Squashed commit of the following:

I also got rid of some old 0x0400 compatibility stuff in RecMutex and StaticMutex.

commit 8e7277ac6d19922c9be8c4b12a12b909da36eb60
Author: U-MARCH3\matthew <matthew@march3.(none)>
Date:   Wed Mar 12 18:19:15 2008 +0800

    added missing file.

commit 3ac0a9fdf2c5d976b08d9bbf24b0144e2533c8db
Author: U-MARCH3\matthew <matthew@march3.(none)>
Date:   Wed Mar 12 18:12:56 2008 +0800

    bug 2752

1 files changed, 20 insertions, 20 deletions

diff --git a/cpp/src/IceUtil/StaticMutex.cpp b/cpp/src/IceUtil/StaticMutex.cpp
index 53fa1f812b3..8084d79c666 100644
--- a/cpp/src/IceUtil/StaticMutex.cpp
+++ b/cpp/src/IceUtil/StaticMutex.cpp
@@ -18,11 +18,7 @@ using namespace std;
 
 static CRITICAL_SECTION _criticalSection;
 
-#   if defined(_WIN32_WINNT) && _WIN32_WINNT >= 0x0400
 typedef list<CRITICAL_SECTION*> MutexList;
-#   else
-typedef list<HANDLE> MutexList;
-#   endif
 
 static MutexList* _mutexList;
 
@@ -53,17 +49,12 @@ Init::Init()
 
 Init::~Init()
 {
-#   if defined(_WIN32_WINNT) && _WIN32_WINNT >= 0x0400
     for(MutexList::iterator p = _mutexList->begin(); 
         p != _mutexList->end(); ++p)
     {
         DeleteCriticalSection(*p);
         delete *p;
     }
-#   else
-    for_each(_mutexList->begin(), _mutexList->end(), 
-             CloseHandle);
-#   endif
     delete _mutexList;
     DeleteCriticalSection(&_criticalSection);
 }
@@ -82,19 +73,8 @@ void IceUtil::StaticMutex::initialize() const
     //
     if(_mutex == 0)
     {
-#   if defined(_WIN32_WINNT) && _WIN32_WINNT >= 0x0400
         CRITICAL_SECTION* newMutex = new CRITICAL_SECTION;
         InitializeCriticalSection(newMutex);
-#   else
-        _recursionCount = 0;
-        
-        HANDLE newMutex = CreateMutex(0, false, 0);
-        if(newMutex == 0)
-        {
-            LeaveCriticalSection(&_criticalSection);
-            throw ThreadSyscallException(__FILE__, __LINE__, GetLastError());
-        }
-#   endif
 
         //
         // _mutex is written after the new initialized CRITICAL_SECTION/Mutex
@@ -106,6 +86,26 @@ void IceUtil::StaticMutex::initialize() const
     }
     LeaveCriticalSection(&_criticalSection);
 }
+
+bool
+IceUtil::StaticMutex::tryLock() const
+{
+    if(!initialized())
+    {
+        initialize();
+    }
+    if(!TryEnterCriticalSection(_mutex))
+    {
+        return false;
+    }
+    if(_mutex->RecursionCount > 1)
+    {
+        LeaveCriticalSection(_mutex);
+        throw ThreadLockedException(__FILE__, __LINE__);
+    }
+    return true;
+}
+
 #endif
 
 IceUtil::StaticMutex IceUtil::globalMutex = ICE_STATIC_MUTEX_INITIALIZER;