Adding upstream version 1.21.8.upstream/1.21.8

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

1 files changed, 19 insertions, 0 deletions

diff --git a/src/runtime/nbpipe_pipe.go b/src/runtime/nbpipe_pipe.go
new file mode 100644
index 0000000..408e1ec
--- /dev/null
+++ b/src/runtime/nbpipe_pipe.go
@@ -0,0 +1,19 @@
+// 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.
+
+//go:build aix || darwin
+
+package runtime
+
+func nonblockingPipe() (r, w int32, errno int32) {
+	r, w, errno = pipe()
+	if errno != 0 {
+		return -1, -1, errno
+	}
+	closeonexec(r)
+	setNonblock(r)
+	closeonexec(w)
+	setNonblock(w)
+	return r, w, errno
+}