Replace the misc example with a simpler syscall example using the new

module registration hooks for syscalls.

Submitted by: Assar Westerlund <assar@sics.se>

2 files changed, 59 insertions, 0 deletions

diff --git a/share/examples/kld/syscall/test/Makefile b/share/examples/kld/syscall/test/Makefile
new file mode 100644
index 000000000000..5968689e31de
--- /dev/null
+++ b/share/examples/kld/syscall/test/Makefile
@@ -0,0 +1,6 @@
+# Makefile for simple caller of syscall
+
+PROG  = call
+NOMAN = noman
+
+.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 000000000000..da834eac000c
--- /dev/null
+++ b/share/examples/kld/syscall/test/call.c
@@ -0,0 +1,53 @@
+/*-
+ * 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.
+ *
+ *     $Id$
+ */
+
+#include <stdio.h>
+#include <sys/syscall.h>
+
+static void usage (void);
+
+static void
+usage (void)
+{
+	fprintf (stderr, "call syscall-number\n");
+	exit (1);
+}
+
+int
+main(int argc, char **argv)
+{
+	char *endptr;
+	int syscall_num;
+
+	if (argc != 2)
+		usage ();
+	syscall_num = strtol (argv[1], &endptr, 0);
+	if (syscall_num == 0 && argv[1] == endptr)
+		errx (1, "Bad number `%s'", argv[1]);
+	return syscall (syscall_num);
+}