Merge branch 't/tls' into refs/top-bases/t/tls-threadvar

1 files changed, 42 insertions, 0 deletions

diff --git a/sysdeps/posix/pwritev2.c b/sysdeps/posix/pwritev2.c
new file mode 100644
index 0000000000..a39304d9d9
--- /dev/null
+++ b/sysdeps/posix/pwritev2.c
@@ -0,0 +1,42 @@
+/* Generic version of pwritev2.
+   Copyright (C) 2017-2018 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/>.  */
+
+#include <errno.h>
+#include <unistd.h>
+#include <sys/uio.h>
+
+#ifndef __OFF_T_MATCHES_OFF64_T
+
+/* Since we define no flags for pwritev2 just route to pwritev.  */
+ssize_t
+pwritev2 (int fd, const struct iovec *vector, int count, off_t offset,
+	  int flags)
+{
+  if (flags != 0)
+    {
+      __set_errno (ENOTSUP);
+      return -1;
+    }
+
+  if (offset == -1)
+    return __writev (fd, vector, count);
+  else
+    return pwritev (fd, vector, count, offset);
+}
+
+#endif