd.read(buf);
-        fd.into_raw(); // do not close this FD
-        ret
-    }
-}
-
-impl Stdout {
-    pub const fn new() -> Stdout {
-        Stdout(())
-    }
-}
-
-impl io::Write for Stdout {
-    fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
-        let fd = FileDesc::new(libc::STDOUT_FILENO);
-        let ret = fd.write(buf);
-        fd.into_raw(); // do not close this FD
-        ret
-    }
-
-    fn flush(&mut self) -> io::Result<()> {
-        Ok(())
-    }
-}
-
-impl Stderr {
-    pub const fn new() -> Stderr {
-        Stderr(())
-    }
-}
-
-impl io::Write for Stderr {
-    fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
-        let fd = FileDesc::new(libc::STDERR_FILENO);
-        let ret = fd.write(buf);
-        fd.into_raw(); // do not close this FD
-        ret
-    }
-
-    fn flush(&mut self) -> io::Result<()> {
-        Ok(())
-    }
-}
-
-pub fn is_ebadf(err: &io::Error) -> bool {
-    err.raw_os_error() == Some(libc::EBADF as i32)
-}
-
-pub const STDIN_BUF_SIZE: usize = crate::sys_common::io::DEFAULT_BUF_SIZE;
-
-pub fn panic_output() -> Option<impl io::Write> {
-    Some(Stderr::new())
-}