Annotation of sys/compat/svr4/svr4_filio.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: svr4_filio.c,v 1.5 2002/03/14 01:26:51 millert Exp $ */
2: /* $NetBSD: svr4_filio.c,v 1.5 1996/04/11 12:54:40 christos Exp $ */
3:
4: /*
5: * Copyright (c) 1994 Christos Zoulas
6: * All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. The name of the author may not be used to endorse or promote products
17: * derived from this software without specific prior written permission
18: *
19: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29: */
30:
31: #include <sys/param.h>
32: #include <sys/proc.h>
33: #include <sys/systm.h>
34: #include <sys/file.h>
35: #include <sys/filedesc.h>
36: #include <sys/ioctl.h>
37: #include <sys/termios.h>
38: #include <sys/tty.h>
39: #include <sys/socket.h>
40: #include <sys/mount.h>
41: #include <net/if.h>
42: #include <sys/malloc.h>
43:
44: #include <sys/syscallargs.h>
45:
46: #include <compat/svr4/svr4_types.h>
47: #include <compat/svr4/svr4_util.h>
48: #include <compat/svr4/svr4_signal.h>
49: #include <compat/svr4/svr4_syscallargs.h>
50: #include <compat/svr4/svr4_stropts.h>
51: #include <compat/svr4/svr4_ioctl.h>
52: #include <compat/svr4/svr4_filio.h>
53:
54:
55: int
56: svr4_fil_ioctl(fp, p, retval, fd, cmd, data)
57: struct file *fp;
58: struct proc *p;
59: register_t *retval;
60: int fd;
61: u_long cmd;
62: caddr_t data;
63: {
64: int error;
65: int num;
66: struct filedesc *fdp = p->p_fd;
67: int (*ctl)(struct file *, u_long, caddr_t, struct proc *) =
68: fp->f_ops->fo_ioctl;
69:
70: *retval = 0;
71:
72: switch (cmd) {
73: case SVR4_FIOCLEX:
74: fdp->fd_ofileflags[fd] |= UF_EXCLOSE;
75: return 0;
76:
77: case SVR4_FIONCLEX:
78: fdp->fd_ofileflags[fd] &= ~UF_EXCLOSE;
79: return 0;
80:
81: case SVR4_FIOGETOWN:
82: case SVR4_FIOSETOWN:
83: case SVR4_FIOASYNC:
84: case SVR4_FIONBIO:
85: case SVR4_FIONREAD:
86: if ((error = copyin(data, &num, sizeof(num))) != 0)
87: return error;
88:
89: switch (cmd) {
90: case SVR4_FIOGETOWN: cmd = FIOGETOWN; break;
91: case SVR4_FIOSETOWN: cmd = FIOSETOWN; break;
92: case SVR4_FIOASYNC: cmd = FIOASYNC; break;
93: case SVR4_FIONBIO: cmd = FIONBIO; break;
94: case SVR4_FIONREAD: cmd = FIONREAD; break;
95: }
96:
97: error = (*ctl)(fp, cmd, (caddr_t) &num, p);
98:
99: if (error)
100: return error;
101:
102: return copyout(&num, data, sizeof(num));
103:
104: default:
105: DPRINTF(("Unknown svr4 filio %lx\n", cmd));
106: return 0; /* ENOSYS really */
107: }
108: }
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