Adding upstream version 1.1.0.upstream/1.1.0upstream

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

1 files changed, 56 insertions, 0 deletions

diff --git a/dependencies/pkg/mod/golang.org/x/exp@v0.0.0-20220613132600-b0d781184e0d/mmap/manual_test_program.go b/dependencies/pkg/mod/golang.org/x/exp@v0.0.0-20220613132600-b0d781184e0d/mmap/manual_test_program.go
new file mode 100644
index 0000000..a1ab17b
--- /dev/null
+++ b/dependencies/pkg/mod/golang.org/x/exp@v0.0.0-20220613132600-b0d781184e0d/mmap/manual_test_program.go
@@ -0,0 +1,56 @@
+// 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.
+
+//go:build ignore
+// +build ignore
+
+//
+// This build tag means that "go build" does not build this file. Use "go run
+// manual_test_program.go" to run it.
+//
+// You will also need to change "debug = false" to "debug = true" in mmap_*.go.
+
+package main
+
+import (
+	"log"
+	"math/rand"
+	"time"
+
+	"golang.org/x/exp/mmap"
+)
+
+var garbage []byte
+
+func main() {
+	const filename = "manual_test_program.go"
+
+	for _, explicitClose := range []bool{false, true} {
+		r, err := mmap.Open(filename)
+		if err != nil {
+			log.Fatalf("Open: %v", err)
+		}
+		if explicitClose {
+			r.Close()
+		} else {
+			// Leak the *mmap.ReaderAt returned by mmap.Open. The finalizer
+			// should pick it up, if finalizers run at all.
+		}
+	}
+
+	println("Finished all explicit Close calls.")
+	println("Creating and collecting garbage.")
+	println("Look for two munmap log messages.")
+	println("Hit Ctrl-C to exit.")
+
+	rng := rand.New(rand.NewSource(1))
+	now := time.Now()
+	for {
+		garbage = make([]byte, rng.Intn(1<<20))
+		if time.Since(now) > 1*time.Second {
+			now = time.Now()
+			print(".")
+		}
+	}
+}