1 files changed, 46 insertions, 0 deletions
diff --git a/src/watchdog_ioctl.c b/src/watchdog_ioctl.c
new file mode 100644
index 000000000..160c5f52f
--- /dev/null
+++ b/src/watchdog_ioctl.c
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2019 The strace developers.
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ */
+
+#include "defs.h"
+
+#include <linux/watchdog.h>
+
+#define XLAT_MACROS_ONLY
+#include "xlat/watchdog_ioctl_cmds.h"
+#undef XLAT_MACROS_ONLY
+
+int
+watchdog_ioctl(struct tcb *const tcp, const unsigned int code,
+	   const kernel_ulong_t arg)
+{
+	switch (code) {
+	case WDIOC_GETSTATUS:
+	case WDIOC_GETBOOTSTATUS:
+	case WDIOC_GETTEMP:
+	case WDIOC_GETTIMEOUT:
+	case WDIOC_GETPRETIMEOUT:
+	case WDIOC_GETTIMELEFT:
+		if (entering(tcp))
+			return 0;
+		ATTRIBUTE_FALLTHROUGH;
+	case WDIOC_SETTIMEOUT:
+	case WDIOC_SETPRETIMEOUT:
+		tprints(", ");
+		printnum_int(tcp, arg, "%d");
+		break;
+
+	/*
+	 * linux/watchdog.h says that this takes an int, but in
+	 * practice the argument is ignored.
+	 */
+	case WDIOC_KEEPALIVE:
+		break;
+	default:
+		return RVAL_DECODED;
+	}
+	return RVAL_IOCTL_DECODED;
+}