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-rw-r--r--sysdeps/pthread/tst-join1.c82
1 files changed, 82 insertions, 0 deletions
diff --git a/sysdeps/pthread/tst-join1.c b/sysdeps/pthread/tst-join1.c
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+/* 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 <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+
+static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
+
+
+static void *
+tf (void *arg)
+{
+  pthread_t mh = (pthread_t) arg;
+  void *result;
+
+  if (pthread_mutex_unlock (&lock) != 0)
+    {
+      puts ("unlock failed");
+      exit (1);
+    }
+
+  if (pthread_join (mh, &result) != 0)
+    {
+      puts ("join failed");
+      exit (1);
+    }
+
+  if (result != (void *) 42l)
+    {
+      printf ("result wrong: expected %p, got %p\n", (void *) 42, result);
+      exit (1);
+    }
+
+  exit (0);
+}
+
+
+static int
+do_test (void)
+{
+  pthread_t th;
+
+  if (pthread_mutex_lock (&lock) != 0)
+    {
+      puts ("1st lock failed");
+      exit (1);
+    }
+
+  if (pthread_create (&th, NULL, tf, (void *) pthread_self ()) != 0)
+    {
+      puts ("create failed");
+      exit (1);
+    }
+
+  if (pthread_mutex_lock (&lock) != 0)
+    {
+      puts ("2nd lock failed");
+      exit (1);
+    }
+
+  pthread_exit ((void *) 42);
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"