4.104.114.84.95
Last change
on this file since 476b632 was
dd19c0b,
checked in by Joel Sherrill <joel.sherrill@…>, on 08/11/00 at 20:04:27
|
2000-08-11 Chris Johns <ccj@…>
- libc/chmod.c: Return ENOTSUP if filesystem does not have handler.
- libc/eval.c: Ditto.
- libc/fcntl.c: Ditto.
- libc/fsync.c: Ditto.
- libc/ioctl.c: Ditto.
- libc/ioman.c: Ditto.
- libc/link.c: Ditto.
- libc/memfile.c: Ditto.
- libc/mknod.c: Ditto.
- libc/symlink.c: Ditto.
- libc/libio.h(rtems_filesystem_dev_major_t): New macro.
- libc/libio.h(rtems_filesystem_dev_minor_t): New macro.
|
-
Property mode set to
100644
|
File size:
1.0 KB
|
Line | |
---|
1 | /* |
---|
2 | * ioctl() system call |
---|
3 | * |
---|
4 | * This routine is not defined in the POSIX 1003.1b standard but is |
---|
5 | * commonly supported on most UNIX and POSIX systems. |
---|
6 | * |
---|
7 | * COPYRIGHT (c) 1989-1999. |
---|
8 | * On-Line Applications Research Corporation (OAR). |
---|
9 | * |
---|
10 | * The license and distribution terms for this file may be |
---|
11 | * found in the file LICENSE in this distribution or at |
---|
12 | * http://www.OARcorp.com/rtems/license.html. |
---|
13 | * |
---|
14 | * $Id$ |
---|
15 | */ |
---|
16 | |
---|
17 | #include "libio_.h" |
---|
18 | |
---|
19 | #include <unistd.h> |
---|
20 | |
---|
21 | int ioctl( |
---|
22 | int fd, |
---|
23 | int command, |
---|
24 | ... |
---|
25 | ) |
---|
26 | { |
---|
27 | va_list ap; |
---|
28 | rtems_status_code rc; |
---|
29 | rtems_libio_t *iop; |
---|
30 | void *buffer; |
---|
31 | |
---|
32 | rtems_libio_check_fd( fd ); |
---|
33 | iop = rtems_libio_iop( fd ); |
---|
34 | rtems_libio_check_is_open(iop); |
---|
35 | |
---|
36 | va_start(ap, command); |
---|
37 | |
---|
38 | buffer = va_arg(ap, void *); |
---|
39 | |
---|
40 | /* |
---|
41 | * Now process the ioctl(). |
---|
42 | */ |
---|
43 | |
---|
44 | if ( !iop->handlers ) |
---|
45 | set_errno_and_return_minus_one( EBADF ); |
---|
46 | |
---|
47 | if ( !iop->handlers->ioctl ) |
---|
48 | set_errno_and_return_minus_one( ENOTSUP ); |
---|
49 | |
---|
50 | rc = (*iop->handlers->ioctl)( iop, command, buffer ); |
---|
51 | |
---|
52 | return rc; |
---|
53 | } |
---|
Note: See
TracBrowser
for help on using the repository browser.