diff -uNr a/GNUmakefile b/GNUmakefile
--- a/GNUmakefile	Wed Jun 23 06:18:51 2010
+++ b/GNUmakefile	Thu Jun 24 23:44:21 2010
@@ -64,7 +64,7 @@
 
 RCFLAGS		= --include-dir=.
 # Uncomment this if config.h defines RETAIN_WSALASTERROR
-#LFLAGS		= -lwsock32
+#LFLAGS		= -lws2_32
 
 # ----------------------------------------------------------------------
 # The library can be built with some alternative behaviour to
diff -uNr a/Makefile b/Makefile
--- a/Makefile	Wed Jun 23 06:18:51 2010
+++ b/Makefile	Thu Jun 24 23:20:10 2010
@@ -27,7 +27,7 @@
 OPTIM	= /O2 /Ob2
 OPTIMD	=
 
-CFLAGS	= /W3 /MD /nologo /I. /D_WIN32_WINNT=0x400 /DHAVE_CONFIG_H
+CFLAGS	= /W3 /nologo /I. /D_WIN32_WINNT=0x400 /DHAVE_CONFIG_H
 CFLAGSD	= /Zi $(CFLAGS)
 
 # Uncomment this if config.h defines RETAIN_WSALASTERROR
@@ -399,50 +399,50 @@
 	@ nmake clean VC-inlined-debug
 
 VCE:
-	@ nmake /nologo EHFLAGS="$(OPTIM) $(VCEFLAGS)" CLEANUP=__CLEANUP_CXX pthreadVCE$(DLL_VER).dll
+	@ nmake /nologo EHFLAGS="$(OPTIM) /MD $(VCEFLAGS)" CLEANUP=__CLEANUP_CXX pthreadVCE$(DLL_VER).dll
 
 VCE-debug:
-	@ nmake /nologo EHFLAGS="$(OPTIMD) $(VCEFLAGSD)" CLEANUP=__CLEANUP_CXX pthreadVCE$(DLL_VERD).dll
+	@ nmake /nologo EHFLAGS="$(OPTIMD) /MDd $(VCEFLAGSD)" CLEANUP=__CLEANUP_CXX pthreadVCE$(DLL_VERD).dll
 
 VSE:
-	@ nmake /nologo EHFLAGS="$(OPTIM) $(VSEFLAGS)" CLEANUP=__CLEANUP_SEH pthreadVSE$(DLL_VER).dll
+	@ nmake /nologo EHFLAGS="$(OPTIM) /MD $(VSEFLAGS)" CLEANUP=__CLEANUP_SEH pthreadVSE$(DLL_VER).dll
 
 VSE-debug:
-	@ nmake /nologo EHFLAGS="$(OPTIMD) $(VSEFLAGSD)" CLEANUP=__CLEANUP_SEH pthreadVSE$(DLL_VERD).dll
+	@ nmake /nologo EHFLAGS="$(OPTIMD) /MDd $(VSEFLAGSD)" CLEANUP=__CLEANUP_SEH pthreadVSE$(DLL_VERD).dll
 
 VC:
-	@ nmake /nologo EHFLAGS="$(OPTIM) $(VCFLAGS)" CLEANUP=__CLEANUP_C pthreadVC$(DLL_VER).dll
+	@ nmake /nologo EHFLAGS="$(OPTIM) /MD $(VCFLAGS)" CLEANUP=__CLEANUP_C pthreadVC$(DLL_VER).dll
 
 VC-debug:
-	@ nmake /nologo EHFLAGS="$(OPTIMD) $(VCFLAGSD)" CLEANUP=__CLEANUP_C pthreadVC$(DLL_VERD).dll
+	@ nmake /nologo EHFLAGS="$(OPTIMD) /MDd $(VCFLAGSD)" CLEANUP=__CLEANUP_C pthreadVC$(DLL_VERD).dll
 
 #
 # The so-called inlined DLL is just a single translation unit with
 # inlining optimisation turned on.
 #
 VCE-inlined:
-	@ nmake /nologo EHFLAGS="$(OPTIM) $(VCEFLAGS) /DPTW32_BUILD_INLINED" CLEANUP=__CLEANUP_CXX pthreadVCE$(DLL_VER).stamp
+	@ nmake /nologo EHFLAGS="$(OPTIM) /MD $(VCEFLAGS) /DPTW32_BUILD_INLINED" CLEANUP=__CLEANUP_CXX pthreadVCE$(DLL_VER).stamp
 
 VCE-inlined-debug:
-	@ nmake /nologo EHFLAGS="$(OPTIMD) $(VCEFLAGSD) /DPTW32_BUILD_INLINED" CLEANUP=__CLEANUP_CXX pthreadVCE$(DLL_VERD).stamp
+	@ nmake /nologo EHFLAGS="$(OPTIMD) /MDd $(VCEFLAGSD) /DPTW32_BUILD_INLINED" CLEANUP=__CLEANUP_CXX pthreadVCE$(DLL_VERD).stamp
 
 VSE-inlined:
-	@ nmake /nologo EHFLAGS="$(OPTIM) $(VSEFLAGS) /DPTW32_BUILD_INLINED" CLEANUP=__CLEANUP_SEH pthreadVSE$(DLL_VER).stamp
+	@ nmake /nologo EHFLAGS="$(OPTIM) /MD $(VSEFLAGS) /DPTW32_BUILD_INLINED" CLEANUP=__CLEANUP_SEH pthreadVSE$(DLL_VER).stamp
 
