fix: handle EINTR correctly in get_cpu_mask_from_sysfs

[urcu.git] / include / urcu / wfstack.h

diff --git a/include/urcu/wfstack.h b/include/urcu/wfstack.h
index 5d58a9143ffb49eaaf6f2a1ad491aa34a81048d3..38e5b6b2dcb3099dec87f8a6b3fb4f5750e93fb1 100644 (file)
--- a/include/urcu/wfstack.h
+++ b/include/urcu/wfstack.h
@@ -1,26 +1,12 @@
+// SPDX-FileCopyrightText: 2010-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
+
 #ifndef _URCU_WFSTACK_H
 #define _URCU_WFSTACK_H
 
 /*
- * urcu/wfstack.h
- *
  * Userspace RCU library - Stack with wait-free push, blocking traversal.
- *
- * Copyright 2010-2012 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * This 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.
- *
- * This 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 this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <pthread.h>
@@ -98,11 +84,21 @@ struct cds_wfs_stack {
  *
  * In C++, implement static inline wrappers using function overloading
  * to obtain an API similar to C.
+ *
+ * Avoid complaints from clang++ not knowing the transparent union
+ * attribute.
  */
+#if defined(__clang__)
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wignored-attributes"
+#endif
 typedef union {
        struct __cds_wfs_stack *_s;
        struct cds_wfs_stack *s;
-} caa_c_transparent_union cds_wfs_stack_ptr_t;
+} __attribute__((__transparent_union__)) cds_wfs_stack_ptr_t;
+#if defined(__clang__)
+#pragma clang diagnostic pop
+#endif
 
 #ifdef _LGPL_SOURCE