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