1 files changed, 35 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.base/user-namespace-attach.c b/gdb/testsuite/gdb.base/user-namespace-attach.c
new file mode 100644
index 0000000..684ce1c
--- /dev/null
+++ b/gdb/testsuite/gdb.base/user-namespace-attach.c
@@ -0,0 +1,35 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+   Copyright 2025 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#include <sys/types.h>
+#include <unistd.h>
+#include <stdio.h>
+
+volatile int spin_p = 1;
+
+int
+main ()
+{
+  alarm (60);
+
+  printf ("pid = %lld\n", ((long long) getpid ()));
+
+  while (spin_p)
+    sleep (1);
+
+  return 0;
+}