Adding upstream version 1.21.8.upstream/1.21.8

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

1 files changed, 43 insertions, 0 deletions

diff --git a/src/runtime/norace_linux_test.go b/src/runtime/norace_linux_test.go
new file mode 100644
index 0000000..3521b24
--- /dev/null
+++ b/src/runtime/norace_linux_test.go
@@ -0,0 +1,43 @@
+// Copyright 2015 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.
+
+// The file contains tests that cannot run under race detector for some reason.
+//
+//go:build !race
+
+package runtime_test
+
+import (
+	"internal/abi"
+	"runtime"
+	"testing"
+	"time"
+	"unsafe"
+)
+
+var newOSProcDone bool
+
+//go:nosplit
+func newOSProcCreated() {
+	newOSProcDone = true
+}
+
+// Can't be run with -race because it inserts calls into newOSProcCreated()
+// that require a valid G/M.
+func TestNewOSProc0(t *testing.T) {
+	runtime.NewOSProc0(0x800000, unsafe.Pointer(abi.FuncPCABIInternal(newOSProcCreated)))
+	check := time.NewTicker(100 * time.Millisecond)
+	defer check.Stop()
+	end := time.After(5 * time.Second)
+	for {
+		select {
+		case <-check.C:
+			if newOSProcDone {
+				return
+			}
+		case <-end:
+			t.Fatalf("couldn't create new OS process")
+		}
+	}
+}