test/exec/tasktest.c

   1 /*
   2     Copyright © 1995-2002, 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 int cnt;
  15 int sigbit1,sigbit2;
  16 struct Task *parent;
  17
  18 #define STACKSIZE 4096
  19
  20 static void entry(void)
  21 {
  22     int i=0;
  23
  24     sigbit2=AllocSignal(-1);
  25     Signal(parent,1<<sigbit1);
  26     if(sigbit2>=0)
  27     {
  28         for(i=0;i<9;i++)
  29         {
  30             Wait(1<<sigbit2);
  31             cnt++;
  32         }
  33         for(i=0;i<10000;i++)
  34             cnt++;
  35
  36         FreeSignal(sigbit2);
  37     }
  38     Wait(0);/* Let the parent remove me */
  39 }
  40
  41 int main(int argc, char* argv[])
  42 {
  43     struct Task *t;
  44
  45     parent=SysBase->ThisTask;
  46
  47     sigbit1=AllocSignal(-1);
  48     if(sigbit1>=0)
  49     {
  50         t=(struct Task *)AllocMem(sizeof(struct Task), MEMF_PUBLIC|MEMF_CLEAR);
  51         if(t!=NULL)
  52         {
  53             UBYTE *s;
  54             s=(UBYTE *)AllocMem(STACKSIZE, MEMF_PUBLIC|MEMF_CLEAR);
  55             if(s!=NULL)
  56             {
  57                 t->tc_Node.ln_Type=NT_TASK;
  58                 t->tc_Node.ln_Pri=1;
  59                 t->tc_Node.ln_Name="new task";
  60                 t->tc_SPLower=s;
  61                 t->tc_SPUpper=s+STACKSIZE;
  62 #if AROS_STACK_GROWS_DOWNWARDS
  63                 t->tc_SPReg=(UBYTE *)t->tc_SPUpper-SP_OFFSET;
  64 #else
  65                 t->tc_SPReg=(UBYTE *)t->tc_SPLower-SP_OFFSET;
  66 #endif
  67                 NEWLIST(&t->tc_MemEntry);
  68                 AddTask(t,&entry,NULL);
  69                 Wait(1<<sigbit1);
  70                 if(sigbit2>=0)
  71                 {
  72                     int i;
  73                     for(i=0;i<10;i++)
  74                     {
  75                         Signal(t,1<<sigbit2);
  76                         printf("%d\n",cnt);
  77                     }
  78                     RemTask(t);
  79                 }
  80                 FreeMem(s,STACKSIZE);
  81             }
  82             FreeMem(t,sizeof(struct Task));
  83         }
  84         FreeSignal(sigbit1);
  85     }
  86     return 0;
  87 }