#define portQUEUE_OVERHEAD_BYTES 0
/* 1 - semaphore/mutex is used to protect critical sections; 0 - interrupt disable is used to protect critical sections */
-#define SYS_ARCH_SEMPHR_PROTECT 1 & !NO_SYS
+#define SYS_ARCH_SEMPHR_PROTECT 0
typedef u8_t sys_prot_t;