 VSE-inlined-debug:
-	@ nmake /nologo EHFLAGS="$(OPTIMD) $(VSEFLAGSD) /DPTW32_BUILD_INLINED" CLEANUP=__CLEANUP_SEH pthreadVSE$(DLL_VERD).stamp
+	@ nmake /nologo EHFLAGS="$(OPTIMD) /MDd $(VSEFLAGSD) /DPTW32_BUILD_INLINED" CLEANUP=__CLEANUP_SEH pthreadVSE$(DLL_VERD).stamp
 
 VC-inlined:
-	@ nmake /nologo EHFLAGS="$(OPTIM) $(VCFLAGS) /DPTW32_BUILD_INLINED" CLEANUP=__CLEANUP_C pthreadVC$(DLL_VER).stamp
+	@ nmake /nologo EHFLAGS="$(OPTIM) /MD $(VCFLAGS) /DPTW32_BUILD_INLINED" CLEANUP=__CLEANUP_C pthreadVC$(DLL_VER).stamp
 
 VC-inlined-debug:
-	nmake /nologo EHFLAGS="$(OPTIMD) $(VCFLAGSD) /DPTW32_BUILD_INLINED" CLEANUP=__CLEANUP_C pthreadVC$(DLL_VERD).stamp
+	nmake /nologo EHFLAGS="$(OPTIMD) /MDd $(VCFLAGSD) /DPTW32_BUILD_INLINED" CLEANUP=__CLEANUP_C pthreadVC$(DLL_VERD).stamp
 
 VC-static:
-	@ nmake /nologo EHFLAGS="$(OPTIM) $(VCFLAGS) /DPTW32_BUILD_INLINED /DPTW32_STATIC_LIB" CLEANUP=__CLEANUP_C pthreadVC$(DLL_VER).static
+	@ nmake /nologo EHFLAGS="$(OPTIM) /MT $(VCFLAGS) /DPTW32_BUILD_INLINED /DPTW32_STATIC_LIB" CLEANUP=__CLEANUP_C pthreadVC$(DLL_VER).static
 
 VC-static-debug:
-	@ nmake /nologo EHFLAGS="$(OPTIMD) $(VCFLAGSD) /DPTW32_BUILD_INLINED /DPTW32_STATIC_LIB" CLEANUP=__CLEANUP_C pthreadVC$(DLL_VERD).static
+	@ nmake /nologo EHFLAGS="$(OPTIMD) /MTd $(VCFLAGSD) /DPTW32_BUILD_INLINED /DPTW32_STATIC_LIB" CLEANUP=__CLEANUP_C pthreadVC$(DLL_VERD).static
 
 realclean: clean
 	if exist pthread*.dll del pthread*.dll
diff -uNr a/config.h b/config.h
--- a/config.h	Wed Jun 23 06:18:51 2010
+++ b/config.h	Thu Jun 24 23:20:10 2010
@@ -124,6 +124,9 @@
 
 #ifdef __MINGW32__
 #define HAVE_MODE_T
+#ifdef _WIN64
+#define HAVE_STRUCT_TIMESPEC 1
+#endif
 #endif
 
 #ifdef __BORLANDC__
diff -uNr a/create.c b/create.c
--- a/create.c	Sat Jan  6 13:44:40 2007
+++ b/create.c	Thu Jun 24 23:20:10 2010
@@ -90,7 +90,7 @@
   int result = EAGAIN;
   int run = PTW32_TRUE;
   ThreadParms *parms = NULL;
-  long stackSize;
+  size_t stackSize;
   int priority;
   pthread_t self;
 
diff -uNr a/implement.h b/implement.h
--- a/implement.h	Wed Jun 23 06:18:51 2010
+++ b/implement.h	Thu Jun 24 23:44:11 2010
@@ -77,14 +77,37 @@
 #include "sched.h"
 
 #if defined(HAVE_C_INLINE) || defined(__cplusplus)
-#define INLINE inline
+#   define INLINE inline
+#   ifdef PTW32_BUILD_INLINED
+#       define EXTERN_INLINE inline
+#   else
+#       define EXTERN_INLINE
+#   endif
 #else
-#define INLINE
+#   define INLINE
+#   define EXTERN_INLINE
+#endif
+
+#if (defined(_MSC_VER) && _MSC_VER < 1200 || defined(__DMC__)) && !defined(_WIN64)
+/*
+ * VC++5.0 or early compiler's header has no INT_PTR/UINT_PTR types.
+ */
+#define INT_PTR long
+#define UINT_PTR unsigned long
+#endif
+
+#if defined(_MSC_VER) && _MSC_VER < 1300 || defined(__DMC__)
+/*
+ * VC++6.0 or early compiler's header has no DWORD_PTR/LONG_PTR/ULONG_PTR types.
+ */
+#define DWORD_PTR UINT_PTR
+#define LONG_PTR INT_PTR
+#define ULONG_PTR UINT_PTR
 #endif
 
 #if defined (__MINGW32__) || (_MSC_VER >= 1300)
-#define PTW32_INTERLOCKED_LONG long
-#define PTW32_INTERLOCKED_LPLONG long*
+#define PTW32_INTERLOCKED_LONG LONG
+#define PTW32_INTERLOCKED_LPLONG LPLONG
 #else
 #define PTW32_INTERLOCKED_LONG PVOID
 #define PTW32_INTERLOCKED_LPLONG PVOID*
@@ -219,7 +242,7 @@
 };
 
