Add epoll (WIP)

src/header/fcntl/linux.rs

@@ -13,3 +13,5 @@ pub const O_DIRECTORY: c_int = 0x1_0000;
 pub const O_NOFOLLOW: c_int = 0x2_0000;
 pub const O_CLOEXEC: c_int = 0x8_0000;
 pub const O_PATH: c_int = 0x20_0000;
+
+pub const FD_CLOEXEC: c_int = 0x8_0000;

src/header/fcntl/mod.rs

@@ -23,8 +23,6 @@ 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;

src/header/fcntl/redox.rs

@@ -18,3 +18,5 @@ pub const O_DIRECTORY: c_int = 0x1000_0000;
 pub const O_PATH: c_int = 0x2000_0000;
 pub const O_SYMLINK: c_int = 0x4000_0000;
 pub const O_NOFOLLOW: c_int = 0x8000_0000;
+
+pub const FD_CLOEXEC: c_int = 0x0100_0000;

src/header/mod.rs

@@ -30,6 +30,7 @@ pub mod stdio;
 pub mod stdlib;
 pub mod string;
 pub mod strings;
+pub mod sys_epoll;
 pub mod sys_file;
 pub mod sys_ioctl;
 pub mod sys_mman;

src/header/sys_epoll/cbindgen.toml

@@ -0,0 +1,11 @@
+sys_includes = []
+include_guard = "_SYS_EPOLL_H"
+language = "C"
+style = "Tag"
+
+[defines]
+"target_os=linux" = "__linux__"
+"target_os=redox" = "__redox__"
+
+[enum]
+prefix_with_name = true

src/header/sys_epoll/linux.rs

@@ -0,0 +1,3 @@
+use platform::types::*;
+
+pub const EPOLL_CLOEXEC: c_int = 0x8_0000;

src/header/sys_epoll/mod.rs

@@ -0,0 +1,62 @@
+//! sys/epoll.h implementation for Redox, following http://man7.org/linux/man-pages/man7/epoll.7.html
+
+use core::ptr;
+
+use header::signal::sigset_t;
+use platform::types::*;
+
+pub use self::sys::*;
+
+#[cfg(target_os = "linux")]
+#[path = "linux.rs"]
+pub mod sys;
+
+#[cfg(target_os = "redox")]
+#[path = "redox.rs"]
+pub mod sys;
+
+pub const EPOLL_CTL_ADD: c_int = 1;
+pub const EPOLL_CTL_DEL: c_int = 2;
+pub const EPOLL_CTL_MOD: c_int = 3;
+
+#[repr(C)]
+pub union epoll_data {
+    ptr: *mut c_void,
+    fd: c_int,
+    u32: u32,
+    u64: u64,
+}
+
+#[repr(C)]
+pub struct epoll_event {
+    events: u32,
+    data: epoll_data,
+}
+
+#[no_mangle]
+pub extern "C" fn epoll_create(_size: c_int) -> c_int {
+    epoll_create1(0)
+}
+
+#[no_mangle]
+pub extern "C" fn epoll_create1(flags: c_int) -> c_int {
+    unimplemented!()
+    //Sys::epoll_create1(flags)
+}
+
+#[no_mangle]
+pub extern "C" fn epoll_ctl(epfd: c_int, op: c_int, fd: c_int, event: *mut epoll_event) -> c_int {
+    unimplemented!()
+    //Sys::epoll_ctl(epfd, op, fd, event)
+}
+
+#[no_mangle]
+pub extern "C" fn epoll_wait(epfd: c_int, events: *mut epoll_event, maxevents: c_int, timeout: c_int) -> c_int {
+    epoll_pwait(epfd, events, maxevents, timeout, ptr::null())
+}
+
+#[no_mangle]
+pub extern "C" fn epoll_pwait(epfd: c_int, events: *mut epoll_event, maxevents: c_int, timeout: c_int, sigmask: *const sigset_t) -> c_int {
+    unimplemented!()
+    //Sys::epoll_pwait(epfd, events, maxevents, timeout, sigmask)
+}

src/header/sys_epoll/redox.rs

@@ -0,0 +1,3 @@
+use platform::types::*;
+
+pub const EPOLL_CLOEXEC: c_int = 0x0100_0000;