1 files changed, 73 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.mi/mi-cmd-user-context.c b/gdb/testsuite/gdb.mi/mi-cmd-user-context.c
new file mode 100644
index 00000000000..bb74ab86b20
--- /dev/null
+++ b/gdb/testsuite/gdb.mi/mi-cmd-user-context.c
@@ -0,0 +1,73 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+   Copyright 2016-2022 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 <stdint.h>
+
+#define NUM_THREADS 2
+
+static volatile int unblock_main[NUM_THREADS];
+
+static void
+child_sub_function (int child_idx)
+{
+  volatile int dummy = 0;
+
+  unblock_main[child_idx] = 1;
+
+  while (1)
+    /* Dummy loop body to allow setting breakpoint.  */
+    dummy = !dummy; /* thread loop line */
+}
+
+static void *
+child_function (void *args)
+{
+  int child_idx = (int) (uintptr_t) args;
+
+  child_sub_function (child_idx); /* thread caller line */
+
+  return NULL;
+}
+
+int
+main (void)
+{
+  int i = 0;
+  pthread_t threads[NUM_THREADS];
+
+  /* Make the test exit eventually.  */
+  alarm (20);
+
+  for (i = 0; i < NUM_THREADS; i++)
+    pthread_create (&threads[i], NULL, child_function, (void *) (uintptr_t) i);
+
+  /* Wait for child threads to reach child_sub_function.  */
+  for (i = 0; i < NUM_THREADS; i++)
+    while (!unblock_main[i])
+      ;
+
+  volatile int dummy = 0;
+  while (1)
+    /* Dummy loop body to allow setting breakpoint.  */
+    dummy = !dummy; /* main break line */
+
+  return 0;
+}