CPAL Playground

/* Copyright (C) 2015, RealTime-at-Work, All Rights Reserved
 *
 * You may use, copy, reproduce, and distribute this sample cource code for any non-commercial purpose.
 * Some purposes which can be non-commercial are teaching, academic research,
 * public demonstrations and personal experimentation. You may also distribute this Software
 * with books or other teaching materials, or publish the Software on websites,
 * that are intended to teaching for academic or other non-commercial purposes.
 *
 * In return, we simply require that you agree: 
 * 1. That you will not remove any copyright or other notices from the Software.
 * 2. THAT THE SOFTWARE COMES "AS IS", WITH NO WARRANTIES. THIS MEANS NO EXPRESS, 
 *    IMPLIED OR STATUTORY WARRANTY.
 */

/**
 * Simple example showing the interpretation order.
 * @keywords execution order; order; block, common; block, named
 */
processdef A_Process_Def()
{
  static var uint64: cnter = 0;
  common {
    IO.println("in common %u\n", cnter);
  }
  state Init {
    IO.println("in state %u\n", cnter);
    aNamedBlock: {
      @cpal:time {
        aNamedBlock.execution_time = cnter * 5ms;
      }
    }
    cnter = cnter + 1;
  }
  on (true) {
    IO.println("in transition %u\n", cnter);
  } to Init;
}

process A_Process_Def: a_proc_inst[100ms]();

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Simulation
Tasks diagram


Quiet mode disabled
[0.000000000000:ASSIGN] Assign cpal_system new value: Scheduling_Policy.FIFO
[0.000000000000:execution-order:STARTING_TASK] 'a_proc_inst'
[0.000000000000:STATE] process "A_Process_Def", instance "a_proc_inst", state "Init"
[0.000000000000:PRINTLN] in common 0
[0.000000000000:PRINTLN] 
[0.000000000000:PRINTLN] in state 0
[0.000000000000:PRINTLN] 
[0.000000000000:execution-order:TASK_FINISHED] 'a_proc_inst'
[0.100000000000:execution-order:STARTING_TASK] 'a_proc_inst'
[0.100000000000:PRINTLN] in transition 1
[0.100000000000:PRINTLN] 
[0.100000000000:STATE] process "A_Process_Def", instance "a_proc_inst", state "Init"
[0.100000000000:PRINTLN] in common 1
[0.100000000000:PRINTLN] 
[0.100000000000:PRINTLN] in state 1
[0.100000000000:PRINTLN] 
[0.105000000000:execution-order:TASK_FINISHED] 'a_proc_inst'
[0.200000000000:execution-order:STARTING_TASK] 'a_proc_inst'
[0.200000000000:PRINTLN] in transition 2
[0.200000000000:PRINTLN] 
[0.200000000000:STATE] process "A_Process_Def", instance "a_proc_inst", state "Init"
[0.200000000000:PRINTLN] in common 2
[0.200000000000:PRINTLN] 
[0.200000000000:PRINTLN] in state 2
[0.200000000000:PRINTLN] 
[0.210000000000:execution-order:TASK_FINISHED] 'a_proc_inst'
[0.300000000000:execution-order:STARTING_TASK] 'a_proc_inst'
[0.300000000000:PRINTLN] in transition 3
[0.300000000000:PRINTLN] 
[0.300000000000:STATE] process "A_Process_Def", instance "a_proc_inst", state "Init"
[0.300000000000:PRINTLN] in common 3
[0.300000000000:PRINTLN] 
[0.300000000000:PRINTLN] in state 3
[0.300000000000:PRINTLN] 
[0.315000000000:execution-order:TASK_FINISHED] 'a_proc_inst'
[0.400000000000:execution-order:STARTING_TASK] 'a_proc_inst'
[0.400000000000:PRINTLN] in transition 4
[0.400000000000:PRINTLN] 
[0.400000000000:STATE] process "A_Process_Def", instance "a_proc_inst", state "Init"
[0.400000000000:PRINTLN] in common 4
[0.400000000000:PRINTLN] 
[0.400000000000:PRINTLN] in state 4
[0.400000000000:PRINTLN] 
[0.420000000000:execution-order:TASK_FINISHED] 'a_proc_inst'
[0.500000000000:execution-order:STARTING_TASK] 'a_proc_inst'
[0.500000000000:PRINTLN] in transition 5
[0.500000000000:PRINTLN] 
[0.500000000000:STATE] process "A_Process_Def", instance "a_proc_inst", state "Init"
