FS-10167 track joins and only do them once

libs/libks/src/include/ks_threadmutex.h

@@ -78,6 +78,7 @@ struct ks_thread {
 	    ks_thread_state_t state;
 		uint8_t priority;
 		void *return_data;
+    	uint8_t joined;
 	};
 
 	typedef enum {

libs/libks/src/include/ks_types.h

@@ -89,6 +89,7 @@ KS_BEGIN_EXTERN_C
 		KS_STATUS_GENERR,
 		KS_STATUS_INACTIVE,
 		KS_STATUS_TIMEOUT,
+		KS_STATUS_DUPLICATE_OPERATION,
 		/* Memory pool errors */
 		KS_STATUS_REFS_EXIST,      /* references exist */
 		KS_STATUS_ARG_NULL,        /* function argument is null */