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author | rgrimes <rgrimes@FreeBSD.org> | 1994-05-24 10:09:53 +0000 |
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committer | rgrimes <rgrimes@FreeBSD.org> | 1994-05-24 10:09:53 +0000 |
commit | 8fb65ce818b3e3c6f165b583b910af24000768a5 (patch) | |
tree | ba751e4f2166aefec707c9d7401c7ff432506642 /sys/kern/subr_xxx.c | |
parent | a6ce65d368e623088a4c1a29865889f431b15420 (diff) | |
download | FreeBSD-src-8fb65ce818b3e3c6f165b583b910af24000768a5.zip FreeBSD-src-8fb65ce818b3e3c6f165b583b910af24000768a5.tar.gz |
BSD 4.4 Lite Kernel Sources
Diffstat (limited to 'sys/kern/subr_xxx.c')
-rw-r--r-- | sys/kern/subr_xxx.c | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/sys/kern/subr_xxx.c b/sys/kern/subr_xxx.c new file mode 100644 index 0000000..c692ec1 --- /dev/null +++ b/sys/kern/subr_xxx.c @@ -0,0 +1,100 @@ +/* + * Copyright (c) 1982, 1986, 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)subr_xxx.c 8.1 (Berkeley) 6/10/93 + */ + +/* + * Miscellaneous trivial functions, including many + * that are often inline-expanded or done in assembler. + */ +#include <sys/param.h> +#include <sys/systm.h> + +#include <machine/cpu.h> + +/* + * Unsupported device function (e.g. writing to read-only device). + */ +enodev() +{ + + return (ENODEV); +} + +/* + * Unconfigured device function; driver not configured. + */ +enxio() +{ + + return (ENXIO); +} + +/* + * Unsupported ioctl function. + */ +enoioctl() +{ + + return (ENOTTY); +} + +/* + * Unsupported system function. + * This is used for an otherwise-reasonable operation + * that is not supported by the current system binary. + */ +enosys() +{ + + return (ENOSYS); +} + +/* + * Return error for operation not supported + * on a specific object or file type. + */ +eopnotsupp() +{ + + return (EOPNOTSUPP); +} + +/* + * Generic null operation, always returns success. + */ +nullop() +{ + + return (0); +} |