diff --git a/ftk/Makefile b/ftk/Makefile
index 9e9493b..71d8597 100644
--- a/ftk/Makefile
+++ b/ftk/Makefile
@@ -1343,29 +1343,38 @@ libs: status clean dircheck $(ftk_static_lib) $(ftk_shared_lib)
 # -- *.cpp -> *$(obj_suffix) --
 
 ifdef win_target
-define cpp_to_obj_template
-$$($(1)_obj_dir)/%$$(obj_suffix) : %.cpp
-	$$(ec)$$(compiler) $$(ccflags) /Fo$$(call hostpath,$$@) $$(call hostpath,$$<)
-endef
+$(lib_obj_dir)/%$(obj_suffix) : %.cpp
+	$(ec)$(compiler) $(ccflags) /Fo$(call hostpath,$@) $(call hostpath,$<)
 endif
 
-ifdef unix_target
-define cpp_to_obj_template
-$$($(1)_obj_dir)/%$$(obj_suffix) : %.cpp
-	$$(ec)$$(gprintf) "$$<\n"
-	$$(ec)$$(compiler) $$(ccflags) -c $$< -o $$@
-endef
+ifdef win_target
+$(test_obj_dir)/%$(obj_suffix) : %.cpp
+	$(ec)$(compiler) $(ccflags) /Fo$(call hostpath,$@) $(call hostpath,$<)
 endif
 
 ifdef netware_target
-define cpp_to_obj_template
-$$($(1)_obj_dir)/%$(obj_suffix) : %.cpp
-	$$(ec)$$(gprintf) "$$(notdir $$(strip $$@))\n"
-	$$(ec)$$(call hostpath,$$(compiler)) $$(call hostpath,$$<) /fo=$$(call hostpath,$$@)
-endef
+$(lib_obj_dir)/%$(obj_suffix) : %.cpp
+	$(ec)$(gprintf) "$(notdir $(strip $@))\n"
+	$(ec)$(call hostpath,$(compiler)) $(call hostpath,$<) /fo=$(call hostpath,$@)
 endif
 
-$(foreach tmpl,lib test,$(eval $(call cpp_to_obj_template,$(tmpl))))
+ifdef netware_target
+$(test_obj_dir)/%$(obj_suffix) : %.cpp
+	$(ec)$(gprintf) "$(notdir $(strip $@))\n"
+	$(ec)$(call hostpath,$(compiler)) $(call hostpath,$<) /fo=$(call hostpath,$@)
+endif
+
+ifdef unix_target
+$(lib_obj_dir)/%$(obj_suffix) : %.cpp
+	$(ec)$(gprintf) "$<\n"
+	$(ec)$(compiler) $(ccflags) -c $< -o $@
+endif
+
+ifdef unix_target
+$(test_obj_dir)/%$(obj_suffix) : %.cpp
+	$(ec)$(gprintf) "$<\n"
+	$(ec)$(compiler) $(ccflags) -c $< -o $@
+endif
 
 # -- ftk.lib and libftk.a --
 
diff --git a/ftk/src/ftk.h b/ftk/src/ftk.h
index 04d135a..5c67bb0 100644
--- a/ftk/src/ftk.h
+++ b/ftk/src/ftk.h
@@ -42,6 +42,7 @@
 		#undef FLM_LINUX
 		#undef FLM_SOLARIS
 		#undef FLM_SPARC
+		#undef FLM_SPARC_PLUS
 		#undef FLM_HPUX
 		#undef FLM_OSX
 		#undef FLM_BIG_ENDIAN
@@ -111,6 +112,9 @@
 				#define FLM_SPARC
 				#define FLM_BIG_ENDIAN
 				#define FLM_STRICT_ALIGNMENT
+				#if defined( __sparcv8plus) || defined( __sparcv9)
+					#define FLM_SPARC_PLUS
+				#endif
 			#endif
 		#elif defined( sun)
 			#define FLM_SOLARIS
@@ -120,6 +124,9 @@
 			#if defined( sparc) || defined( __sparc) || defined( __sparc__)
 				#define FLM_SPARC
 				#define FLM_BIG_ENDIAN
+				#if defined( __sparcv8plus) || defined( __sparcv9)
+					#define FLM_SPARC_PLUS
+				#endif
 			#endif
 		#elif defined( __hpux) || defined( hpux)
 			#define FLM_HPUX
diff --git a/ftk/src/ftkmisc.cpp b/ftk/src/ftkmisc.cpp
index 6fb009f..01b20a4 100644
--- a/ftk/src/ftkmisc.cpp
+++ b/ftk/src/ftkmisc.cpp
@@ -1214,7 +1214,7 @@ FLMINT32 FLMAPI f_atomicInc(
 	{
 		return( (FLMINT32)OSAtomicIncrement32( (int32_t *)piTarget));
 	}
-	#elif defined( FLM_SOLARIS) && defined( FLM_SPARC) && !defined( FLM_GNUC)
+	#elif defined( FLM_SOLARIS) && defined( FLM_SPARC_PLUS) && !defined( FLM_GNUC)
 	{
 		return( sparc_atomic_add_32( piTarget, 1));
 	}
@@ -1263,7 +1263,7 @@ FLMINT32 FLMAPI f_atomicDec(
 	{
 		return( (FLMINT32)OSAtomicDecrement32( (int32_t *)piTarget));
 	}
-	#elif defined( FLM_SOLARIS) && defined( FLM_SPARC) && !defined( FLM_GNUC)
+	#elif defined( FLM_SOLARIS) && defined( FLM_SPARC_PLUS) && !defined( FLM_GNUC)
 	{
 		return( sparc_atomic_add_32( piTarget, -1));
 	}
@@ -1335,7 +1335,7 @@ FLMINT32 FLMAPI f_atomicExchange(
 		
