1 files changed, 65 insertions, 0 deletions
diff --git a/usr/src/test/os-tests/tests/uccid/excl-basic.c b/usr/src/test/os-tests/tests/uccid/excl-basic.c
new file mode 100644
index 0000000000..c6cf30dd5e
--- /dev/null
+++ b/usr/src/test/os-tests/tests/uccid/excl-basic.c
@@ -0,0 +1,65 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2019, Joyent, Inc.
+ */
+
+/*
+ * Verify that we can grab a basic exclusive lock through an ioctl on the slot.
+ * Then that we can release it afterwards.
+ */
+
+#include <err.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <strings.h>
+#include <unistd.h>
+
+#include <sys/usb/clients/ccid/uccid.h>
+
+int
+main(int argc, char *argv[])
+{
+	int fd;
+	uint_t i;
+	uccid_cmd_txn_begin_t begin;
+	uccid_cmd_txn_end_t end;
+
+	if (argc != 2) {
+		errx(EXIT_FAILURE, "missing required ccid path");
+	}
+
+	if ((fd = open(argv[1], O_RDWR)) < 0) {
+		err(EXIT_FAILURE, "failed to open %s", argv[1]);
+	}
+
+	bzero(&begin, sizeof (begin));
+	bzero(&end, sizeof (end));
+
+	begin.uct_version = UCCID_CURRENT_VERSION;
+	end.uct_version = UCCID_CURRENT_VERSION;
+	end.uct_flags = UCCID_TXN_END_RELEASE;
+
+	for (i = 0; i < 10; i++) {
+		if (ioctl(fd, UCCID_CMD_TXN_BEGIN, &begin) != 0) {
+			err(EXIT_FAILURE, "failed to issue begin ioctl");
+		}
+
+		if (ioctl(fd, UCCID_CMD_TXN_END, &end) != 0) {
+			err(EXIT_FAILURE, "failed to issue end ioctl");
+		}
+	}
+
+	return (0);
+}