usr/src/lib/libbc/libc/sys/common/shutdown.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 1990 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #pragma ident   "%Z%%M% %I%     %E% SMI"
  28
  29 #include <sys/errno.h>
  30 #include <sys/types.h>
  31 #include <sys/socket.h>
  32
  33 extern int      errno;
  34 #define N_ENOTCONN 134
  35
  36 int
  37 shutdown(s, how)
  38 register int    s;
  39 int     how;
  40 {
  41         int     a;
  42         if ((a = _shutdown(s, how)) == -1) {
  43                 if (errno == N_ENOTCONN) {
  44                         errno = 0;
  45                         a = 0;
  46                 } else
  47                         maperror(errno);
  48         }
  49         return(a);
  50 }
  51
  52