1 files changed, 116 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.threads/process-dies-while-detaching.c b/gdb/testsuite/gdb.threads/process-dies-while-detaching.c
new file mode 100644
index 0000000..a28e804
--- /dev/null
+++ b/gdb/testsuite/gdb.threads/process-dies-while-detaching.c
@@ -0,0 +1,116 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+   Copyright 2016 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 <stdlib.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <assert.h>
+
+/* This barrier ensures we only reach the initial breakpoint after all
+   threads have started.  */
+pthread_barrier_t start_threads_barrier;
+
+/* Many threads in order to be fairly sure the process exits while GDB
+   is detaching from each thread in the process, on targets that need
+   to detach from each thread individually.  */
+#define NTHREADS 256
+
+/* GDB sets a watchpoint here.  */
+int globalvar = 1;
+
+/* GDB reads this.  */
+int mypid;
+
+/* Threads' entry point.  */
+
+void *
+thread_function (void *arg)
+{
+  pthread_barrier_wait (&start_threads_barrier);
+  _exit (0);
+}
+
+/* The fork child's entry point.  */
+
+void
+child_function (void)
+{
+  pthread_t threads[NTHREADS];
+  int i;
+
+  pthread_barrier_init (&start_threads_barrier, NULL, NTHREADS + 1);
+
+  for (i = 0; i < NTHREADS; i++)
+    pthread_create (&threads[i], NULL, thread_function, NULL);
+  pthread_barrier_wait (&start_threads_barrier);
+
+  exit (0);
+}
+
+/* This is defined by the .exp file if testing the multi-process
+   variant.  */
+#ifdef MULTIPROCESS
+
+/* The fork parent's entry point.  */
+
+void
+parent_function (pid_t child)
+{
+  int status, ret;
+
+  alarm (300);
+
+  ret = waitpid (child, &status, 0);
+  if (ret == -1)
+    exit (1);
+  else if (!WIFEXITED (status))
+    exit (2);
+  else
+    {
+      printf ("exited, status=%d\n", WEXITSTATUS (status));
+      exit (0);
+    }
+}
+
+#endif
+
+int
+main (void)
+{
+#ifdef MULTIPROCESS
+  pid_t child;
+
+  child = fork ();
+  if (child == -1)
+    return 1;
+#endif
+
+  mypid = getpid ();
+
+#ifdef MULTIPROCESS
+  if (child != 0)
+    parent_function (child);
+  else
+#endif
+    child_function ();
+
+  /* Not reached.  */
+  abort ();
+}