[Dbworld] SDM 2005: Call for Papers & Workshop/Tutorial Proposals

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

union semun {
  int val;
  struct semid_ds *buf;
  ushort *array;
};


main()
{
    int         semId;
    union semun semun;
    key_t       key = IPC_PRIVATE;

    semId = semget(key, 0, 0);

    if (semId < 0)
      {
        printf("Can't create a semaphore\n");
        perror("semget");
        exit(-1);
      }

    printf("sleeping...\n");

    sleep(10);

    printf("Remove semaphore id %d\n", semId);
    semctl(semId, 0, IPC_RMID, semun);
}
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