Added boost header

test/external/boost/asio/ssl/detail/impl/openssl_init.ipp

@@ -0,0 +1,109 @@
+//
+// ssl/detail/impl/openssl_init.ipp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2005 Voipster / Indrek dot Juhani at voipster dot com
+// Copyright (c) 2005-2011 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef BOOST_ASIO_SSL_DETAIL_IMPL_OPENSSL_INIT_IPP
+#define BOOST_ASIO_SSL_DETAIL_IMPL_OPENSSL_INIT_IPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include <boost/asio/detail/config.hpp>
+#include <vector>
+#include <boost/assert.hpp>
+#include <boost/asio/detail/mutex.hpp>
+#include <boost/asio/detail/tss_ptr.hpp>
+#include <boost/asio/ssl/detail/openssl_init.hpp>
+#include <boost/asio/ssl/detail/openssl_types.hpp>
+
+#include <boost/asio/detail/push_options.hpp>
+
+namespace boost {
+namespace asio {
+namespace ssl {
+namespace detail {
+
+class openssl_init_base::do_init
+{
+public:
+  do_init()
+  {
+    ::SSL_library_init();
+    ::SSL_load_error_strings();        
+    ::OpenSSL_add_all_algorithms();
+
+    mutexes_.resize(::CRYPTO_num_locks());
+    for (size_t i = 0; i < mutexes_.size(); ++i)
+      mutexes_[i].reset(new boost::asio::detail::mutex);
+    ::CRYPTO_set_locking_callback(&do_init::openssl_locking_func);
+    ::CRYPTO_set_id_callback(&do_init::openssl_id_func);
+  }
+
+  ~do_init()
+  {
+    ::CRYPTO_set_id_callback(0);
+    ::CRYPTO_set_locking_callback(0);
+    ::ERR_free_strings();
+    ::ERR_remove_state(0);
+    ::EVP_cleanup();
+    ::CRYPTO_cleanup_all_ex_data();
+    ::CONF_modules_unload(1);
+    ::ENGINE_cleanup();
+  }
+
+private:
+  static unsigned long openssl_id_func()
+  {
+#if defined(BOOST_WINDOWS) || defined(__CYGWIN__)
+    return ::GetCurrentThreadId();
+#else // defined(BOOST_WINDOWS) || defined(__CYGWIN__)
+    void* id = instance()->thread_id_;
+    if (id == 0)
+      instance()->thread_id_ = id = &id; // Ugh.
+    BOOST_ASSERT(sizeof(unsigned long) >= sizeof(void*));
+    return reinterpret_cast<unsigned long>(id);
+#endif // defined(BOOST_WINDOWS) || defined(__CYGWIN__)
+  }
+
+  static void openssl_locking_func(int mode, int n, 
+    const char* /*file*/, int /*line*/)
+  {
+    if (mode & CRYPTO_LOCK)
+      instance()->mutexes_[n]->lock();
+    else
+      instance()->mutexes_[n]->unlock();
+  }
+
+  // Mutexes to be used in locking callbacks.
+  std::vector<boost::asio::detail::shared_ptr<
+        boost::asio::detail::mutex> > mutexes_;
+
+#if !defined(BOOST_WINDOWS) && !defined(__CYGWIN__)
+  // The thread identifiers to be used by openssl.
+  boost::asio::detail::tss_ptr<void> thread_id_;
+#endif // !defined(BOOST_WINDOWS) && !defined(__CYGWIN__)
+};
+
+boost::asio::detail::shared_ptr<openssl_init_base::do_init>
+openssl_init_base::instance()
+{
+  static boost::asio::detail::shared_ptr<do_init> init(new do_init);
+  return init;
+}
+
+} // namespace detail
+} // namespace ssl
+} // namespace asio
+} // namespace boost
+
+#include <boost/asio/detail/pop_options.hpp>
+
+#endif // BOOST_ASIO_SSL_DETAIL_IMPL_OPENSSL_INIT_IPP