[0.500000000000:PRINTLN] in common 5
[0.500000000000:PRINTLN] 
[0.500000000000:PRINTLN] in state 5
[0.500000000000:PRINTLN] 
[0.525000000000:execution-order:TASK_FINISHED] 'a_proc_inst'
[0.600000000000:execution-order:STARTING_TASK] 'a_proc_inst'
[0.600000000000:PRINTLN] in transition 6
[0.600000000000:PRINTLN] 
[0.600000000000:STATE] process "A_Process_Def", instance "a_proc_inst", state "Init"
[0.600000000000:PRINTLN] in common 6
[0.600000000000:PRINTLN] 
[0.600000000000:PRINTLN] in state 6
[0.600000000000:PRINTLN] 
[0.630000000000:execution-order:TASK_FINISHED] 'a_proc_inst'
[0.700000000000:execution-order:STARTING_TASK] 'a_proc_inst'
[0.700000000000:PRINTLN] in transition 7
[0.700000000000:PRINTLN] 
[0.700000000000:STATE] process "A_Process_Def", instance "a_proc_inst", state "Init"
[0.700000000000:PRINTLN] in common 7
[0.700000000000:PRINTLN] 
[0.700000000000:PRINTLN] in state 7
[0.700000000000:PRINTLN] 
[0.735000000000:execution-order:TASK_FINISHED] 'a_proc_inst'
[0.800000000000:execution-order:STARTING_TASK] 'a_proc_inst'
[0.800000000000:PRINTLN] in transition 8
[0.800000000000:PRINTLN] 
[0.800000000000:STATE] process "A_Process_Def", instance "a_proc_inst", state "Init"
[0.800000000000:PRINTLN] in common 8
[0.800000000000:PRINTLN] 
[0.800000000000:PRINTLN] in state 8
[0.800000000000:PRINTLN] 
[0.840000000000:execution-order:TASK_FINISHED] 'a_proc_inst'
[0.900000000000:execution-order:STARTING_TASK] 'a_proc_inst'
[0.900000000000:PRINTLN] in transition 9
[0.900000000000:PRINTLN] 
[0.900000000000:STATE] process "A_Process_Def", instance "a_proc_inst", state "Init"
[0.900000000000:PRINTLN] in common 9
[0.900000000000:PRINTLN] 
[0.900000000000:PRINTLN] in state 9
[0.900000000000:PRINTLN] 
[0.945000000000:execution-order:TASK_FINISHED] 'a_proc_inst'
[1.000000000000:execution-order:STARTING_TASK] 'a_proc_inst'
[1.000000000000:PRINTLN] in transition 10
[1.000000000000:PRINTLN] 
[1.000000000000:STATE] process "A_Process_Def", instance "a_proc_inst", state "Init"
[1.000000000000:PRINTLN] in common 10
[1.000000000000:PRINTLN] 
[1.000000000000:PRINTLN] in state 10
[1.000000000000:PRINTLN] 
[1.050000000000:execution-order:TASK_FINISHED] 'a_proc_inst'
[1.100000000000:execution-order:STARTING_TASK] 'a_proc_inst'
[1.100000000000:PRINTLN] in transition 11
[1.100000000000:PRINTLN] 
[1.100000000000:STATE] process "A_Process_Def", instance "a_proc_inst", state "Init"
[1.100000000000:PRINTLN] in common 11
[1.100000000000:PRINTLN] 
[1.100000000000:PRINTLN] in state 11
[1.100000000000:PRINTLN] 
[1.155000000000:execution-order:TASK_FINISHED] 'a_proc_inst'
[1.200000000000:execution-order:STARTING_TASK] 'a_proc_inst'
[1.200000000000:PRINTLN] in transition 12
[1.200000000000:PRINTLN] 
[1.200000000000:STATE] process "A_Process_Def", instance "a_proc_inst", state "Init"
[1.200000000000:PRINTLN] in common 12
[1.200000000000:PRINTLN] 
[1.200000000000:PRINTLN] in state 12
[1.200000000000:PRINTLN] 
[1.260000000000:execution-order:TASK_FINISHED] 'a_proc_inst'
[1.300000000000:execution-order:STARTING_TASK] 'a_proc_inst'
[1.300000000000:PRINTLN] in transition 13
[1.300000000000:PRINTLN] 
[1.300000000000:STATE] process "A_Process_Def", instance "a_proc_inst", state "Init"
[1.300000000000:PRINTLN] in common 13
[1.300000000000:PRINTLN] 
[1.300000000000:PRINTLN] in state 13
[1.300000000000:PRINTLN] 
[1.365000000000:execution-order:TASK_FINISHED] 'a_proc_inst'
[1.400000000000:execution-order:STARTING_TASK] 'a_proc_inst'
[1.400000000000:PRINTLN] in transition 14
[1.400000000000:PRINTLN] 
[1.400000000000:STATE] process "A_Process_Def", instance "a_proc_inst", state "Init"
