Adding upstream version 1.21.8.upstream/1.21.8

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

1 files changed, 29 insertions, 0 deletions

diff --git a/src/runtime/net_plan9.go b/src/runtime/net_plan9.go
new file mode 100644
index 0000000..b1ac7c7
--- /dev/null
+++ b/src/runtime/net_plan9.go
@@ -0,0 +1,29 @@
+// Copyright 2016 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.
+
+package runtime
+
+import (
+	_ "unsafe"
+)
+
+//go:linkname runtime_ignoreHangup internal/poll.runtime_ignoreHangup
+func runtime_ignoreHangup() {
+	getg().m.ignoreHangup = true
+}
+
+//go:linkname runtime_unignoreHangup internal/poll.runtime_unignoreHangup
+func runtime_unignoreHangup(sig string) {
+	getg().m.ignoreHangup = false
+}
+
+func ignoredNote(note *byte) bool {
+	if note == nil {
+		return false
+	}
+	if gostringnocopy(note) != "hangup" {
+		return false
+	}
+	return getg().m.ignoreHangup
+}