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A new distributed program graphical design environment is described in the paper. It is oriented towards designing program execution control based on a built-in system infrastructure which enables easy global application states monitoring in systems based on multicore processors. Two aspects of global application control design are covered. First is the global control flow in programs at the level of processes and threads. The second is the asynchronous control of internal process and thread behavior. The proposed control infrastructure is based on structural program elements called synchronizers organized at the process and thread levels to collect state information, evaluate control predicates on global states and send signals to application program threads and processes to stimulate global control actions. The paper presents principles of the application program graphical design and programming methods to implement global control at the level of threads.