 /*
- * Possible values, other than PTW32_OBJECT_INVALID,
+ * Possible values, other than PTW32_SPIN_INVALID,
  * for the "interlock" element in a spinlock.
  *
  * In this implementation, when a spinlock is initialised,
@@ -235,13 +258,14 @@
  * "u.cpus" isn't used for anything yet, but could be used at
  * some point to optimise spinlock behaviour.
  */
+#define PTW32_SPIN_INVALID     (0)
 #define PTW32_SPIN_UNLOCKED    (1)
 #define PTW32_SPIN_LOCKED      (2)
 #define PTW32_SPIN_USE_MUTEX   (3)
 
 struct pthread_spinlock_t_
 {
-  long interlock;		/* Locking element for multi-cpus. */
+  LONG interlock;		/* Locking element for multi-cpus. */
   union
   {
     int cpus;			/* No. of cpus if multi cpus, or   */
@@ -256,9 +280,9 @@
 {
   struct ptw32_mcs_node_t_ **lock;        /* ptr to tail of queue */
   struct ptw32_mcs_node_t_  *next;        /* ptr to successor in queue */
-  LONG                       readyFlag;   /* set after lock is released by
+  LONG_PTR                   readyFlag;   /* set after lock is released by
                                              predecessor */
-  LONG                       nextFlag;    /* set after 'next' ptr is set by
+  LONG_PTR                   nextFlag;    /* set after 'next' ptr is set by
                                              successor */
 };
 
@@ -268,8 +292,8 @@
 
 struct pthread_barrier_t_
 {
-  unsigned int nCurrentBarrierHeight;
-  unsigned int nInitialBarrierHeight;
+  ULONG nCurrentBarrierHeight;
+  ULONG nInitialBarrierHeight;
   int pshared;
   sem_t semBarrierBreeched;
   void * lock; /* MCS lock */
@@ -567,6 +591,7 @@
   int ptw32_cond_check_need_init (pthread_cond_t * cond);
   int ptw32_mutex_check_need_init (pthread_mutex_t * mutex);
   int ptw32_rwlock_check_need_init (pthread_rwlock_t * rwlock);
+  int ptw32_spinlock_check_need_init (pthread_spinlock_t * lock);
 
   PTW32_INTERLOCKED_LONG WINAPI
     ptw32_InterlockedCompareExchange (PTW32_INTERLOCKED_LPLONG location,
@@ -663,8 +688,8 @@
 #       endif
 #   endif
 #else
-#       include <process.h>
-#   endif
+#   include <process.h>
+#endif
 
 
 /*
@@ -672,11 +697,15 @@
  * See ptw32_InterlockedCompareExchange.c
  */
 #ifndef PTW32_INTERLOCKED_COMPARE_EXCHANGE
-#    define PTW32_INTERLOCKED_COMPARE_EXCHANGE ptw32_interlocked_compare_exchange
-#  endif
+#   ifdef _WIN64
+#       define PTW32_INTERLOCKED_COMPARE_EXCHANGE InterlockedCompareExchange
+#   else
+#       define PTW32_INTERLOCKED_COMPARE_EXCHANGE ptw32_interlocked_compare_exchange
+#   endif
+#endif
 
 #ifndef PTW32_INTERLOCKED_EXCHANGE
-#define PTW32_INTERLOCKED_EXCHANGE InterlockedExchange
+#   define PTW32_INTERLOCKED_EXCHANGE InterlockedExchange
 #endif
 
 
diff -uNr a/pthread.h b/pthread.h
--- a/pthread.h	Wed Jun 23 06:18:51 2010
+++ b/pthread.h	Thu Jun 24 23:20:10 2010
@@ -198,12 +198,6 @@
 #include <windows.h>
 #endif
 
-#if defined(_MSC_VER) && _MSC_VER < 1300 || defined(__DMC__)
-/*
- * VC++6.0 or early compiler's header has no DWORD_PTR type.
- */
-typedef unsigned long DWORD_PTR;
-#endif
 /*
  * -----------------
  * autoconf switches
@@ -248,6 +242,9 @@
 #  if defined(_UWIN) || defined(__MINGW32__)
 #    define HAVE_MODE_T
 #  endif
+#  if defined(__MINGW32__) && defined(_WIN64)
+#    define HAVE_STRUCT_TIMESPEC 1
+#  endif
 #endif
 
 /*
@@ -1227,6 +1224,7 @@
 #  endif
 #endif
 
+#if 0
 /*
  * WIN32 C runtime library had been made thread-safe
  * without affecting the user interface. Provide
@@ -1266,6 +1264,7 @@
 #define rand_r( _seed ) \
         ( _seed == _seed? rand() : rand() )
 
+#endif
 
 /*
  * Some compiler environments don't define some things.
diff -uNr a/pthread_barrier_wait.c b/pthread_barrier_wait.c
--- a/pthread_barrier_wait.c	Wed Jun 23 06:18:52 2010
+++ b/pthread_barrier_wait.c	Thu Jun 24 23:20:10 2010
@@ -87,8 +87,8 @@
       result = ptw32_semwait (&(b->semBarrierBreeched));
     }
 
