1/* 2 * Copyright (c) 1982, 1986, 1989, 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * All or some portions of this file are derived from material licensed 6 * to the University of California by American Telephone and Telegraph 7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 * the permission of UNIX System Laboratories, Inc. --- 22 unchanged lines hidden (view full) --- 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)kern_descrip.c 8.6 (Berkeley) 4/19/94 |
39 * $FreeBSD: head/sys/kern/kern_descrip.c 111815 2003-03-03 12:15:54Z phk $ |
40 */ 41 42#include "opt_compat.h" 43 44#include <sys/param.h> 45#include <sys/systm.h> 46#include <sys/syscallsubr.h> 47#include <sys/sysproto.h> --- 30 unchanged lines hidden (view full) --- 78 79uma_zone_t file_zone; 80 81static d_open_t fdopen; 82#define NUMFDESC 64 83 84#define CDEV_MAJOR 22 85static struct cdevsw fildesc_cdevsw = { |
86 .d_open = fdopen, 87 .d_name = "FD", 88 .d_maj = CDEV_MAJOR, |
89}; 90 91/* How to treat 'new' parameter when allocating a fd for do_dup(). */ 92enum dup_type { DUP_VARIABLE, DUP_FIXED }; 93 94static int do_dup(struct thread *td, enum dup_type type, int old, int new, 95 register_t *retval); 96 --- 2176 unchanged lines hidden --- |