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Program to do sum of numbers from 1 to 10, by dividing the job into two processes parent and one child Using Shared Memory

Posted By: Easy Tutor     Category: C Programming     Views: 2621

Sum of numbers from 1 to 10, by dividing the job into two processes(parent and one child) (Using Shared Memory)

Code for Program to do sum of numbers from 1 to 10, by dividing the job into two processes parent and one child Using Shared Memory in C Programming

# include <stdio.h>
# include </usr/include/sys/types.h>
# include </usr/include/sys/shm.h>
# include </usr/include/sys/ipc.h>

# include "forkjoin.h"int main()
{
  int a[10]={1,2,3,4,5,6,7,8,9,10};
  int sum1=0,sum=0;
  int *sum2;
  int shmid;
  shmid=shmget(IPC_PRIVATE,sizeof(int),IPC_CREAT | SHM_R | SHM_W);
  sum2= (int *) shmat(shmid,0,0);

  int id,i;
  id=process_fork(2);
  if(id==0) 
  {
    for(i=0;i<10;i=i+2)
        {
           sum1=sum1 + a[i];
        }
        printf("Parent Sum : %d\n",sum1);
  }
  else
  {
       for(i=1;i<10;i=i+2)
       {
           *sum2=*sum2 + a[i];   
      }
       printf("Child Sum : %d\n",*sum2);
  }
  
  process_join(2,id);       

  sum=sum1 + *sum2;
   
  printf("Final Sum is : %d\n", sum);
  return 0;    
}
  
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Easy Tutor
Easy Tutor author of Program to do sum of numbers from 1 to 10, by dividing the job into two processes parent and one child Using Shared Memory is from United States. Easy Tutor says

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