diff options
Diffstat (limited to 'share/examples/kld/syscall/test')
-rw-r--r-- | share/examples/kld/syscall/test/Makefile | 8 | ||||
-rw-r--r-- | share/examples/kld/syscall/test/call.c | 47 |
2 files changed, 55 insertions, 0 deletions
diff --git a/share/examples/kld/syscall/test/Makefile b/share/examples/kld/syscall/test/Makefile new file mode 100644 index 0000000..09d535b --- /dev/null +++ b/share/examples/kld/syscall/test/Makefile @@ -0,0 +1,8 @@ +# Makefile for simple caller of syscall +# $FreeBSD$ + +PROG= call +NO_MAN= +WARNS?= 5 + +.include <bsd.prog.mk> diff --git a/share/examples/kld/syscall/test/call.c b/share/examples/kld/syscall/test/call.c new file mode 100644 index 0000000..0051df5 --- /dev/null +++ b/share/examples/kld/syscall/test/call.c @@ -0,0 +1,47 @@ +/*- + * Copyright (c) 1999 Assar Westerlund + * 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. + * + * $FreeBSD$ + */ + +#include <sys/types.h> +#include <sys/module.h> +#include <sys/syscall.h> + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +int +main(int argc __unused, char **argv __unused) +{ + int syscall_num; + struct module_stat stat; + + stat.version = sizeof(stat); + modstat(modfind("sys/syscall"), &stat); + syscall_num = stat.data.intval; + return syscall (syscall_num); +} |