1 files changed, 94 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.python/py-thrhandle.c b/gdb/testsuite/gdb.python/py-thrhandle.c
new file mode 100644
index 0000000..0dd974f
--- /dev/null
+++ b/gdb/testsuite/gdb.python/py-thrhandle.c
@@ -0,0 +1,94 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+   Copyright 2017 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 <pthread.h>
+#include <unistd.h>
+#include <memory.h>
+
+#define NTHR 3
+#define NBOGUSTHR 2
+
+int thr_data[NTHR];
+
+/* Thread handles for each thread plus some "bogus" threads.  */
+pthread_t thrs[NTHR + NBOGUSTHR];
+
+/* The thread children will meet at this barrier. */
+pthread_barrier_t c_barrier;
+
+/* The main thread and child thread will meet at this barrier. */
+pthread_barrier_t mc_barrier;
+
+void
+do_something (int n)
+{
+}
+
+void *
+do_work (void *data)
+{
+  int num = * (int *) data;
+
+  /* As the child threads are created, they'll meet the main thread
+     at this barrier.  We do this to ensure that threads end up in
+     GDB's thread list in the order in which they were created.  Having
+     this ordering makes it easier to write the test.  */
+  pthread_barrier_wait (&mc_barrier);
+
+  /* All of the child threads will meet at this barrier before proceeding.
+     This ensures that all threads will be active (not exited) and in
+     roughly the same state when the first one hits the breakpoint in
+     do_something().  */
+  pthread_barrier_wait (&c_barrier);
+
+  do_something (num);
+
+  pthread_exit (NULL);
+}
+
+void
+after_mc_barrier (void)
+{
+}
+
+int
+main (int argc, char **argv)
+{
+  int i;
+
+  pthread_barrier_init (&c_barrier, NULL, NTHR - 1);
+  pthread_barrier_init (&mc_barrier, NULL, 2);
+
+  thrs[0] = pthread_self ();
+  thr_data[0] = 1;
+
+  /* Create two bogus thread handles.  */
+  memset (&thrs[NTHR], 0, sizeof (pthread_t));
+  memset (&thrs[NTHR + 1], 0xaa, sizeof (pthread_t));
+
+  for (i = 1; i < NTHR; i++)
+    {
+      thr_data[i] = i + 1;
+
+      pthread_create (&thrs[i], NULL, do_work, &thr_data[i]);
+      pthread_barrier_wait (&mc_barrier);
+      after_mc_barrier ();
+    }
+
+  for (i = 1; i < NTHR; i++)
+    pthread_join (thrs[i], NULL);
+}