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

#define MEM_SIZE  (64*1024)   // 64k
#define MY_KEY    0xBAD02152  // Arbitrary key to "name" memory segment

int main(int args, char* argv) {
  
  int mem_handle;

  int err;

  // Lookup segment with specific key.  Size and flags are not used
  mem_handle = shmget(MY_KEY, 0, 0);

  if (mem_handle==-1) {
    fprintf(stderr,"Memory [key=%08X] could not be found: ", MY_KEY);
    perror(0);  // Print out specific error in errno
    exit(1);
  }

  // Delete the segment (awaits last attachment)
  err = shmctl(mem_handle,IPC_RMID,0);

  if (err==-1) {
    fprintf(stderr,"Could not delete segment: ");
    perror(0);  // Print out specific error in errno
    exit(1);
  }


  exit(0);
}