X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=libringbuffer%2Fshm.c;h=580504681acc649ef013610cbe26b16967bfc068;hb=864a1eda22ed99266509ac76451c6f27f91aa17e;hp=566ed467fe2f715bc60f56449b222964c8b51acd;hpb=053e6e240f3fb5b2427fb28f8f09c652e2bdb39a;p=lttng-ust.git

diff --git a/libringbuffer/shm.c b/libringbuffer/shm.c
index 566ed467..58050468 100644
--- a/libringbuffer/shm.c
+++ b/libringbuffer/shm.c
@@ -1,21 +1,7 @@
 /*
- * 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
@@ -38,7 +24,7 @@
 #include <numa.h>
 #include <numaif.h>
 #endif
-#include <helper.h>
+#include <ust-helper.h>
 #include <ust-fd.h>
 #include "mmap.h"
 
@@ -149,12 +135,14 @@ struct shm_object *_shm_object_table_alloc_shm(struct shm_object_table *table,
 		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;
 	}