1 files changed, 77 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.server/stop-reply-no-thread-multi.c b/gdb/testsuite/gdb.server/stop-reply-no-thread-multi.c
new file mode 100644
index 0000000..40cc71a
--- /dev/null
+++ b/gdb/testsuite/gdb.server/stop-reply-no-thread-multi.c
@@ -0,0 +1,77 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+   Copyright 2021 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 <stdlib.h>
+#include <pthread.h>
+#include <unistd.h>
+
+volatile int worker_blocked = 1;
+volatile int main_blocked = 1;
+
+void
+unlock_worker (void)
+{
+  worker_blocked = 0;
+}
+
+void
+unlock_main (void)
+{
+  main_blocked = 0;
+}
+
+void
+breakpt (void)
+{
+  /* Nothing.  */
+}
+
+static void *
+worker (void *data)
+{
+  unlock_main ();
+
+  while (worker_blocked)
+    ;
+
+  breakpt ();
+
+  return NULL;
+}
+
+int
+main (void)
+{
+  pthread_t thr;
+  void *retval;
+
+  /* Ensure the test doesn't run forever.  */
+  alarm (99);
+
+  if (pthread_create (&thr, NULL, worker, NULL) != 0)
+    abort ();
+
+  while (main_blocked)
+    ;
+
+  unlock_worker ();
+
+  if (pthread_join (thr, &retval) != 0)
+    abort ();
+
+  return 0;
+}