-  if ((PTW32_INTERLOCKED_LONG)InterlockedIncrement((LPLONG)&b->nCurrentBarrierHeight)
-		  == (PTW32_INTERLOCKED_LONG)b->nInitialBarrierHeight)
+  if ((ULONG)InterlockedIncrement((LPLONG)&b->nCurrentBarrierHeight)
+		  == b->nInitialBarrierHeight)
     {
   /*
        * We are the last thread to cross this barrier
diff -uNr a/pthread_cancel.c b/pthread_cancel.c
--- a/pthread_cancel.c	Wed Jun 23 06:18:52 2010
+++ b/pthread_cancel.c	Thu Jun 24 23:20:10 2010
@@ -47,7 +47,7 @@
 }
 
 static void CALLBACK
-ptw32_cancel_callback (DWORD unused)
+ptw32_cancel_callback (DWORD_PTR unused)
 {
   ptw32_throw (PTW32_EPS_CANCEL);
 
diff -uNr a/pthread_exit.c b/pthread_exit.c
--- a/pthread_exit.c	Tue May 15 13:46:42 2007
+++ b/pthread_exit.c	Thu Jun 24 23:20:10 2010
@@ -89,7 +89,7 @@
        */
 
 #if ! defined (__MINGW32__) || defined (__MSVCRT__)  || defined (__DMC__)
-      _endthreadex ((unsigned) value_ptr);
+      _endthreadex ((unsigned)(UINT_PTR) value_ptr);
 #else
       _endthread ();
 #endif
diff -uNr a/pthread_mutex_lock.c b/pthread_mutex_lock.c
--- a/pthread_mutex_lock.c	Tue May 15 13:46:42 2007
+++ b/pthread_mutex_lock.c	Thu Jun 24 23:20:10 2010
@@ -72,11 +72,11 @@
 
   if (mx->kind == PTHREAD_MUTEX_NORMAL)
     {
-      if ((LONG) PTW32_INTERLOCKED_EXCHANGE(
+      if (PTW32_INTERLOCKED_EXCHANGE(
 		   (LPLONG) &mx->lock_idx,
 		   (LONG) 1) != 0)
 	{
-	  while ((LONG) PTW32_INTERLOCKED_EXCHANGE(
+	  while (PTW32_INTERLOCKED_EXCHANGE(
                           (LPLONG) &mx->lock_idx,
 			  (LONG) -1) != 0)
 	    {
@@ -92,7 +92,7 @@
     {
       pthread_t self = pthread_self();
 
-      if ((PTW32_INTERLOCKED_LONG) PTW32_INTERLOCKED_COMPARE_EXCHANGE(
+      if ((LONG) PTW32_INTERLOCKED_COMPARE_EXCHANGE(
                    (PTW32_INTERLOCKED_LPLONG) &mx->lock_idx,
 		   (PTW32_INTERLOCKED_LONG) 1,
 		   (PTW32_INTERLOCKED_LONG) 0) == 0)
@@ -115,7 +115,7 @@
 	    }
 	  else
 	    {
-	      while ((LONG) PTW32_INTERLOCKED_EXCHANGE(
+	      while (PTW32_INTERLOCKED_EXCHANGE(
                               (LPLONG) &mx->lock_idx,
 			      (LONG) -1) != 0)
 		{
diff -uNr a/pthread_mutex_timedlock.c b/pthread_mutex_timedlock.c
--- a/pthread_mutex_timedlock.c	Mon Apr 25 14:42:42 2005
+++ b/pthread_mutex_timedlock.c	Thu Jun 24 23:20:10 2010
@@ -134,11 +134,11 @@
 
   if (mx->kind == PTHREAD_MUTEX_NORMAL)
     {
-      if ((LONG) PTW32_INTERLOCKED_EXCHANGE(
+      if (PTW32_INTERLOCKED_EXCHANGE(
 		   (LPLONG) &mx->lock_idx,
 		   (LONG) 1) != 0)
 	{
-          while ((LONG) PTW32_INTERLOCKED_EXCHANGE(
+          while (PTW32_INTERLOCKED_EXCHANGE(
                           (LPLONG) &mx->lock_idx,
 			  (LONG) -1) != 0)
             {
@@ -153,7 +153,7 @@
     {
       pthread_t self = pthread_self();
 
-      if ((PTW32_INTERLOCKED_LONG) PTW32_INTERLOCKED_COMPARE_EXCHANGE(
+      if ((LONG) PTW32_INTERLOCKED_COMPARE_EXCHANGE(
                    (PTW32_INTERLOCKED_LPLONG) &mx->lock_idx,
 		   (PTW32_INTERLOCKED_LONG) 1,
 		   (PTW32_INTERLOCKED_LONG) 0) == 0)
@@ -176,7 +176,7 @@
 	    }
 	  else
 	    {
-              while ((LONG) PTW32_INTERLOCKED_EXCHANGE(
+              while (PTW32_INTERLOCKED_EXCHANGE(
                               (LPLONG) &mx->lock_idx,
 			      (LONG) -1) != 0)
                 {
diff -uNr a/pthread_mutex_unlock.c b/pthread_mutex_unlock.c
--- a/pthread_mutex_unlock.c	Tue Jan 25 07:58:21 2005
+++ b/pthread_mutex_unlock.c	Thu Jun 24 23:20:10 2010
@@ -61,8 +61,8 @@
 	{
 	  LONG idx;
 
