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 (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright 2010 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
28 /* All Rights Reserved */
29
30 #include "lint.h"
31 #include <sys/param.h>
32 #include <sys/sockio.h>
33 #include <sys/filio.h>
34 #include <sys/file.h>
35 #include <sys/types.h>
36 #include <fcntl.h>
37 #include <signal.h>
38 #include <sys/stat.h>
39 #include <sys/stropts.h>
40 #include <sys/socket.h>
41 #include <sys/stropts.h>
42 #include <sys/stream.h>
43 #include <sys/socketvar.h>
44 #include <sys/syscall.h>
45 #include <errno.h>
46 #include <stdio.h>
47 #include <stdarg.h>
48 #include <unistd.h>
49 #include <string.h>
50 #include <stdlib.h>
51 #include "libc.h"
52
53 #if !defined(_LP64)
54 /*
55 * XXX these hacks are needed for X.25 which assumes that s_fcntl and
56 * s_ioctl exist in the socket library.
57 * There is no need for s_ioctl for other purposes.
58 */
59 #pragma weak s_fcntl = __fcntl
60 #pragma weak _s_fcntl = __fcntl
61 int
s_ioctl(int fd,int cmd,intptr_t arg)62 s_ioctl(int fd, int cmd, intptr_t arg)
63 {
64 return (ioctl(fd, cmd, arg));
65 }
66 #endif /* _LP64 */
67
68 int
__fcntl(int fd,int cmd,...)69 __fcntl(int fd, int cmd, ...)
70 {
71 int res;
72 int pid;
73 intptr_t arg;
74 va_list ap;
75
76 va_start(ap, cmd);
77 arg = va_arg(ap, intptr_t);
78 va_end(ap);
79
80 switch (cmd) {
81 case F_SETOWN:
82 pid = (int)arg;
83 return (ioctl(fd, FIOSETOWN, &pid));
84
85 case F_GETOWN:
86 if (ioctl(fd, FIOGETOWN, &res) < 0)
87 return (-1);
88 return (res);
89
90 default:
91 return (syscall(SYS_fcntl, fd, cmd, arg));
92 }
93 }
94