diff options
Diffstat (limited to 'sys/lkm/syscall/example/example_syscall.c')
| -rw-r--r-- | sys/lkm/syscall/example/example_syscall.c | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/sys/lkm/syscall/example/example_syscall.c b/sys/lkm/syscall/example/example_syscall.c deleted file mode 100644 index f20bd12e7e4..00000000000 --- a/sys/lkm/syscall/example/example_syscall.c +++ /dev/null @@ -1,77 +0,0 @@ -/* $NetBSD: example_syscall.c,v 1.6 2007/12/19 20:31:39 dsl Exp $ */ - -/* - * example_syscall.c - * - * 05 Jun 93 Terry Lambert Split out of newsyscall.c - * - * Copyright (c) 1993 Terrence R. Lambert. - * 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 Terrence R. Lambert. - * 4. The name Terrence R. Lambert may not be used to endorse or promote - * products derived from this software without specific prior written - * permission. - * - * THIS SOFTWARE IS PROVIDED BY TERRENCE R. LAMBERT ``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 TERRENCE R. LAMBERT 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. - */ - -#include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: example_syscall.c,v 1.6 2007/12/19 20:31:39 dsl Exp $"); - -#include <sys/param.h> -#include <sys/ioctl.h> -#include <sys/systm.h> - -int example_syscall(struct lwp *, void *, register_t *); - -/* - * This is the actual code for system call... it can be static because - * we've externed it up above... the only plae it needs to be referenced - * is the sysent we are interested in. - * - * To write your own system call using this as a template, you could strip - * out this code and use the rest as a prototype module, changing only the - * function names and the number of arguments to the call in the module - * specific "sysent". - * - * You would have to use the "-R" option of "ld" to ensure a linkable file - * if you were to do this, since you would need to combine multiple ".o" - * files into a single ".o" file for use by "modload". - */ -int -example_syscall(l, uap, retval) - struct lwp *l; - void *uap; - register_t retval[]; -{ - /* - * Our new system call simply prints a message; it takes no - * arguments. - */ - - printf( "I am a loaded system call using the kernel printf!\n"); - printf( "I will print this message each time I am called!\n"); - - return (0); /* success (or error code from errno.h)*/ -} |
