1 files changed, 98 insertions, 0 deletions
diff --git a/pretty-printers/test-rwlock-attributes.c b/pretty-printers/test-rwlock-attributes.c
new file mode 100644
index 0000000000..d12facf41c
--- /dev/null
+++ b/pretty-printers/test-rwlock-attributes.c
@@ -0,0 +1,98 @@
+/* Helper program for testing the pthread_rwlock_t and pthread_rwlockattr_t
+   pretty printers.
+
+   Copyright (C) 2016 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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
+   <http://www.gnu.org/licenses/>.  */
+
+/* Keep the calls to the pthread_* functions on separate lines to make it easy
+   to advance through the program using the gdb 'next' command.  */
+
+#include <pthread.h>
+
+#define PASS 0
+#define FAIL 1
+
+/* Need these so we don't have lines longer than 79 chars.  */
+#define SET_KIND(attr, kind) pthread_rwlockattr_setkind_np (attr, kind)
+#define SET_SHARED(attr, shared) pthread_rwlockattr_setpshared (attr, shared)
+
+static int rwlock_reinit (pthread_rwlock_t *rwlock,
+			  const pthread_rwlockattr_t *attr);
+static int test_setkind_np (pthread_rwlock_t *rwlock,
+			    pthread_rwlockattr_t *attr);
+static int test_setpshared (pthread_rwlock_t *rwlock,
+			    pthread_rwlockattr_t *attr);
+
+int
+main (void)
+{
+  pthread_rwlock_t rwlock;
+  pthread_rwlockattr_t attr;
+  int result = FAIL;
+
+  if (pthread_rwlockattr_init (&attr) == 0
+      && pthread_rwlock_init (&rwlock, NULL) == 0
+      && test_setkind_np (&rwlock, &attr) == PASS
+      && test_setpshared (&rwlock, &attr) == PASS)
+    result = PASS;
+  /* Else, one of the pthread_rwlock* functions failed.  */
+
+  return result;
+}
+
+/* Destroys RWLOCK and re-initializes it using ATTR.  */
+static int
+rwlock_reinit (pthread_rwlock_t *rwlock, const pthread_rwlockattr_t *attr)
+{
+  int result = FAIL;
+
+  if (pthread_rwlock_destroy (rwlock) == 0
+      && pthread_rwlock_init (rwlock, attr) == 0)
+    result = PASS;
+
+  return result;
+}
+
+/* Tests setting whether the rwlock prefers readers or writers.  */
+static int
+test_setkind_np (pthread_rwlock_t *rwlock, pthread_rwlockattr_t *attr)
+{
+  int result = FAIL;
+
+  if (SET_KIND (attr, PTHREAD_RWLOCK_PREFER_READER_NP) == 0 /* Set kind.  */
+      && rwlock_reinit (rwlock, attr) == PASS
+      && SET_KIND (attr, PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP) == 0
+      && rwlock_reinit (rwlock, attr) == PASS)
+    result = PASS;
+
+  return result;
+}
+
+/* Tests setting whether the rwlock can be shared between processes.  */
+static int
+test_setpshared (pthread_rwlock_t *rwlock, pthread_rwlockattr_t *attr)
+{
+  int result = FAIL;
+
+  if (SET_SHARED (attr, PTHREAD_PROCESS_SHARED) == 0 /* Set shared.  */
+      && rwlock_reinit (rwlock, attr) == PASS
+      && SET_SHARED (attr, PTHREAD_PROCESS_PRIVATE) == 0
+      && rwlock_reinit (rwlock, attr) == PASS)
+    result = PASS;
+
+  return result;
+}