diff --git a/src/gos/gos_chibios.h b/src/gos/gos_chibios.h
index c4755020..30a65423 100644
--- a/src/gos/gos_chibios.h
+++ b/src/gos/gos_chibios.h
@@ -56,6 +56,7 @@ typedef tprio_t		threadpriority_t;
 
 #define DECLARE_THREAD_STACK(name, sz)			WORKING_AREA(name, sz)
 #define DECLARE_THREAD_FUNCTION(fnName, param)	threadreturn_t fnName(void *param)
+#define THREAD_RETURN(retval)					return retval
 
 #if CH_KERNEL_MAJOR == 2
 	typedef struct {
diff --git a/src/gos/gos_ecos.h b/src/gos/gos_ecos.h
index be9037b6..cd5678df 100644
--- a/src/gos/gos_ecos.h
+++ b/src/gos/gos_ecos.h
@@ -46,6 +46,7 @@ typedef cyg_handle_t		gfxThreadHandle;
 
 #define DECLARE_THREAD_STACK(name, sz)			struct { cyg_thread t; unsigned char stk[sz]; } name[1]
 #define DECLARE_THREAD_FUNCTION(fnName, param)	threadreturn_t fnName(cyg_addrword_t param)
+#define THREAD_RETURN(retval)
 
 typedef struct {
 	cyg_sem_t	sem;
diff --git a/src/gos/gos_freertos.h b/src/gos/gos_freertos.h
index d6dcf5c5..574e13ae 100644
--- a/src/gos/gos_freertos.h
+++ b/src/gos/gos_freertos.h
@@ -62,6 +62,7 @@ typedef portBASE_TYPE		threadpriority_t;
 /* FreeRTOS will allocate the stack when creating the thread, so pass the size instead of a working area */
 #define DECLARE_THREAD_STACK(name, sz)			size_t *name = (size_t *)sz
 #define DECLARE_THREAD_FUNCTION(fnName, param)	threadreturn_t fnName(void *param)
+#define THREAD_RETURN(retval)
 portTickType MS2ST(portTickType ms);
 
 typedef struct {
diff --git a/src/gos/gos_linux.h b/src/gos/gos_linux.h
index 39cfbc85..fe406cb6 100644
--- a/src/gos/gos_linux.h
+++ b/src/gos/gos_linux.h
@@ -37,6 +37,7 @@ typedef pthread_mutex_t		gfxMutex;
 
 #define DECLARE_THREAD_FUNCTION(fnName, param)	threadreturn_t fnName(void *param)
 #define DECLARE_THREAD_STACK(name, sz)			uint8_t name[0];
+#define THREAD_RETURN(retval)					return retval
 
 #define gfxExit()						exit(0)
 #define gfxAlloc(sz)					malloc(sz)
diff --git a/src/gos/gos_osx.h b/src/gos/gos_osx.h
index 635a8934..e5764b81 100644
--- a/src/gos/gos_osx.h
+++ b/src/gos/gos_osx.h
@@ -27,6 +27,7 @@ typedef pthread_mutex_t		gfxMutex;
 
 #define DECLARE_THREAD_FUNCTION(fnName, param)	threadreturn_t fnName(void *param)
 #define DECLARE_THREAD_STACK(name, sz)			uint8_t name[0];
+#define THREAD_RETURN(retval)					return reval
 
 #define gfxExit()						exit(0)
 #define gfxAlloc(sz)					malloc(sz)
diff --git a/src/gos/gos_rawrtos.h b/src/gos/gos_rawrtos.h
index eeb5119d..f352d681 100644
--- a/src/gos/gos_rawrtos.h
+++ b/src/gos/gos_rawrtos.h
@@ -27,6 +27,7 @@ typedef RAW_TASK_OBJ*		gfxThreadHandle;
 
 #define DECLARE_THREAD_FUNCTION(fnName, param)	threadreturn_t fnName(void *param)
 #define DECLARE_THREAD_STACK(name, sz)			PORT_STACK name[sz];
+#define THREAD_RETURN(retval)					return retval
 
 #define gfxHalt(msg)					for(;;)
 #define gfxExit()						for(;;)
diff --git a/src/gos/gos_win32.h b/src/gos/gos_win32.h
index 7e4f051b..bac74d46 100644
--- a/src/gos/gos_win32.h
+++ b/src/gos/gos_win32.h
@@ -48,6 +48,7 @@ typedef int					threadpriority_t;
 
 #define DECLARE_THREAD_FUNCTION(fnName, param)	threadreturn_t WINAPI fnName(void *param)
 #define DECLARE_THREAD_STACK(name, sz)			uint8_t name[0];
+#define THREAD_RETURN(retval)					return retval
 
 #define TIME_IMMEDIATE				0
 #define TIME_INFINITE				INFINITE
diff --git a/src/gos/gos_x_threads.h b/src/gos/gos_x_threads.h
index 78c30ac4..ee7a9cd0 100644
--- a/src/gos/gos_x_threads.h
+++ b/src/gos/gos_x_threads.h
@@ -32,6 +32,7 @@ typedef int				threadpriority_t;
 
 #define DECLARE_THREAD_FUNCTION(fnName, param)	threadreturn_t fnName(void *param)
 #define DECLARE_THREAD_STACK(name, sz)			uint8_t name[sz];
+#define THREAD_RETURN(retval)					return retval
 
 #define TIME_IMMEDIATE				0
 #define TIME_INFINITE				((delaytime_t)-1)