-	  idx = (LONG) PTW32_INTERLOCKED_EXCHANGE ((LPLONG) &mx->lock_idx,
-						   (LONG) 0);
+	  idx = PTW32_INTERLOCKED_EXCHANGE ((LPLONG) &mx->lock_idx,
+					    (LONG) 0);
 	  if (idx != 0)
 	    {
 	      if (idx < 0)
@@ -93,8 +93,8 @@
 		{
 		  mx->ownerThread.p = NULL;
 
-		  if ((LONG) PTW32_INTERLOCKED_EXCHANGE ((LPLONG) &mx->lock_idx,
-							 (LONG) 0) < 0)
+		  if (PTW32_INTERLOCKED_EXCHANGE ((LPLONG) &mx->lock_idx,
+						  (LONG) 0) < 0)
 		    {
 		      /* Someone may be waiting on that mutex */
 		      if (SetEvent (mx->event) == 0)
diff -uNr a/pthread_spin_destroy.c b/pthread_spin_destroy.c
--- a/pthread_spin_destroy.c	Sat Jan  1 14:36:17 2005
+++ b/pthread_spin_destroy.c	Thu Jun 24 23:20:10 2010
@@ -55,13 +55,11 @@
 	{
 	  result = pthread_mutex_destroy (&(s->u.mutex));
 	}
-      else if ((PTW32_INTERLOCKED_LONG) PTW32_SPIN_UNLOCKED !=
-	       PTW32_INTERLOCKED_COMPARE_EXCHANGE ((PTW32_INTERLOCKED_LPLONG)
-						   & (s->interlock),
-						   (PTW32_INTERLOCKED_LONG)
-						   PTW32_OBJECT_INVALID,
-						   (PTW32_INTERLOCKED_LONG)
-						   PTW32_SPIN_UNLOCKED))
+      else if (PTW32_SPIN_UNLOCKED !=
+	       (LONG)PTW32_INTERLOCKED_COMPARE_EXCHANGE (
+						   (PTW32_INTERLOCKED_LPLONG)&(s->interlock),
+						   (PTW32_INTERLOCKED_LONG)PTW32_SPIN_INVALID,
+						   (PTW32_INTERLOCKED_LONG)PTW32_SPIN_UNLOCKED))
 	{
 	  result = EINVAL;
 	}
diff -uNr a/pthread_spin_lock.c b/pthread_spin_lock.c
--- a/pthread_spin_lock.c	Sat Jan  1 14:36:17 2005
+++ b/pthread_spin_lock.c	Thu Jun 24 23:20:10 2010
@@ -60,13 +60,11 @@
 
   s = *lock;
 
-  while ((PTW32_INTERLOCKED_LONG) PTW32_SPIN_LOCKED ==
-	 PTW32_INTERLOCKED_COMPARE_EXCHANGE ((PTW32_INTERLOCKED_LPLONG) &
-					     (s->interlock),
-					     (PTW32_INTERLOCKED_LONG)
-					     PTW32_SPIN_LOCKED,
-					     (PTW32_INTERLOCKED_LONG)
-					     PTW32_SPIN_UNLOCKED))
+  while (PTW32_SPIN_LOCKED ==
+	 (LONG)PTW32_INTERLOCKED_COMPARE_EXCHANGE (
+					     (PTW32_INTERLOCKED_LPLONG)&(s->interlock),
+					     (PTW32_INTERLOCKED_LONG)PTW32_SPIN_LOCKED,
+					     (PTW32_INTERLOCKED_LONG)PTW32_SPIN_UNLOCKED))
     {
     }
 
diff -uNr a/pthread_spin_trylock.c b/pthread_spin_trylock.c
--- a/pthread_spin_trylock.c	Sat Jan  1 14:36:17 2005
+++ b/pthread_spin_trylock.c	Thu Jun 24 23:20:10 2010
@@ -60,13 +60,11 @@
 
   s = *lock;
 
-  switch ((long)
-	  PTW32_INTERLOCKED_COMPARE_EXCHANGE ((PTW32_INTERLOCKED_LPLONG) &
-					      (s->interlock),
-					      (PTW32_INTERLOCKED_LONG)
-					      PTW32_SPIN_LOCKED,
-					      (PTW32_INTERLOCKED_LONG)
-					      PTW32_SPIN_UNLOCKED))
+  switch ((LONG)
+	  PTW32_INTERLOCKED_COMPARE_EXCHANGE (
+					      (PTW32_INTERLOCKED_LPLONG)&(s->interlock),
+					      (PTW32_INTERLOCKED_LONG)PTW32_SPIN_LOCKED,
+					      (PTW32_INTERLOCKED_LONG)PTW32_SPIN_UNLOCKED))
     {
     case PTW32_SPIN_UNLOCKED:
       return 0;
diff -uNr a/pthread_spin_unlock.c b/pthread_spin_unlock.c
--- a/pthread_spin_unlock.c	Sat Jan  1 14:36:17 2005
+++ b/pthread_spin_unlock.c	Thu Jun 24 23:20:10 2010
@@ -55,13 +55,11 @@
       return EPERM;
     }
 
