ipckill.c

#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/sem.h>

int main(int argc, char* argv[])
{
    key_t key;
    int semid;
    /*  union semun arg;*/

    /*  if ((key = ftok("semdemo.c", 'J')) == -1) {
        perror("ftok");
        exit(1);
        }*/

    /* grab the semaphore set created by seminit.c: */
    /*if ((semid = semget(key, 1, 0)) == -1) {
      perror("semget");
      exit(1);
      }*/

    /* remove it: */
    /*  if (semctl(6160511, 0, IPC_RMID,arg) == -1) {*/

    /*  printf("argument is %s", argv[1]);*/

    int id;
    int tt;

    sscanf(argv[1], "%d", &tt);
    sscanf(argv[2], "%d", &id);

    if (tt == 0) {
        /* remove semaphore */
        if (semctl(id, 0, IPC_RMID) == -1) {
            perror("semctl");
            exit(1);
        }
    } else {
        /* remove shmem */
        if (shmctl(id, 0, IPC_RMID) == -1) {
            /*  if (semctl(id, 0, IPC_RMID) == -1) {*/
            perror("semctl");
            exit(1);
        }
        }
        return 0;
    }