[1.400000000000:PRINTLN] in common 14
[1.400000000000:PRINTLN] 
[1.400000000000:PRINTLN] in state 14
[1.400000000000:PRINTLN] 
[1.470000000000:execution-order:TASK_FINISHED] 'a_proc_inst'
[1.500000000000:execution-order:STARTING_TASK] 'a_proc_inst'
[1.500000000000:PRINTLN] in transition 15
[1.500000000000:PRINTLN] 
[1.500000000000:STATE] process "A_Process_Def", instance "a_proc_inst", state "Init"
[1.500000000000:PRINTLN] in common 15
[1.500000000000:PRINTLN] 
[1.500000000000:PRINTLN] in state 15
[1.500000000000:PRINTLN] 
[1.575000000000:execution-order:TASK_FINISHED] 'a_proc_inst'
[1.600000000000:execution-order:STARTING_TASK] 'a_proc_inst'
[1.600000000000:PRINTLN] in transition 16
[1.600000000000:PRINTLN] 
[1.600000000000:STATE] process "A_Process_Def", instance "a_proc_inst", state "Init"
[1.600000000000:PRINTLN] in common 16
[1.600000000000:PRINTLN] 
[1.600000000000:PRINTLN] in state 16
[1.600000000000:PRINTLN] 
[1.680000000000:execution-order:TASK_FINISHED] 'a_proc_inst'
[1.700000000000:execution-order:STARTING_TASK] 'a_proc_inst'
[1.700000000000:PRINTLN] in transition 17
[1.700000000000:PRINTLN] 
[1.700000000000:STATE] process "A_Process_Def", instance "a_proc_inst", state "Init"
[1.700000000000:PRINTLN] in common 17
[1.700000000000:PRINTLN] 
[1.700000000000:PRINTLN] in state 17
[1.700000000000:PRINTLN] 
[1.785000000000:execution-order:TASK_FINISHED] 'a_proc_inst'
[1.800000000000:execution-order:STARTING_TASK] 'a_proc_inst'
[1.800000000000:PRINTLN] in transition 18
[1.800000000000:PRINTLN] 
[1.800000000000:STATE] process "A_Process_Def", instance "a_proc_inst", state "Init"
[1.800000000000:PRINTLN] in common 18
[1.800000000000:PRINTLN] 
[1.800000000000:PRINTLN] in state 18
[1.800000000000:PRINTLN] 
[1.890000000000:execution-order:TASK_FINISHED] 'a_proc_inst'
[1.900000000000:execution-order:STARTING_TASK] 'a_proc_inst'
[1.900000000000:PRINTLN] in transition 19
[1.900000000000:PRINTLN] 
[1.900000000000:STATE] process "A_Process_Def", instance "a_proc_inst", state "Init"
[1.900000000000:PRINTLN] in common 19
[1.900000000000:PRINTLN] 
[1.900000000000:PRINTLN] in state 19
[1.900000000000:PRINTLN] 
[1.995000000000:execution-order:TASK_FINISHED] 'a_proc_inst'
[2.000000000000:execution-order:STARTING_TASK] 'a_proc_inst'
[2.000000000000:PRINTLN] in transition 20
[2.000000000000:PRINTLN] 
[2.000000000000:STATE] process "A_Process_Def", instance "a_proc_inst", state "Init"
[2.000000000000:PRINTLN] in common 20
[2.000000000000:PRINTLN] 
[2.000000000000:PRINTLN] in state 20
[2.000000000000:PRINTLN] 
[2.100000000000:execution-order:TASK_FINISHED] 'a_proc_inst'
[2.100000000000:execution-order:STARTING_TASK] 'a_proc_inst'
[2.100000000000:PRINTLN] in transition 21
[2.100000000000:PRINTLN] 
[2.100000000000:STATE] process "A_Process_Def", instance "a_proc_inst", state "Init"
[2.100000000000:PRINTLN] in common 21
[2.100000000000:PRINTLN] 
[2.100000000000:PRINTLN] in state 21
[2.100000000000:PRINTLN] 
[2.205000000000:execution-order:TASK_FINISHED] 'a_proc_inst'
[2.205000000000:execution-order:STARTING_TASK] 'a_proc_inst'
[2.205000000000:PRINTLN] in transition 22
[2.205000000000:PRINTLN] 
[2.205000000000:STATE] process "A_Process_Def", instance "a_proc_inst", state "Init"
[2.205000000000:PRINTLN] in common 22
[2.205000000000:PRINTLN] 
[2.205000000000:PRINTLN] in state 22
[2.205000000000:PRINTLN] 
[2.315000000000:execution-order:TASK_FINISHED] 'a_proc_inst'
[2.315000000000:execution-order:STARTING_TASK] 'a_proc_inst'
[2.315000000000:PRINTLN] in transition 23
[2.315000000000:PRINTLN] 
[2.315000000000:STATE] process "A_Process_Def", instance "a_proc_inst", state "Init"
