1 files changed, 85 insertions, 0 deletions
diff --git a/sysdeps/pthread/tst-backtrace1.c b/sysdeps/pthread/tst-backtrace1.c
new file mode 100644
index 0000000000..9c7efd306a
--- /dev/null
+++ b/sysdeps/pthread/tst-backtrace1.c
@@ -0,0 +1,85 @@
+/* Copyright (C) 2004-2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Jakub Jelinek <jakub@redhat.com>, 2004.
+
+   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
+   <https://www.gnu.org/licenses/>.  */
+
+#include <execinfo.h>
+#include <pthread.h>
+#include <stdio.h>
+
+#define BT_SIZE 64
+void *bt_array[BT_SIZE];
+int bt_cnt;
+
+int
+do_bt (void)
+{
+  bt_cnt = backtrace (bt_array, BT_SIZE);
+  return 56;
+}
+
+int
+call_do_bt (void)
+{
+  return do_bt () + 1;
+}
+
+void *
+tf (void *arg)
+{
+  if (call_do_bt () != 57)
+    return (void *) 1L;
+  return NULL;
+}
+
+int
+do_test (void)
+{
+  pthread_t th;
+  if (pthread_create (&th, NULL, tf, NULL))
+    {
+      puts ("create failed");
+      return 1;
+    }
+
+  void *res;
+  if (pthread_join (th, &res))
+    {
+      puts ("join failed");
+      return 1;
+    }
+
+  if (res != NULL)
+    {
+      puts ("thread failed");
+      return 1;
+    }
+
+  char **text = backtrace_symbols (bt_array, bt_cnt);
+  if (text == NULL)
+    {
+      puts ("backtrace_symbols failed");
+      return 1;
+    }
+
+  for (int i = 0; i < bt_cnt; ++i)
+    puts (text[i]);
+
+  return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"