1#include <sys/sem.h>
2#include <limits.h>
3#include <errno.h>
4#include "syscall.h"
5#include "ipc.h"
6
7int semget(key_t key, int n, int fl)
8{
9	/* The kernel uses the wrong type for the sem_nsems member
10	 * of struct semid_ds, and thus might not check that the
11	 * n fits in the correct (per POSIX) userspace type, so
12	 * we have to check here. */
13	if (n > USHRT_MAX) return __syscall_ret(-EINVAL);
14#ifdef SYS_semget
15	return syscall(SYS_semget, key, n, fl);
16#else
17	return syscall(SYS_ipc, IPCOP_semget, key, n, fl);
18#endif
19}
20