1 files changed, 123 insertions, 0 deletions
diff --git a/share/examples/kld/cdev/test/testcdev.c b/share/examples/kld/cdev/test/testcdev.c
new file mode 100644
index 000000000000..0a6118103c03
--- /dev/null
+++ b/share/examples/kld/cdev/test/testcdev.c
@@ -0,0 +1,123 @@
+/* 08 Nov 1998*/
+/*
+ * testmisc.c
+ *
+ * Test program to call the sample loaded kld device driver.
+ *
+ * 05 Jun 93	Rajesh Vaidheeswarran		Original
+ *
+ *
+ * Copyright (c) 1993 Rajesh Vaidheeswarran.
+ * 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 Rajesh Vaidheeswarran.
+ * 4. The name Rajesh Vaidheeswarran may not be used to endorse or promote
+ *    products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY RAJESH VAIDHEESWARRAN ``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 RAJESH VAIDHEESWARRAN 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.
+ *
+ * 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.
+ *
+ *
+ * $FreeBSD$
+ */
+
+#include <stdio.h>
+#include <fcntl.h>
+#include <paths.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/ioccom.h>
+
+#define CDEV_IOCTL1     _IOR('C', 1, u_int)
+#define CDEV_DEVICE	"cdev"
+
+static char writestr[] = "Hello kernel!";
+static char buf[512+1];
+
+int
+main(int argc, char *argv[])
+{
+    int kernel_fd;
+    int one;
+    int len;
+
+    if ((kernel_fd = open("/dev/" CDEV_DEVICE, O_RDWR)) == -1) {
+	perror("/dev/" CDEV_DEVICE);
+	exit(1);
+    }
+
+    /* Send ioctl */
+    if (ioctl(kernel_fd, CDEV_IOCTL1, &one) == -1) {
+	perror("CDEV_IOCTL1");
+    } else {
+	printf( "Sent ioctl CDEV_IOCTL1 to device %s%s\n", _PATH_DEV, CDEV_DEVICE);
+    }
+
+    len = strlen(writestr) + 1;
+
+    /* Write operation */
+    if (write(kernel_fd, writestr, len) == -1) {
+	perror("write()");
+    } else {
+	printf("Written \"%s\" string to device /dev/" CDEV_DEVICE "\n", writestr);
+    }
+
+    /* Read operation */
+    if (read(kernel_fd, buf, len) == -1) {
+	perror("read()");
+    } else {
+	printf("Read \"%s\" string from device /dev/" CDEV_DEVICE "\n", buf);
+    }
+
+    exit(0);
+}