Adding upstream version 1.21.8.upstream/1.21.8

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

1 files changed, 15 insertions, 0 deletions

diff --git a/src/runtime/os_unix_nonlinux.go b/src/runtime/os_unix_nonlinux.go
new file mode 100644
index 0000000..b98753b
--- /dev/null
+++ b/src/runtime/os_unix_nonlinux.go
@@ -0,0 +1,15 @@
+// Copyright 2022 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 unix && !linux
+
+package runtime
+
+// sigFromUser reports whether the signal was sent because of a call
+// to kill.
+//
+//go:nosplit
+func (c *sigctxt) sigFromUser() bool {
+	return c.sigcode() == _SI_USER
+}