LockFileEx 36 ompi/mca/io/romio321/romio/adio/common/lock.c ret_val = LockFileEx(fd, dwFlags, 0, LockFileEx 56 ompi/mca/io/romio321/romio/adio/common/lock.c ret_val = LockFileEx(fd, dwFlags, 0, len, 0, &Overlapped);