Adding upstream version 1.16.10.upstream/1.16.10upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 22 insertions, 0 deletions

diff --git a/src/runtime/nbpipe_pipe2.go b/src/runtime/nbpipe_pipe2.go
new file mode 100644
index 0000000..e3639d9
--- /dev/null
+++ b/src/runtime/nbpipe_pipe2.go
@@ -0,0 +1,22 @@
+// Copyright 2019 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build freebsd linux netbsd openbsd solaris
+
+package runtime
+
+func nonblockingPipe() (r, w int32, errno int32) {
+	r, w, errno = pipe2(_O_NONBLOCK | _O_CLOEXEC)
+	if errno == -_ENOSYS {
+		r, w, errno = pipe()
+		if errno != 0 {
+			return -1, -1, errno
+		}
+		closeonexec(r)
+		setNonblock(r)
+		closeonexec(w)
+		setNonblock(w)
+	}
+	return r, w, errno
+}