test/exec/tasktest2.c

   1 /*
   2     Copyright © 1995-2017, The AROS Development Team.
   3     $Id$
   4 */
   5
   6 #include <proto/exec.h>
   7 #include <exec/execbase.h>
   8 #include <exec/memory.h>
   9 #include <exec/tasks.h>
  10 #include <clib/exec_protos.h>
  11 #include "memory.h"
  12 #include <stdio.h>
  13
  14 #include "exec_platform.h"
  15
  16 int cnt;
  17 int sigbit1,sigbit2;
  18 struct Task *parent;
  19
  20 #define STACKSIZE 4096
  21
  22 static void entry(void)
  23 {
  24     int i=0;
  25
  26     sigbit2=AllocSignal(-1);
  27     Signal(parent,1<<sigbit1);
  28     if(sigbit2>=0)
  29     {
  30         for(i=0;i<9;i++)
  31         {
  32             Wait(1<<sigbit2);
  33             cnt++;
  34         }
  35         for(i=0;i<10000;i++)
  36             cnt++;
  37
  38         FreeSignal(sigbit2);
  39     }
  40     Wait(0);/* Let the parent remove me */
  41 }
  42
  43 int main(int argc, char* argv[])
  44 {
  45     struct Task *t;
  46
  47     parent=FindTask(NULL);
  48
  49     sigbit1=AllocSignal(-1);
  50     if(sigbit1>=0)
  51     {
  52         t=(struct Task *)AllocMem(sizeof(struct Task), MEMF_PUBLIC|MEMF_CLEAR);
  53         if(t!=NULL)
  54         {
  55             UBYTE *s;
  56             s=(UBYTE *)AllocMem(STACKSIZE, MEMF_PUBLIC|MEMF_CLEAR);
  57             if(s!=NULL)
  58             {
  59                 t->tc_Node.ln_Type=NT_TASK;
  60                 t->tc_Node.ln_Pri=0;
  61                 t->tc_Node.ln_Name="new task";
  62                 t->tc_SPLower=s;
  63                 t->tc_SPUpper=s+STACKSIZE;
  64 #if AROS_STACK_GROWS_DOWNWARDS
  65                 t->tc_SPReg=(UBYTE *)t->tc_SPUpper-SP_OFFSET;
  66 #else
  67                 t->tc_SPReg=(UBYTE *)t->tc_SPLower-SP_OFFSET;
  68 #endif
  69                 NEWLIST(&t->tc_MemEntry);
  70                 AddTask(t,&entry,NULL);
  71                 SetTaskPri(t,1);
  72
  73                 printf("%p %p %p %p\n",
  74                         t, GET_THIS_TASK,
  75                         FindTask("new task"), FindTask(NULL));
  76
  77                 Wait(1<<sigbit1);
  78                 if(sigbit2>=0)
  79                 {
  80                     int i;
  81                     for(i=0;i<10;i++)
  82                     {
  83                         Signal(t,1<<sigbit2);
  84                         printf("%d\n",cnt);
  85                     }
  86                     RemTask(t);
  87                 }
  88                 FreeMem(s,STACKSIZE);
  89             }
  90             FreeMem(t,sizeof(struct Task));
  91         }
  92         FreeSignal(sigbit1);
  93     }
  94     return 0;
  95 }