 		return( (FLMINT32)iOldVal);
 	}
-	#elif defined( FLM_SOLARIS) && defined( FLM_SPARC) && !defined( FLM_GNUC)
+	#elif defined( FLM_SOLARIS) && defined( FLM_SPARC_PLUS) && !defined( FLM_GNUC)
 	{
 		return( sparc_atomic_xchg_32( piTarget, i32NewVal));
 	}
diff --git a/ftk/src/ftksem.cpp b/ftk/src/ftksem.cpp
index 658863e..28ad29b 100644
--- a/ftk/src/ftksem.cpp
+++ b/ftk/src/ftksem.cpp
@@ -191,7 +191,7 @@ void FLMAPI f_mutexDestroy(
 /****************************************************************************
 Desc:
 ****************************************************************************/
-#if defined( FLM_SOLARIS)
+#if defined( FLM_SOLARIS) 
 void FLMAPI f_mutexDestroy(
 	F_MUTEX *	phMutex)
 {
@@ -491,8 +491,6 @@ FINLINE int _sema_timedwait(
 	unsigned int	msecs)
 {
 	int					iErr = 0;
-   struct timeval		now;
-	struct timespec	abstime;
 
    // If timeout is F_SEM_WAITFOREVER, do sem_wait.
 
@@ -502,20 +500,26 @@ FINLINE int _sema_timedwait(
       return( iErr);
    }
 
-   gettimeofday( &now, NULL);
-	abstime.tv_sec = now.tv_sec + ((msecs) ? (msecs / 1000) : 0);
-	abstime.tv_nsec = ( now.tv_usec + ((msecs % 1000) *	1000)) * 1000;
-
-Restart:
-
-	if( (iErr = sema_timedwait( pSem, &abstime)) != 0)
+	for( ;;)
 	{
-		if( iErr == EINTR)
+		if( (iErr = sema_trywait( pSem)) != 0)
 		{
-			iErr = 0;
-			goto Restart;
+			if( iErr == EINTR)
+			{
+				iErr = 0;
+			}
+
+			f_sleep( f_min( msecs, 10));
+			msecs -= f_min( msecs, 10);
+
+			if( !msecs)
+			{
+				iErr = -1;
+				goto Exit;
+			}
+
+			continue;
 		}
-		goto Exit;
 	}
 
 Exit:
@@ -605,11 +609,11 @@ RCODE f_semWait(
 
 	f_assert( hSem != F_SEM_NULL);
 
-	//catch the F_SEM_WAITFOREVER flag so we can directly call _sema_wait
-	//instead of passing F_SEM_WAITFOREVER through to _sema_timedwait.
-	//Note that on AIX the datatype of the uiTimeout (in the timespec
-	//struct) is surprisingly a signed int, which makes this catch
-	//essential.
+	// Catch the F_SEM_WAITFOREVER flag so we can directly call _sema_wait
+	// instead of passing F_SEM_WAITFOREVER through to _sema_timedwait.
+	// Note that on AIX the datatype of the uiTimeout (in the timespec
+	// struct) is surprisingly a signed int, which makes this catch
+	// essential.
 
 	if( uiTimeout == F_SEM_WAITFOREVER)
 	{
diff --git a/ftk/src/ftksys.h b/ftk/src/ftksys.h
index 8c11161..efcee2c 100644
--- a/ftk/src/ftksys.h
+++ b/ftk/src/ftksys.h
@@ -183,7 +183,7 @@
 	/**********************************************************************
 	Desc:
 	**********************************************************************/
-	#if defined( FLM_SOLARIS) && defined( FLM_SPARC) && !defined( FLM_GNUC)
+	#if defined( FLM_SOLARIS) && defined( FLM_SPARC_PLUS) && !defined( FLM_GNUC)
 	extern "C" FLMINT32 sparc_atomic_add_32(
 		volatile FLMINT32 *		piTarget,
 		FLMINT32						iDelta);
@@ -192,7 +192,7 @@
 	/**********************************************************************
 	Desc:
 	**********************************************************************/
-	#if defined( FLM_SOLARIS) && defined( FLM_SPARC) && !defined( FLM_GNUC)
+	#if defined( FLM_SOLARIS) && defined( FLM_SPARC_PLUS) && !defined( FLM_GNUC)
 	extern "C" FLMINT32 sparc_atomic_xchg_32(
 		volatile FLMINT32 *		piTarget,
 		FLMINT32						iNewValue);
diff --git a/ftk/src/ftkunix.cpp b/ftk/src/ftkunix.cpp
index 7a2d7ad..e0c8d7a 100644
--- a/ftk/src/ftkunix.cpp
+++ b/ftk/src/ftkunix.cpp
@@ -1693,7 +1693,7 @@ FLMUINT f_getFSBlockSize(
 /****************************************************************************
 Desc:
 ****************************************************************************/
-#if defined( FLM_SOLARIS) && defined( FLM_SPARC) && !defined( FLM_GNUC)
+#if defined( FLM_SOLARIS) && defined( FLM_SPARC_PLUS) && !defined( FLM_GNUC)
 static void sparc_asm_code( void)
 {
 	asm( ".align 8");