-  switch ((long)
-	  PTW32_INTERLOCKED_COMPARE_EXCHANGE ((PTW32_INTERLOCKED_LPLONG) &
-					      (s->interlock),
-					      (PTW32_INTERLOCKED_LONG)
-					      PTW32_SPIN_UNLOCKED,
-					      (PTW32_INTERLOCKED_LONG)
-					      PTW32_SPIN_LOCKED))
+  switch ((LONG)
+	  PTW32_INTERLOCKED_COMPARE_EXCHANGE (
+					      (PTW32_INTERLOCKED_LPLONG)&(s->interlock),
+					      (PTW32_INTERLOCKED_LONG)PTW32_SPIN_UNLOCKED,
+					      (PTW32_INTERLOCKED_LONG)PTW32_SPIN_LOCKED))
     {
     case PTW32_SPIN_LOCKED:
       return 0;
diff -uNr a/pthread_timechange_handler_np.c b/pthread_timechange_handler_np.c
--- a/pthread_timechange_handler_np.c	Sat Jan  1 14:36:17 2005
+++ b/pthread_timechange_handler_np.c	Thu Jun 24 23:20:10 2010
@@ -103,5 +103,5 @@
 
   LeaveCriticalSection (&ptw32_cond_list_lock);
 
-  return (void *) (result != 0 ? EAGAIN : 0);
+  return (void *)(INT_PTR) (result != 0 ? EAGAIN : 0);
 }
diff -uNr a/ptw32_MCS_lock.c b/ptw32_MCS_lock.c
--- a/ptw32_MCS_lock.c	Wed Jun 23 06:18:52 2010
+++ b/ptw32_MCS_lock.c	Thu Jun 24 23:20:10 2010
@@ -98,13 +98,20 @@
  * Set event if an event handle has been stored in the flag, and
  * set flag to -1 otherwise. Note that -1 cannot be a valid handle value.
  */
-INLINE void 
-ptw32_mcs_flag_set (LONG * flag)
+static INLINE void 
+ptw32_mcs_flag_set (LONG_PTR * flag)
 {
+#ifdef _WIN64
+  HANDLE e = (HANDLE)InterlockedCompareExchange64(
+						(PLONGLONG)flag,
+						(LONGLONG)-1,
+						(LONGLONG)0);
+#else
   HANDLE e = (HANDLE)PTW32_INTERLOCKED_COMPARE_EXCHANGE(
 						(PTW32_INTERLOCKED_LPLONG)flag,
 						(PTW32_INTERLOCKED_LONG)-1,
 						(PTW32_INTERLOCKED_LONG)0);
+#endif
   if ((HANDLE)0 != e)
     {
       /* another thread has already stored an event handle in the flag */
@@ -118,19 +125,30 @@
  * Store an event handle in the flag and wait on it if the flag has not been
  * set, and proceed without creating an event otherwise.
  */
-INLINE void 
-ptw32_mcs_flag_wait (LONG * flag)
+static INLINE void 
+ptw32_mcs_flag_wait (LONG_PTR * flag)
 {
+#ifdef _WIN64
+  if (0 == InterlockedExchangeAdd64((PLONGLONG)flag, 0)) /* MBR fence */
+#else
   if (0 == InterlockedExchangeAdd((LPLONG)flag, 0)) /* MBR fence */
+#endif
     {
       /* the flag is not set. create event. */
 
       HANDLE e = CreateEvent(NULL, PTW32_FALSE, PTW32_FALSE, NULL);
 
-      if (0 == PTW32_INTERLOCKED_COMPARE_EXCHANGE(
+#ifdef _WIN64
+      if (0 == InterlockedCompareExchange64(
+			                  (PLONGLONG)flag,
+			                  (LONGLONG)e,
+			                  (LONGLONG)0))
+#else
+      if (0 == (LONG) PTW32_INTERLOCKED_COMPARE_EXCHANGE(
 			                  (PTW32_INTERLOCKED_LPLONG)flag,
 			                  (PTW32_INTERLOCKED_LONG)e,
 			                  (PTW32_INTERLOCKED_LONG)0))
+#endif
 	{
 	  /* stored handle in the flag. wait on it now. */
 	  WaitForSingleObject(e, INFINITE);
@@ -148,7 +166,7 @@
  * Algorithms for Scalable Synchronization on Shared-Memory Multiprocessors.
  * ACM Transactions on Computer Systems, 9(1):21-65, Feb. 1991.
  */
-INLINE void 
+EXTERN_INLINE void 
 ptw32_mcs_lock_acquire (ptw32_mcs_lock_t * lock, ptw32_mcs_local_node_t * node)
 {
   ptw32_mcs_local_node_t  *pred;
@@ -159,8 +177,13 @@
   node->next = 0; /* initially, no successor */
   
   /* queue for the lock */
-  pred = (ptw32_mcs_local_node_t *)PTW32_INTERLOCKED_EXCHANGE((PTW32_INTERLOCKED_LPLONG)lock,
-						              (PTW32_INTERLOCKED_LONG)node);
+#ifdef _WIN64
+  pred = (ptw32_mcs_local_node_t *)InterlockedExchange64((PLONGLONG)lock,
+						         (LONGLONG)node);
+#else
+  pred = (ptw32_mcs_local_node_t *)PTW32_INTERLOCKED_EXCHANGE((LPLONG)lock,
+						              (LONG)node);
+#endif
 
