Amajd50/OS: updated is_terminal and set_blocking

Now we have some `FileMeta` which are metadata about the opened files.

We are using these to set the blocking mode and check if the file is terminal.

Cargo.lock

@@ -83,19 +83,19 @@ checksum = "56fc6cf8dc8c4158eed8649f9b8b0ea1518eb62b544fe9490d66fa0b349eafe9"
 
 [[package]]
 name = "amjad_os_kernel_user_link"
-version = "0.2.0"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e8d1291ea9cf6043bfa74865f170b13a220ae79c0d253d1b9ad57e90be137247"
+checksum = "17549aafd3a6df6860b12329aff74941c7669483d0adaaf634f5e6aebff0639e"
 dependencies = [
  "compiler_builtins",
  "rustc-std-workspace-core",
 ]
 
 [[package]]
 name = "amjad_os_user_std"
-version = "0.2.0"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e0e98406c58607f4f54f9ec8e5ffbf7570daba78c343ac640b27f094d62fe3f7"
+checksum = "d84fa958dc7be5b9c3a3f213869e53dd18bf8f4abee33f4bb620d94070226ba1"
 dependencies = [
  "amjad_os_kernel_user_link",
  "compiler_builtins",

library/std/Cargo.toml

@@ -59,7 +59,7 @@ r-efi-alloc = { version = "1.0.0", features = ['rustc-dep-of-std']}
 
 [target.'cfg(target_os = "amjad_os")'.dependencies]
 # This is from `https://github.com/Amjad50/OS`, i.e. it must be run from that context
-user_std = { version = "0.2.0", package = "amjad_os_user_std", features = ['rustc-dep-of-std'] }
+user_std = { version = "0.2.2", package = "amjad_os_user_std", features = ['rustc-dep-of-std'] }
 
 [features]
 backtrace = [

library/std/src/sys/amjad_os/fd.rs

@@ -7,8 +7,8 @@ use crate::{
     os::amjad_os::io::{AsFd, AsRawFd, BorrowedFd, FromRawFd, IntoRawFd, OwnedFd, RawFd},
     sys_common::{AsInner, FromInner, IntoInner},
 };
-// use crate::os::unix::io::{AsFd, AsRawFd, BorrowedFd, FromRawFd, IntoRawFd, OwnedFd, RawFd};
-// use crate::sys_common::{AsInner, FromInner, IntoInner};
+
+use user_std::io::FileMeta;
 
 use super::syscall_to_io_error;
 
@@ -209,8 +209,11 @@ impl FileDesc {
         };
 
         unsafe {
-            user_std::io::syscall_blocking_mode(self.as_raw_fd(), blocking_mode)
-                .map_err(syscall_to_io_error)?
+            user_std::io::syscall_set_file_meta(
+                self.as_raw_fd(),
+                FileMeta::BlockingMode(blocking_mode),
+            )
+            .map_err(syscall_to_io_error)?
         }
 
         Ok(())

library/std/src/sys/amjad_os/io.rs

@@ -1,5 +1,9 @@
 use crate::mem;
 
+use crate::os::amjad_os::io::{AsFd, AsRawFd};
+use crate::sys::amjad_os::syscall_to_io_error;
+use user_std::io::FileMeta;
+
 #[derive(Copy, Clone)]
 pub struct IoSlice<'a>(&'a [u8]);
 
@@ -46,6 +50,16 @@ impl<'a> IoSliceMut<'a> {
     }
 }
 
-pub fn is_terminal<T>(_: &T) -> bool {
-    false
+pub fn is_terminal(file: &impl AsFd) -> bool {
+    let mut meta = FileMeta::IsTerminal(false);
+    unsafe {
+        user_std::io::syscall_get_file_meta(file.as_fd().as_raw_fd(), &mut meta)
+            .map_err(syscall_to_io_error)
+            .expect("syscall_get_file_meta failed");
+    }
+
+    match meta {
+        FileMeta::IsTerminal(is_terminal) => is_terminal,
+        _ => unreachable!(),
+    }
 }