1 files changed, 162 insertions, 0 deletions
diff --git a/sysdeps/pthread/tst-cond2.c b/sysdeps/pthread/tst-cond2.c
new file mode 100644
index 0000000..6752cca
--- /dev/null
+++ b/sysdeps/pthread/tst-cond2.c
@@ -0,0 +1,162 @@
+/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#include <error.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+
+static pthread_mutex_t mut = PTHREAD_MUTEX_INITIALIZER;
+static pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
+
+static pthread_barrier_t bar;
+
+
+static void *
+tf (void *a)
+{
+  int i = (long int) a;
+  int err;
+
+  printf ("child %d: lock\n", i);
+
+  err = pthread_mutex_lock (&mut);
+  if (err != 0)
+    error (EXIT_FAILURE, err, "locking in child failed");
+
+  printf ("child %d: sync\n", i);
+
+  int e = pthread_barrier_wait (&bar);
+  if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
+    {
+      puts ("child: barrier_wait failed");
+      exit (1);
+    }
+
+  printf ("child %d: wait\n", i);
+
+  err = pthread_cond_wait (&cond, &mut);
+  if (err != 0)
+    error (EXIT_FAILURE, err, "child %d: failed to wait", i);
+
+  printf ("child %d: woken up\n", i);
+
+  err = pthread_mutex_unlock (&mut);
+  if (err != 0)
+    error (EXIT_FAILURE, err, "child %d: unlock[2] failed", i);
+
+  printf ("child %d: done\n", i);
+
+  return NULL;
+}
+
+
+#define N 10
+
+
+static int
+do_test (void)
+{
+  pthread_t th[N];
+  int i;
+  int err;
+
+  printf ("&cond = %p\n&mut = %p\n", &cond, &mut);
+
+  if (pthread_barrier_init (&bar, NULL, 2) != 0)
+    {
+      puts ("barrier_init failed");
+      exit (1);
+    }
+
+  pthread_attr_t at;
+
+  if (pthread_attr_init (&at) != 0)
+    {
+      puts ("attr_init failed");
+      return 1;
+    }
+
+  if (pthread_attr_setstacksize (&at, 1 * 1024 * 1024) != 0)
+    {
+      puts ("attr_setstacksize failed");
+      return 1;
+    }
+
+  for (i = 0; i < N; ++i)
+    {
+      printf ("create thread %d\n", i);
+
+      err = pthread_create (&th[i], &at, tf, (void *) (long int) i);
+      if (err != 0)
+	error (EXIT_FAILURE, err, "cannot create thread %d", i);
+
+      printf ("wait for child %d\n", i);
+
+      /* Wait for the child to start up and get the mutex for the
+	 conditional variable.  */
+      int e = pthread_barrier_wait (&bar);
+      if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
+	{
+	  puts ("barrier_wait failed");
+	  exit (1);
+	}
+    }
+
+  if (pthread_attr_destroy (&at) != 0)
+    {
+      puts ("attr_destroy failed");
+      return 1;
+    }
+
+  puts ("get lock outselves");
+
+  err = pthread_mutex_lock (&mut);
+  if (err != 0)
+    error (EXIT_FAILURE, err, "mut locking failed");
+
+  puts ("broadcast");
+
+  /* Wake up all threads.  */
+  err = pthread_cond_broadcast (&cond);
+  if (err != 0)
+    error (EXIT_FAILURE, err, "parent: broadcast failed");
+
+  err = pthread_mutex_unlock (&mut);
+  if (err != 0)
+    error (EXIT_FAILURE, err, "mut unlocking failed");
+
+  /* Join all threads.  */
+  for (i = 0; i < N; ++i)
+    {
+      printf ("join thread %d\n", i);
+
+      err = pthread_join (th[i], NULL);
+      if (err != 0)
+	error (EXIT_FAILURE, err, "join of child %d failed", i);
+    }
+
+  puts ("done");
+
+  return 0;
+}
+
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"