fcntl.c revision 8fd04b8338ed5093ec2d1e668fa620b7de44c177
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2010 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#include "lint.h"
#include <sys/param.h>
#include <sys/sockio.h>
#include <sys/filio.h>
#include <sys/file.h>
#include <sys/types.h>
#include <fcntl.h>
#include <signal.h>
#include <sys/stat.h>
#include <sys/stropts.h>
#include <sys/socket.h>
#include <sys/stropts.h>
#include <sys/stream.h>
#include <sys/socketvar.h>
#include <sys/syscall.h>
#include <errno.h>
#include <stdio.h>
#include <stdarg.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include "libc.h"
#if !defined(_LP64)
/*
* XXX these hacks are needed for X.25 which assumes that s_fcntl and
* s_ioctl exist in the socket library.
* There is no need for s_ioctl for other purposes.
*/
#pragma weak s_fcntl = __fcntl
#pragma weak _s_fcntl = __fcntl
int
s_ioctl(int fd, int cmd, intptr_t arg)
{
return (ioctl(fd, cmd, arg));
}
#endif /* _LP64 */
int
__fcntl(int fd, int cmd, ...)
{
int res;
int pid;
intptr_t arg;
va_list ap;
va_start(ap, cmd);
arg = va_arg(ap, intptr_t);
va_end(ap);
switch (cmd) {
case F_SETOWN:
pid = (int)arg;
return (ioctl(fd, FIOSETOWN, &pid));
case F_GETOWN:
if (ioctl(fd, FIOGETOWN, &res) < 0)
return (-1);
return (res);
default:
return (syscall(SYS_fcntl, fd, cmd, arg));
}
}