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diff --git a/nptl/tst-thrd-detach.c b/nptl/tst-thrd-detach.c
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+/* C11 threads thread detach tests.
+ Copyright (C) 2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <threads.h>
+#include <time.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include <support/check.h>
+
+static int
+detach_thrd (void *arg)
+{
+ if (thrd_detach (thrd_current ()) != thrd_success)
+ FAIL_EXIT1 ("thrd_detach failed");
+ thrd_exit (thrd_success);
+}
+
+static int
+do_test (void)
+{
+ thrd_t id;
+
+ /* Create new thread. */
+ if (thrd_create (&id, detach_thrd, NULL) != thrd_success)
+ FAIL_EXIT1 ("thrd_create failed");
+
+ /* Give some time so the thread can finish. */
+ thrd_sleep (&(struct timespec) {.tv_sec = 2}, NULL);
+
+ if (thrd_join (id, NULL) == thrd_success)
+ FAIL_EXIT1 ("thrd_join succeed where it should fail");
+
+ return 0;
+}
+
+#include <support/test-driver.c>