[2.315000000000:PRINTLN] in common 23
[2.315000000000:PRINTLN] 
[2.315000000000:PRINTLN] in state 23
[2.315000000000:PRINTLN] 
[2.430000000000:execution-order:TASK_FINISHED] 'a_proc_inst'
[2.430000000000:execution-order:STARTING_TASK] 'a_proc_inst'
[2.430000000000:PRINTLN] in transition 24
[2.430000000000:PRINTLN] 
[2.430000000000:STATE] process "A_Process_Def", instance "a_proc_inst", state "Init"
[2.430000000000:PRINTLN] in common 24
[2.430000000000:PRINTLN] 
[2.430000000000:PRINTLN] in state 24
[2.430000000000:PRINTLN] 
[2.550000000000:execution-order:TASK_FINISHED] 'a_proc_inst'
[2.550000000000:execution-order:STARTING_TASK] 'a_proc_inst'
[2.550000000000:PRINTLN] in transition 25
[2.550000000000:PRINTLN] 
[2.550000000000:STATE] process "A_Process_Def", instance "a_proc_inst", state "Init"
[2.550000000000:PRINTLN] in common 25
[2.550000000000:PRINTLN] 
[2.550000000000:PRINTLN] in state 25
[2.550000000000:PRINTLN] 
[2.675000000000:execution-order:TASK_FINISHED] 'a_proc_inst'
[2.675000000000:execution-order:STARTING_TASK] 'a_proc_inst'
[2.675000000000:PRINTLN] in transition 26
[2.675000000000:PRINTLN] 
[2.675000000000:STATE] process "A_Process_Def", instance "a_proc_inst", state "Init"
[2.675000000000:PRINTLN] in common 26
[2.675000000000:PRINTLN] 
[2.675000000000:PRINTLN] in state 26
[2.675000000000:PRINTLN] 
[2.805000000000:execution-order:TASK_FINISHED] 'a_proc_inst'
[2.805000000000:execution-order:STARTING_TASK] 'a_proc_inst'
[2.805000000000:PRINTLN] in transition 27
[2.805000000000:PRINTLN] 
[2.805000000000:STATE] process "A_Process_Def", instance "a_proc_inst", state "Init"
[2.805000000000:PRINTLN] in common 27
[2.805000000000:PRINTLN] 
[2.805000000000:PRINTLN] in state 27
[2.805000000000:PRINTLN] 
[2.940000000000:execution-order:TASK_FINISHED] 'a_proc_inst'
[2.940000000000:execution-order:STARTING_TASK] 'a_proc_inst'
[2.940000000000:PRINTLN] in transition 28
[2.940000000000:PRINTLN] 
[2.940000000000:STATE] process "A_Process_Def", instance "a_proc_inst", state "Init"
[2.940000000000:PRINTLN] in common 28
[2.940000000000:PRINTLN] 
[2.940000000000:PRINTLN] in state 28
[2.940000000000:PRINTLN] 
[3.080000000000:execution-order:TASK_FINISHED] 'a_proc_inst'
EXIT (SUCCESS) AT 3s80ms (3080000000000)

PID	start	end	name	state
0	0	0	a_proc_inst	Init
0	100000000000	105000000000	a_proc_inst	Init
0	200000000000	210000000000	a_proc_inst	Init
0	300000000000	315000000000	a_proc_inst	Init
0	400000000000	420000000000	a_proc_inst	Init
0	500000000000	525000000000	a_proc_inst	Init
0	600000000000	630000000000	a_proc_inst	Init
0	700000000000	735000000000	a_proc_inst	Init
0	800000000000	840000000000	a_proc_inst	Init
0	900000000000	945000000000	a_proc_inst	Init
0	1000000000000	1050000000000	a_proc_inst	Init
0	1100000000000	1155000000000	a_proc_inst	Init
0	1200000000000	1260000000000	a_proc_inst	Init
0	1300000000000	1365000000000	a_proc_inst	Init
0	1400000000000	1470000000000	a_proc_inst	Init
0	1500000000000	1575000000000	a_proc_inst	Init
0	1600000000000	1680000000000	a_proc_inst	Init
0	1700000000000	1785000000000	a_proc_inst	Init
0	1800000000000	1890000000000	a_proc_inst	Init
0	1900000000000	1995000000000	a_proc_inst	Init
0	2000000000000	2100000000000	a_proc_inst	Init
0	2100000000000	2205000000000	a_proc_inst	Init
0	2205000000000	2315000000000	a_proc_inst	Init
0	2315000000000	2430000000000	a_proc_inst	Init
0	2430000000000	2550000000000	a_proc_inst	Init
0	2550000000000	2675000000000	a_proc_inst	Init
0	2675000000000	2805000000000	a_proc_inst	Init
0	2805000000000	2940000000000	a_proc_inst	Init
0	2940000000000	3080000000000	a_proc_inst	Init