#include <sys/sem.h>
#include <limits.h>
#include <errno.h>
#include "syscall.h"
#include "ipc.h"

int semget(key_t key, int n, int fl) {
  /* The kernel uses the wrong type for the sem_nsems member
   * of struct semid_ds, and thus might not check that the
   * n fits in the correct (per POSIX) userspace type, so
   * we have to check here. */
  if (n > USHRT_MAX)
    return __syscall_ret(-EINVAL);
#ifdef SYS_semget
  return syscall(SYS_semget, key, n, fl);
#else
  return syscall(SYS_ipc, IPCOP_semget, key, n, fl);
#endif
}