/*
- * libringbuffer/shm.c
+ * SPDX-License-Identifier: LGPL-2.1-only
*
* Copyright (C) 2005-2012 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; only
- * version 2.1 of the License.
- *
- * 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
*/
#define _LGPL_SOURCE
#include <numa.h>
#include <numaif.h>
#endif
-#include <helper.h>
+#include <ust-helper.h>
#include <ust-fd.h>
#include "mmap.h"
PERROR("zero_file");
goto error_zero_file;
}
+
/*
* Also ensure the file metadata is synced with the storage by using
- * fsync(2).
+ * fsync(2). Some platforms don't allow fsync on POSIX shm fds, ignore
+ * EINVAL accordingly.
*/
ret = fsync(shmfd);
- if (ret) {
+ if (ret && errno != EINVAL) {
PERROR("fsync");
goto error_fsync;
}