Add fcntl

fcntl/.gitignore

+/Cargo.lock
+/target/

fcntl/Cargo.toml

+[package]
+name = "fcntl"
+version = "0.1.0"
+authors = ["Jeremy Soller <jackpot51@gmail.com>"]
+
+[build-dependencies]
+cbindgen = "0.5"
+
+[dependencies]
+libc = "0.2"

fcntl/build.rs

+extern crate cbindgen;
+
+use std::env;
+
+fn main() {
+    let crate_dir = env::var("CARGO_MANIFEST_DIR").unwrap();
+
+    cbindgen::generate(crate_dir)
+      .expect("Unable to generate bindings")
+      .write_to_file("target/fcntl.h");
+}

fcntl/cbindgen.toml

+include_guard = "_FCNTL_H"
+language = "C"
+
+[enum]
+prefix_with_name = true

fcntl/src/lib.rs

+/// fcntl implementation for Redox, following http://pubs.opengroup.org/onlinepubs/7908799/xsh/fcntl.h.html
+
+extern crate libc;
+
+use libc::*;
+
+pub const F_DUPFD: c_int = 0;
+pub const F_GETFD: c_int = 1;
+pub const F_SETFD: c_int = 2;
+pub const F_GETFL: c_int = 3;
+pub const F_SETFL: c_int = 4;
+pub const F_GETLK: c_int = 5;
+pub const F_SETLK: c_int = 6;
+pub const F_SETLKW: c_int = 7;
+
+pub const FD_CLOEXEC: c_int = 0x0100_0000;
+
+pub const F_RDLCK: c_int = 0;
+pub const F_WRLCK: c_int = 1;
+pub const F_UNLCK: c_int = 2;
+
+pub const O_RDONLY: c_int =     0x0001_0000;
+pub const O_WRONLY: c_int =     0x0002_0000;
+pub const O_RDWR: c_int =       0x0003_0000;
+pub const O_NONBLOCK: c_int =   0x0004_0000;
+pub const O_APPEND: c_int =     0x0008_0000;
+pub const O_SHLOCK: c_int =     0x0010_0000;
+pub const O_EXLOCK: c_int =     0x0020_0000;
+pub const O_ASYNC: c_int =      0x0040_0000;
+pub const O_FSYNC: c_int =      0x0080_0000;
+pub const O_CLOEXEC: c_int =    0x0100_0000;
+pub const O_CREAT: c_int =      0x0200_0000;
+pub const O_TRUNC: c_int =      0x0400_0000;
+pub const O_EXCL: c_int =       0x0800_0000;
+pub const O_DIRECTORY: c_int =  0x1000_0000;
+pub const O_STAT: c_int =       0x2000_0000;
+pub const O_SYMLINK: c_int =    0x4000_0000;
+pub const O_NOFOLLOW: c_int =   0x8000_0000;
+pub const O_ACCMODE: c_int = O_RDONLY | O_WRONLY | O_RDWR;
+
+#[no_mangle]
+pub extern "C" fn creat(path: *const c_char, mode: mode_t) -> c_int {
+    open(path, O_WRONLY | O_CREAT | O_TRUNC, mode)
+}
+
+#[no_mangle]
+pub extern "C" fn fcntl(fildes: c_int, cmd: c_int, arg: c_int) -> c_int {
+    unimplemented!();
+}
+
+#[no_mangle]
+pub extern "C" fn open(path: *const c_char, oflag: c_int, mode: mode_t) -> c_int {
+    unimplemented!();
+}
+
+/*
+#[no_mangle]
+pub extern "C" fn func(args) -> c_int {
+    unimplemented!();
+}
+*/

unistd/Cargo.toml

@@ -3,10 +3,6 @@ name = "unistd"
 version = "0.1.0"
 authors = ["Jeremy Soller <jackpot51@gmail.com>"]
 
-[lib]
-name = "unistd"
-crate-type = ["cdylib"]
-
 [build-dependencies]
 cbindgen = "0.5"