Update to new mutex API

use std::libc::{c_int, c_void, c_char};

use std::ptr;

use std::io::{IoResult, IoError, OtherIoError, Stream, Reader, Writer};

use std::unstable::mutex::Mutex;

use std::unstable::mutex::NativeMutex;

use std::vec;

use ssl::error::{SslError, SslSessionClosed, StreamError};

static mut INIT: Once = ONCE_INIT;

static mut VERIFY_IDX: c_int = -1;

static mut MUTEXES: Option<*mut ~[Mutex]> = None;

static mut MUTEXES: Option<*mut ~[NativeMutex]> = None;

fn init() {

    unsafe {

            VERIFY_IDX = verify_idx;

            let num_locks = ffi::CRYPTO_num_locks();

            let mutexes = ~vec::from_fn(num_locks as uint, |_| Mutex::new());

            let mutexes = ~vec::from_fn(num_locks as uint, |_| NativeMutex::new());

            MUTEXES = Some(cast::transmute(mutexes));

            ffi::CRYPTO_set_locking_callback(locking_function);

        let mutex = &mut (*MUTEXES.unwrap())[n as uint];

        if mode & ffi::CRYPTO_LOCK != 0 {

            mutex.lock();

            mutex.lock_noguard();

        } else {

            mutex.unlock();

            mutex.unlock_noguard();

        }

    }

}