Create SecurityAttributes wrapper

Cargo.toml

@@ -12,7 +12,7 @@ include = ["/src/**/*", "/Cargo.toml", "/LICENSE-MIT", "/LICENSE-APACHE", "/buil
 
 [dependencies]
 winapi = { version = "0.3", features = [
-    "consoleapi", "errhandlingapi", "fileapi", "handleapi", "minwinbase", "minwindef", "processthreadsapi", "std", "synchapi", "unknwnbase", "winbase", "wincon", "winerror", "winnt",
+    "accctrl", "aclapi", "consoleapi", "errhandlingapi", "fileapi", "handleapi", "minwinbase", "minwindef", "processthreadsapi", "securitybaseapi", "std", "synchapi", "unknwnbase", "winbase", "wincon", "winerror", "winnt",
 ] }
 
 [dev-dependencies]

src/error.rs

@@ -7,7 +7,7 @@ use std::result;
 use winapi::shared::minwindef::DWORD;
 use winapi::um::errhandlingapi::GetLastError;
 #[derive(Clone, Copy, Debug)]
-pub struct Error(DWORD);
+pub struct Error(pub(crate) DWORD);
 impl Error {
     pub fn code(&self) -> u32 { self.0 }
     pub(crate) fn last() -> Error {

src/lib.rs

@@ -14,6 +14,7 @@ pub(crate) mod handle;
 pub mod mutex;
 // pub mod perf;
 // pub mod pipe;
+pub mod security_attributes;
 // pub mod sleep;
 // pub mod thread;
 pub mod wide;

src/mutex.rs

@@ -25,6 +25,7 @@ use winapi::{
 };
 use error::Error;
 use handle::Handle;
+use security_attributes::SecurityAttributes;
 use wide::ToWide;
 
 pub struct SecurityAttributes(SECURITY_ATTRIBUTES);