1 files changed, 49 insertions, 0 deletions
diff --git a/src/kernel/tests/include/lapi/clone.h b/src/kernel/tests/include/lapi/clone.h
new file mode 100644
index 0000000..2b8cbdb
--- /dev/null
+++ b/src/kernel/tests/include/lapi/clone.h
@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) 2020 Linaro Limited. All rights reserved.
+ * Author: Viresh Kumar <viresh.kumar@linaro.org>
+ */
+
+#ifndef LAPI_CLONE_H__
+#define LAPI_CLONE_H__
+
+#include <sys/syscall.h>
+#include <linux/types.h>
+#include <sched.h>
+
+#include "config.h"
+#include "lapi/syscalls.h"
+
+#ifndef HAVE_CLONE3
+struct clone_args {
+	uint64_t __attribute__((aligned(8))) flags;
+	uint64_t __attribute__((aligned(8))) pidfd;
+	uint64_t __attribute__((aligned(8))) child_tid;
+	uint64_t __attribute__((aligned(8))) parent_tid;
+	uint64_t __attribute__((aligned(8))) exit_signal;
+	uint64_t __attribute__((aligned(8))) stack;
+	uint64_t __attribute__((aligned(8))) stack_size;
+	uint64_t __attribute__((aligned(8))) tls;
+};
+
+int clone3(struct clone_args *args, size_t size)
+{
+	return tst_syscall(__NR_clone3, args, size);
+}
+#endif
+
+#ifndef CLONE_PIDFD
+#define CLONE_PIDFD	0x00001000	/* set if a pidfd should be placed in parent */
+#endif
+
+void clone3_supported_by_kernel(void)
+{
+	if ((tst_kvercmp(5, 3, 0)) < 0) {
+		/* Check if the syscall is backported on an older kernel */
+		TEST(syscall(__NR_clone3, NULL, 0));
+		if (TST_RET == -1 && TST_ERR == ENOSYS)
+			tst_brk(TCONF, "Test not supported on kernel version < v5.3");
+	}
+}
+
+#endif /* LAPI_CLONE_H__ */