作为一个简单的可剥夺,实时操作系统, REX仅有24个API, 真是精练:
rex_init( )
rex_def_task( )
rex_set_sigs( )
rex_clr_sigs( )
rex_get_sigs( )
rex_wait( )
rex_def_timer( )
rex_set_timer( )
rex_get_timer( )
rex_clr_timer( )
rex_pause_timer( )
rex_resume_timer( )
rex_tick( )
rex_timed_wait( )
rex_self( )
rex_get_pri( )
rex_set_pri( )
rex_task_pri( )
rex_set_interrupt_vector( )
rex_enable_interrupt( )
rex_disable_interrupt( )
rex_init_crit_sect( ) (not available with older versions)
rex_enter_crit_sect( ) (not available with older versions)
rex_leave_crit_sect( ) (not available with older versions)