Remove SYS_OPEN, SYS_UNLINK, and SYS_RMDIR. Add namespace related features

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "redox_syscall"
-version = "0.6.0"
+version = "0.7.0"
 description = "A Rust library to access raw Redox system calls"
 license = "MIT"
 authors = ["Jeremy Soller <jackpot51@gmail.com>"]

src/call.rs

@@ -174,12 +174,6 @@ pub fn nanosleep(req: &TimeSpec, rem: &mut TimeSpec) -> Result<usize> {
     }
 }
 
-/// Open a file
-pub fn open<T: AsRef<str>>(path: T, flags: usize) -> Result<usize> {
-    let path = path.as_ref();
-    unsafe { syscall3(SYS_OPEN, path.as_ptr() as usize, path.len(), flags) }
-}
-
 /// Open a file at a specific path
 pub fn openat<T: AsRef<str>>(
     fd: usize,

src/data.rs

@@ -408,6 +408,15 @@ impl DerefMut for CtxtStsBuf {
     }
 }
 
+#[derive(Copy, Clone, Debug, Default)]
+#[repr(C)]
+pub struct NewFdParams {
+    pub offset: u64,
+    pub number: usize,
+    pub flags: usize,
+    pub internal_flags: u8,
+}
+
 #[repr(u8)]
 #[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord)]
 pub enum GlobalSchemes {

src/flag.rs

@@ -102,6 +102,9 @@ bitflags::bitflags! {
         /// If set, the file descriptors received will be placed into the *upper* file table.
         const UPPER_TBL = 4;
 
+        /// If set, the received file descriptors are marked as close-on-exec.
+        const CLOEXEC = 8;
+
         // No, cloexec won't be stored in the kernel in the future, when the stable ABI is moved to
         // relibc, so no flag for that!
     }
@@ -116,6 +119,9 @@ bitflags::bitflags! {
 
         /// If set, the file descriptors received will be placed into the *upper* file table.
         const UPPER_TBL = 2;
+
+        /// If set, the received file descriptors are marked as close-on-exec.
+        const CLOEXEC = 4;
     }
 }
 bitflags::bitflags! {
@@ -404,6 +410,7 @@ bitflags! {
         const FD_EXCLUSIVE = 1 << 12;
         const FD_CLONE = 1 << 13;
         const FD_UPPER = 1 << 14;
+        const FD_CLOEXEC = 1 << 15;
     }
 }
 

src/number.rs

@@ -10,7 +10,6 @@ pub const SYS_ARG_PATH: usize = 0x0300_0000;
 pub const SYS_RET: usize = 0x00F0_0000;
 pub const SYS_RET_FILE: usize = 0x0010_0000;
 
-pub const SYS_OPEN: usize = SYS_CLASS_PATH | SYS_RET_FILE | 5;
 pub const SYS_OPENAT: usize = SYS_CLASS_PATH | SYS_RET_FILE | 7;
 pub const SYS_OPENAT_WITH_FILTER: usize = SYS_CLASS_PATH | SYS_RET_FILE | 985;
 pub const SYS_UNLINKAT: usize = SYS_CLASS_PATH | 263;

src/schemev2.rs

@@ -99,9 +99,6 @@ impl CqeOpcode {
 #[non_exhaustive]
 #[derive(Clone, Copy, Debug)]
 pub enum Opcode {
-    Open = 0,    // path_ptr, path_len (utf8), flags
-    Rmdir = 1,   // path_ptr, path_len (utf8)
-    Unlink = 2,  // path_ptr, path_len (utf8)
     Close = 3,   // fd
     Dup = 4,     // old fd, buf_ptr, buf_len
     Read = 5,    // fd, buf_ptr, buf_len, TODO offset, TODO flags, _
@@ -145,9 +142,6 @@ impl Opcode {
 
         // TODO: Use a library where this match can be automated.
         Some(match raw {
-            0 => Open,
-            1 => Rmdir,
-            2 => Unlink,
             3 => Close,
             4 => Dup,
             5 => Read,