Imported Upstream version 1.70.0upstream/1.70.0

2 files changed, 19 insertions, 9 deletions

diff --git a/boost/thread/win32/shared_mutex.hpp b/boost/thread/win32/shared_mutex.hpp
index 76ee2579b3..7f8d279001 100644
--- a/boost/thread/win32/shared_mutex.hpp
+++ b/boost/thread/win32/shared_mutex.hpp
@@ -8,6 +8,7 @@
 //  accompanying file LICENSE_1_0.txt or copy at
 //  http://www.boost.org/LICENSE_1_0.txt)
 
+#include <cstring>
 #include <boost/assert.hpp>
 #include <boost/detail/interlocked.hpp>
 #include <boost/thread/win32/thread_primitives.hpp>
@@ -39,16 +40,22 @@ namespace boost
 
             friend bool operator==(state_data const& lhs,state_data const& rhs)
             {
-                return *reinterpret_cast<unsigned long const*>(&lhs)==*reinterpret_cast<unsigned long const*>(&rhs);
+                return std::memcmp(&lhs, &rhs, sizeof(lhs)) == 0;
             }
         };
 
-        state_data interlocked_compare_exchange(state_data* target, state_data new_value, state_data comparand)
+        static state_data interlocked_compare_exchange(state_data* target, state_data new_value, state_data comparand)
         {
+            BOOST_STATIC_ASSERT(sizeof(state_data) == sizeof(long));
+            long new_val, comp;
+            std::memcpy(&new_val, &new_value, sizeof(new_value));
+            std::memcpy(&comp, &comparand, sizeof(comparand));
             long const res=BOOST_INTERLOCKED_COMPARE_EXCHANGE(reinterpret_cast<long*>(target),
-                                                              *reinterpret_cast<long*>(&new_value),
-                                                              *reinterpret_cast<long*>(&comparand));
-            return *reinterpret_cast<state_data const*>(&res);
+                                                              new_val,
+                                                              comp);
+            state_data result;
+            std::memcpy(&result, &res, sizeof(result));
+            return result;
         }
 
         enum
diff --git a/boost/thread/win32/thread_data.hpp b/boost/thread/win32/thread_data.hpp
index 2f28820290..b1a550af44 100644
--- a/boost/thread/win32/thread_data.hpp
+++ b/boost/thread/win32/thread_data.hpp
@@ -80,12 +80,15 @@ namespace boost
         struct thread_exit_callback_node;
         struct tss_data_node
         {
-            boost::shared_ptr<boost::detail::tss_cleanup_function> func;
+            typedef void(*cleanup_func_t)(void*);
+            typedef void(*cleanup_caller_t)(cleanup_func_t, void*);
+
+            cleanup_caller_t caller;
+            cleanup_func_t func;
             void* value;
 
-            tss_data_node(boost::shared_ptr<boost::detail::tss_cleanup_function> func_,
-                          void* value_):
-                func(func_),value(value_)
+            tss_data_node(cleanup_caller_t caller_,cleanup_func_t func_,void* value_):
+                caller(caller_),func(func_),value(value_)
             {}
         };