Large reorganization of headers (WIP)

src/header/sys_wait/cbindgen.toml

@@ -0,0 +1,8 @@
+sys_includes = ["sys/types.h", "sys/resource.h"]
+include_guard = "_SYS_WAIT_H"
+style = "Type"
+trailer = "#include <bits/sys/wait.h>"
+language = "C"
+
+[enum]
+prefix_with_name = true

src/header/sys_wait/mod.rs

@@ -0,0 +1,52 @@
+//! sys/wait.h implementation for Redox, following
+//! http://pubs.opengroup.org/onlinepubs/7908799/xsh/syswait.h.html
+
+use header::sys_resource::rusage;
+use platform;
+use platform::{Pal, Sys};
+use platform::types::*;
+
+pub const WNOHANG: c_int = 1;
+pub const WUNTRACED: c_int = 2;
+
+pub const WSTOPPED: c_int = 2;
+pub const WEXITED: c_int = 4;
+pub const WCONTINUED: c_int = 8;
+pub const WNOWAIT: c_int = 0x1000000;
+
+pub const __WNOTHREAD: c_int = 0x20000000;
+pub const __WALL: c_int = 0x40000000;
+pub const __WCLONE: c_int = 0x80000000;
+
+#[no_mangle]
+pub unsafe extern "C" fn wait(stat_loc: *mut c_int) -> pid_t {
+    waitpid(!0, stat_loc, 0)
+}
+
+// #[no_mangle]
+pub unsafe extern "C" fn wait3(
+    stat_loc: *mut c_int,
+    options: c_int,
+    resource_usage: *mut rusage,
+) -> pid_t {
+    unimplemented!();
+}
+
+/*
+ * TODO: implement idtype_t, id_t, and siginfo_t
+ *
+ * #[no_mangle]
+ * pub unsafe extern "C" fn waitid(
+ *     idtype: idtype_t,
+ *     id: id_t,
+ *     infop: siginfo_t,
+ *     options: c_int
+ *  ) -> c_int {
+ *      unimplemented!();
+ *  }
+ */
+
+#[no_mangle]
+pub unsafe extern "C" fn waitpid(pid: pid_t, stat_loc: *mut c_int, options: c_int) -> pid_t {
+    Sys::waitpid(pid, stat_loc, options)
+}