Rustfmt, add CallFlags::CONSUME.

src/arch/riscv64.rs

@@ -1,15 +1,13 @@
+use super::error::{Error, Result};
+use core::arch::asm;
 use core::{
     mem,
     ops::{Deref, DerefMut},
     slice,
 };
-use core::arch::asm;
-use super::error::{Error, Result};
-
 
 pub const PAGE_SIZE: usize = 4096;
 
-
 #[cfg(feature = "userspace")]
 macro_rules! syscall {
     ($($name:ident($a:ident, $($b:ident, $($c:ident, $($d:ident, $($e:ident, $($f:ident, )?)?)?)?)?);)+) => {

src/data.rs

@@ -383,7 +383,10 @@ impl Deref for RtSigInfo {
 impl DerefMut for RtSigInfo {
     fn deref_mut(&mut self) -> &mut [u8] {
         unsafe {
-            slice::from_raw_parts_mut(self as *mut RtSigInfo as *mut u8, mem::size_of::<RtSigInfo>())
+            slice::from_raw_parts_mut(
+                self as *mut RtSigInfo as *mut u8,
+                mem::size_of::<RtSigInfo>(),
+            )
         }
     }
 }

src/flag.rs

@@ -335,14 +335,17 @@ bitflags! {
 }
 bitflags! {
     pub struct CallFlags: usize {
-        // unused
-        const BIT0 = 1 << 0;
-        const BIT1 = 1 << 1;
-        const BIT2 = 1 << 2;
-        const BIT3 = 1 << 3;
-        const BIT4 = 1 << 4;
-        const BIT5 = 1 << 5;
-        const BIT6 = 1 << 6;
-        const BIT7 = 1 << 7;
+        // reserved
+        const RSVD0 = 1 << 0;
+        const RSVD1 = 1 << 1;
+        const RSVD2 = 1 << 2;
+        const RSVD3 = 1 << 3;
+        const RSVD4 = 1 << 4;
+        const RSVD5 = 1 << 5;
+        const RSVD6 = 1 << 6;
+        const RSVD7 = 1 << 7;
+
+        /// Remove the fd from the caller's file table before sending the message.
+        const CONSUME = 1 << 8;
     }
 }

src/schemev2.rs

@@ -130,7 +130,7 @@ pub enum Opcode {
     CloseMsg = 27,
     Call = 28,
 
-    OpenAt = 29,  // fd, buf_ptr, buf_len, flags
+    OpenAt = 29, // fd, buf_ptr, buf_len, flags
 }
 
 impl Opcode {