   if (0 != pred)
     {
@@ -179,22 +202,33 @@
  * Algorithms for Scalable Synchronization on Shared-Memory Multiprocessors.
  * ACM Transactions on Computer Systems, 9(1):21-65, Feb. 1991.
  */
-INLINE void 
+EXTERN_INLINE void 
 ptw32_mcs_lock_release (ptw32_mcs_local_node_t * node)
 {
   ptw32_mcs_lock_t *lock = node->lock;
   ptw32_mcs_local_node_t *next = (ptw32_mcs_local_node_t *)
+#ifdef _WIN64
+    InterlockedExchangeAdd64((PLONGLONG)&node->next,
+                             (LONGLONG)0); /* MBR fence */
+#else
     InterlockedExchangeAdd((LPLONG)&node->next,
                            (LONG)0); /* MBR fence */
+#endif
 
   if (0 == next)
     {
       /* no known successor */
 
       if (node == (ptw32_mcs_local_node_t *)
+#ifdef _WIN64
+	  InterlockedCompareExchange64((PLONGLONG)lock,
+				       (LONGLONG)0,
+				       (LONGLONG)node))
+#else
 	  PTW32_INTERLOCKED_COMPARE_EXCHANGE((PTW32_INTERLOCKED_LPLONG)lock,
 					     (PTW32_INTERLOCKED_LONG)0,
 					     (PTW32_INTERLOCKED_LONG)node))
+#endif
 	{
 	  /* no successor, lock is free now */
 	  return;
@@ -203,7 +237,11 @@
       /* wait for successor */
       ptw32_mcs_flag_wait(&node->nextFlag);
       next = (ptw32_mcs_local_node_t *)
+#ifdef _WIN64
+	InterlockedExchangeAdd64((PLONGLONG)&node->next, 0); /* MBR fence */
+#else
 	InterlockedExchangeAdd((LPLONG)&node->next, 0); /* MBR fence */
+#endif
     }
 
   /* pass the lock */
@@ -213,7 +251,7 @@
 /*
   * ptw32_mcs_lock_try_acquire
  */
-INLINE int
+EXTERN_INLINE int
 ptw32_mcs_lock_try_acquire (ptw32_mcs_lock_t * lock, ptw32_mcs_local_node_t * node)
 {
   node->lock = lock;
@@ -221,11 +259,19 @@
   node->readyFlag = 0;
   node->next = 0; /* initially, no successor */
 
-  return ((PTW32_INTERLOCKED_LPLONG)PTW32_INTERLOCKED_COMPARE_EXCHANGE(
+#ifdef _WIN64
+  return (InterlockedCompareExchange64(
+                                      (PLONGLONG)lock,
+                                      (LONGLONG)node,
+                                      (LONGLONG)0)
+               == 0) ? 0 : EBUSY;
+#else
+  return ((LONG) PTW32_INTERLOCKED_COMPARE_EXCHANGE(
                                       (PTW32_INTERLOCKED_LPLONG)lock,
                                       (PTW32_INTERLOCKED_LONG)node,
                                       (PTW32_INTERLOCKED_LONG)0)
-               == (PTW32_INTERLOCKED_LPLONG)0) ? 0 : EBUSY;
+               == 0) ? 0 : EBUSY;
+#endif
 }
 
 /*
@@ -239,7 +285,7 @@
  *
  * Should only be called by the thread that has the lock.
  */
-INLINE void
+EXTERN_INLINE void
 ptw32_mcs_node_substitute (ptw32_mcs_local_node_t * new_node, ptw32_mcs_local_node_t * old_node)
 {
   new_node->lock = old_node->lock;
@@ -247,9 +293,15 @@
   new_node->readyFlag = 0; /* Not needed - we were waiting on this */
   new_node->next = 0;
 
+#ifdef _WIN64
+  if ((ptw32_mcs_local_node_t *)InterlockedCompareExchange64((PLONGLONG)new_node->lock,
+                                                             (LONGLONG)new_node,
+                                                             (LONGLONG)old_node) != old_node)
+#else
   if ((ptw32_mcs_local_node_t *)PTW32_INTERLOCKED_COMPARE_EXCHANGE((PTW32_INTERLOCKED_LPLONG)new_node->lock,
                                                                    (PTW32_INTERLOCKED_LONG)new_node,
                                                                    (PTW32_INTERLOCKED_LONG)old_node) != old_node)
+#endif
     {
       /*
        * A successor has queued after us, so wait for them to link to us
diff -uNr a/ptw32_callUserDestroyRoutines.c b/ptw32_callUserDestroyRoutines.c
--- a/ptw32_callUserDestroyRoutines.c	Mon May  9 08:31:31 2005
+++ b/ptw32_callUserDestroyRoutines.c	Thu Jun 24 23:20:10 2010
@@ -39,10 +39,20 @@
 #include "implement.h"
 
 #ifdef __cplusplus
-# if ! defined (_MSC_VER) && ! (defined(__GNUC__) && __GNUC__ < 3) && ! defined(__WATCOMC__)
+#if defined(_MSC_VER)
+# include <eh.h>
+#elif defined(__WATCOMC__)
+# include <eh.h>
+# include <exceptio.h>
+#else
+# if defined(__GNUC__) && __GNUC__ < 3
+#   include <new.h>
+# else
+#   include <new>
 using
   std::terminate;
 # endif
+#endif
 #endif
 
 void
diff -uNr a/ptw32_cond_check_need_init.c b/ptw32_cond_check_need_init.c
--- a/ptw32_cond_check_need_init.c	Sat Jan  1 14:36:17 2005
+++ b/ptw32_cond_check_need_init.c	Thu Jun 24 23:20:10 2010
@@ -39,7 +39,7 @@
 #include "implement.h"
 
