1 files changed, 115 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.threads/fork-plus-threads.c b/gdb/testsuite/gdb.threads/fork-plus-threads.c
new file mode 100644
index 0000000..780a4b8
--- /dev/null
+++ b/gdb/testsuite/gdb.threads/fork-plus-threads.c
@@ -0,0 +1,115 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+   Copyright 2015 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 <assert.h>
+#include <pthread.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+
+
+/* Number of times the main process forks.  */
+#define NFORKS 10
+
+/* Number of threads by each fork child.  */
+#define NTHREADS 10
+
+static void *
+thread_func (void *arg)
+{
+  /* Empty.  */
+}
+
+static void
+fork_child (void)
+{
+  pthread_t threads[NTHREADS];
+  int i;
+  int ret;
+
+  for (i = 0; i < NTHREADS; i++)
+    {
+      ret = pthread_create (&threads[i], NULL, thread_func, NULL);
+      assert (ret == 0);
+    }
+
+  for (i = 0; i < NTHREADS; i++)
+    {
+      ret = pthread_join (threads[i], NULL);
+      assert (ret == 0);
+    }
+}
+
+int
+main (void)
+{
+  pid_t childs[NFORKS];
+  int i;
+  int status;
+  int num_exited = 0;
+
+  /* Don't run forever if the wait loop below gets stuck.  */
+  alarm (180);
+
+  for (i = 0; i < NFORKS; i++)
+    {
+      pid_t pid;
+
+      pid = fork ();
+
+      if (pid > 0)
+	{
+	  /* Parent.  */
+	  childs[i] = pid;
+	}
+      else if (pid == 0)
+	{
+	  /* Child.  */
+	  fork_child ();
+	  return 0;
+	}
+      else
+	{
+	  perror ("fork");
+	  return 1;
+	}
+    }
+
+  while (num_exited != NFORKS)
+    {
+      pid_t pid = wait (&status);
+
+      if (pid == -1)
+	{
+	  perror ("wait");
+	  return 1;
+	}
+
+      if (WIFEXITED (status))
+	{
+	  num_exited++;
+	}
+      else
+	{
+	  printf ("Hmm, unexpected wait status 0x%x from child %d\n", status,
+		  pid);
+	}
+    }
+
+  return 0;
+}