fix(fs): use POSIX standard fileno

Author: Berrysoft

compio-driver/src/iocp/mod.rs

@@ -56,7 +56,7 @@ pub trait AsRawFd {
 
 /// Construct IO objects from raw fds.
 pub trait FromRawFd {
-    /// Constructs a new IO object from the specified raw fd.
+    /// Constructs an IO object from the specified raw fd.
     ///
     /// # Safety
     ///

compio-fs/src/stdio/mod.rs

@@ -8,7 +8,7 @@ cfg_if::cfg_if! {
     }
 }
 
-/// Constructs a new handle to the standard input of the current process.
+/// Constructs a handle to the standard input of the current process.
 ///
 /// ## Platform specific
 /// * Windows: This handle is best used for non-interactive uses, such as when a
@@ -23,7 +23,7 @@ pub fn stdin() -> Stdin {
     Stdin::new()
 }
 
-/// Constructs a new handle to the standard output of the current process.
+/// Constructs a handle to the standard output of the current process.
 ///
 /// Concurrent writes to stdout must be executed with care: Only individual
 /// writes to this [`AsyncWrite`] are guaranteed to be intact. In particular
@@ -37,7 +37,7 @@ pub fn stdout() -> Stdout {
     Stdout::new()
 }
 
-/// Constructs a new handle to the standard output of the current process.
+/// Constructs a handle to the standard error of the current process.
 ///
 /// Concurrent writes to stderr must be executed with care: Only individual
 /// writes to this [`AsyncWrite`] are guaranteed to be intact. In particular

compio-fs/src/stdio/unix.rs

@@ -1,7 +1,7 @@
 use std::{io, mem::ManuallyDrop};
 
 use compio_buf::{BufResult, IoBuf, IoBufMut};
-use compio_driver::{AsRawFd, FromRawFd, RawFd};
+use compio_driver::{FromRawFd, RawFd};
 use compio_io::{AsyncRead, AsyncWrite};
 use compio_runtime::TryAsRawFd;
 
@@ -14,8 +14,9 @@ pub struct Stdin(ManuallyDrop<Receiver>);
 
 impl Stdin {
     pub(crate) fn new() -> Self {
+        // SAFETY: we don't drop it
         Self(ManuallyDrop::new(unsafe {
-            Receiver::from_raw_fd(io::stdin().as_raw_fd())
+            Receiver::from_raw_fd(libc::STDIN_FILENO)
         }))
     }
 }
@@ -43,8 +44,9 @@ pub struct Stdout(ManuallyDrop<Sender>);
 
 impl Stdout {
     pub(crate) fn new() -> Self {
+        // SAFETY: we don't drop it
         Self(ManuallyDrop::new(unsafe {
-            Sender::from_raw_fd(io::stdout().as_raw_fd())
+            Sender::from_raw_fd(libc::STDOUT_FILENO)
         }))
     }
 }
@@ -80,8 +82,9 @@ pub struct Stderr(ManuallyDrop<Sender>);
 
 impl Stderr {
     pub(crate) fn new() -> Self {
+        // SAFETY: we don't drop it
         Self(ManuallyDrop::new(unsafe {
-            Sender::from_raw_fd(io::stderr().as_raw_fd())
+            Sender::from_raw_fd(libc::STDERR_FILENO)
         }))
     }
 }