#include <stdio.h> 
#include <stdlib.h>
#include <time.h> 
#include <unistd.h>
#include <sys/ipc.h>
#include <sys/shm.h>
#define PROJECTID 0xFF
#define n 100

int main( void )
{
  key_t key;
  int id,size,flag;
  unsigned i;
  unsigned *array;
  printf( "GENERATOR [%u]\n",(unsigned)getpid() );
  key = ftok( "/tmp",PROJECTID );
  flag = IPC_CREAT | 0x1B6;
  size = n*sizeof( unsigned );
  id = shmget( key,size,flag );
  if( id>0 )
  {
    printf( "...utworzono segment wspólny [%u][0x%x]\n\t",id,key ); 
    array = (unsigned*)shmat( id,NULL,0 );
    for( i=0;i<n;i++ )
    {
      *(array+i)=(4*i+1);
      printf( "." ); fflush( stdout);
    }
    shmdt( (void*)array );
    printf( "\n...zakończono inicjację segmentu wspólnego\n" );
  }
  else { perror( "!.!.!..shmget()..." ); exit( 1 ); }
  return 0;
}


#include <stdio.h>
#include <stdlib.h>
#include <time.h> 
#include <unistd.h>
#include <sys/ipc.h>
#include <sys/shm.h>
#define PROJECTID 0xFF
#define n 100

int main( void )
{
  key_t key;
  int id,size,flag;
  struct shmid_ds buffer;
  unsigned i,*array;
  key = ftok( "/tmp",PROJECTID );
  flag = IPC_CREAT | 0x1B6;
  size = n*sizeof( unsigned );
  id = shmget( key,size,flag );
  if( id>0 )
    {
    array = (unsigned*)shmat( id,NULL,0 );
    printf( "100 liczb D.HILBERTa odczytanych z [%u][0x%x]\n",id,key );
    for( i=0;i<n;i++ )
    {
      printf( "%10u",*(array+i) );
      printf( "%c",!((i+1)%5)?('\n'):(' ') );
    }
    printf( "%c",'\n' );
    shmdt( (void*)array );
    (void)shmctl( id,IPC_RMID,&buffer );
  }
  else { 
    perror( "!.!.!..shmget()..." ); 
    exit( 1 );
  }
  return 0;
}