 
-INLINE int
+EXTERN_INLINE int
 ptw32_cond_check_need_init (pthread_cond_t * cond)
 {
   int result = 0;
diff -uNr a/ptw32_mutex_check_need_init.c b/ptw32_mutex_check_need_init.c
--- a/ptw32_mutex_check_need_init.c	Sat Jan  1 14:36:17 2005
+++ b/ptw32_mutex_check_need_init.c	Thu Jun 24 23:20:10 2010
@@ -45,7 +45,7 @@
 static pthread_mutexattr_t ptw32_errorcheck_mutexattr = &ptw32_errorcheck_mutexattr_s;
 
 
-INLINE int
+EXTERN_INLINE int
 ptw32_mutex_check_need_init (pthread_mutex_t * mutex)
 {
   register int result = 0;
diff -uNr a/ptw32_relmillisecs.c b/ptw32_relmillisecs.c
--- a/ptw32_relmillisecs.c	Tue May 15 13:46:42 2007
+++ b/ptw32_relmillisecs.c	Thu Jun 24 23:20:10 2010
@@ -44,7 +44,7 @@
 #endif
 
 
-INLINE DWORD
+EXTERN_INLINE DWORD
 ptw32_relmillisecs (const struct timespec * abstime)
 {
   const int64_t NANOSEC_PER_MILLISEC = 1000000;
diff -uNr a/ptw32_rwlock_check_need_init.c b/ptw32_rwlock_check_need_init.c
--- a/ptw32_rwlock_check_need_init.c	Sat Jan  1 14:36:18 2005
+++ b/ptw32_rwlock_check_need_init.c	Thu Jun 24 23:20:10 2010
@@ -37,7 +37,7 @@
 #include "pthread.h"
 #include "implement.h"
 
-INLINE int
+EXTERN_INLINE int
 ptw32_rwlock_check_need_init (pthread_rwlock_t * rwlock)
 {
   int result = 0;
diff -uNr a/ptw32_spinlock_check_need_init.c b/ptw32_spinlock_check_need_init.c
--- a/ptw32_spinlock_check_need_init.c	Sat Jan  1 14:36:18 2005
+++ b/ptw32_spinlock_check_need_init.c	Thu Jun 24 23:44:52 2010
@@ -38,7 +38,7 @@
 #include "implement.h"
 
 
-INLINE int
+EXTERN_INLINE int
 ptw32_spinlock_check_need_init (pthread_spinlock_t * lock)
 {
   int result = 0;
diff -uNr a/ptw32_threadStart.c b/ptw32_threadStart.c
--- a/ptw32_threadStart.c	Sun May 15 15:28:27 2005
+++ b/ptw32_threadStart.c	Thu Jun 24 23:20:10 2010
@@ -344,7 +344,7 @@
 #endif
 
 #if ! defined (__MINGW32__) || defined (__MSVCRT__) || defined (__DMC__)
-  _endthreadex ((unsigned) status);
+  _endthreadex ((unsigned)(UINT_PTR) status);
 #else
   _endthread ();
 #endif
@@ -354,7 +354,7 @@
    */
 
 #if ! defined (__MINGW32__) || defined (__MSVCRT__) || defined (__DMC__)
-  return (unsigned) status;
+  return (unsigned)(UINT_PTR) status;
 #endif
 
 }				/* ptw32_threadStart */
diff -uNr a/ptw32_throw.c b/ptw32_throw.c
--- a/ptw32_throw.c	Fri Jun  6 00:23:20 2008
+++ b/ptw32_throw.c	Thu Jun 24 23:20:10 2010
@@ -79,12 +79,12 @@
       switch (exception)
 	{
 	case PTW32_EPS_CANCEL:
-	  exitCode = (unsigned) PTHREAD_CANCELED;
+	  exitCode = (unsigned)(UINT_PTR) PTHREAD_CANCELED;
 	  break;
 	case PTW32_EPS_EXIT:
 	  if (NULL != sp)
 	    {
-	      exitCode = (unsigned) sp->exitStatus;
+	      exitCode = (unsigned)(UINT_PTR) sp->exitStatus;
 	    }
 	  break;
 	}
@@ -166,7 +166,7 @@
 
 #else
 
-  return (DWORD) NULL;
+  return (DWORD)(DWORD_PTR) NULL;
 
 #endif
 }
diff -uNr a/ptw32_timespec.c b/ptw32_timespec.c
--- a/ptw32_timespec.c	Sat Jan  1 14:36:18 2005
+++ b/ptw32_timespec.c	Thu Jun 24 23:20:10 2010
@@ -47,7 +47,7 @@
 #define PTW32_TIMESPEC_TO_FILETIME_OFFSET \
 	  ( ((LONGLONG) 27111902 << 32) + (LONGLONG) 3577643008 )
 
-INLINE void
+EXTERN_INLINE void
 ptw32_timespec_to_filetime (const struct timespec *ts, FILETIME * ft)
      /*
       * -------------------------------------------------------------------
@@ -62,7 +62,7 @@
     + (ts->tv_nsec + 50) / 100 + PTW32_TIMESPEC_TO_FILETIME_OFFSET;
 }
 
-INLINE void
+EXTERN_INLINE void
 ptw32_filetime_to_timespec (const FILETIME * ft, struct timespec *ts)
      /*
       * -------------------------------------------------------------------