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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 13:14:23 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 13:14:23 +0000
commit73df946d56c74384511a194dd01dbe099584fd1a (patch)
treefd0bcea490dd81327ddfbb31e215439672c9a068 /test/uintptrescapes.dir/main.go
parentInitial commit. (diff)
downloadgolang-1.16-73df946d56c74384511a194dd01dbe099584fd1a.tar.xz
golang-1.16-73df946d56c74384511a194dd01dbe099584fd1a.zip
Adding upstream version 1.16.10.upstream/1.16.10upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'test/uintptrescapes.dir/main.go')
-rw-r--r--test/uintptrescapes.dir/main.go91
1 files changed, 91 insertions, 0 deletions
diff --git a/test/uintptrescapes.dir/main.go b/test/uintptrescapes.dir/main.go
new file mode 100644
index 0000000..afda621
--- /dev/null
+++ b/test/uintptrescapes.dir/main.go
@@ -0,0 +1,91 @@
+// 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 main
+
+import (
+ "fmt"
+ "os"
+ "sync"
+ "unsafe"
+
+ "./a"
+)
+
+func F1() int {
+ var buf [1024]int
+ a.F1(uintptr(unsafe.Pointer(&buf[0])))
+ return buf[0]
+}
+
+func F2() int {
+ var buf [1024]int
+ a.F2(uintptr(unsafe.Pointer(&buf[0])))
+ return buf[0]
+}
+
+var t = a.GetT()
+
+func M1() int {
+ var buf [1024]int
+ t.M1(uintptr(unsafe.Pointer(&buf[0])))
+ return buf[0]
+}
+
+func M2() int {
+ var buf [1024]int
+ t.M2(uintptr(unsafe.Pointer(&buf[0])))
+ return buf[0]
+}
+
+func main() {
+ // Use different goroutines to force stack growth.
+ var wg sync.WaitGroup
+ wg.Add(4)
+ c := make(chan bool, 4)
+
+ go func() {
+ defer wg.Done()
+ b := F1()
+ if b != 42 {
+ fmt.Printf("F1: got %d, expected 42\n", b)
+ c <- false
+ }
+ }()
+
+ go func() {
+ defer wg.Done()
+ b := F2()
+ if b != 42 {
+ fmt.Printf("F2: got %d, expected 42\n", b)
+ c <- false
+ }
+ }()
+
+ go func() {
+ defer wg.Done()
+ b := M1()
+ if b != 42 {
+ fmt.Printf("M1: got %d, expected 42\n", b)
+ c <- false
+ }
+ }()
+
+ go func() {
+ defer wg.Done()
+ b := M2()
+ if b != 42 {
+ fmt.Printf("M2: got %d, expected 42\n", b)
+ c <- false
+ }
+ }()
+
+ wg.Wait()
+
+ select {
+ case <-c:
+ os.Exit(1)
+ default:
+ }
+}