added a simple rmmod

1 files changed, 34 insertions, 0 deletions

diff --git a/rmmod.c b/rmmod.c
new file mode 100644
index 0000000..e0545d3
--- /dev/null
+++ b/rmmod.c
@@ -0,0 +1,34 @@
+/* See LICENSE file for copyright and license details. */
+#include <fcntl.h>
+#include <sys/syscall.h>
+#include <unistd.h>
+
+#include "util.h"
+
+static void
+usage(void)
+{
+	eprintf("usage: %s <module>\n", argv0);
+}
+
+int
+main(int argc, char *argv[])
+{
+	char *module;
+
+	ARGBEGIN {
+	default:
+		usage();
+	} ARGEND
+
+	if (argc != 1) {
+		weprintf("Expecting exactly one 'module' to remove\n");
+		usage();
+	}
+	module = argv[0];
+	
+	if (syscall(__NR_delete_module, module, O_NONBLOCK) < 0)
+		eprintf("delete_module:");
+
+	return 0;
+}