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Diffstat (limited to 'src/runtime/testdata/testprog/syscall_windows.go')
-rw-r--r--src/runtime/testdata/testprog/syscall_windows.go70
1 files changed, 70 insertions, 0 deletions
diff --git a/src/runtime/testdata/testprog/syscall_windows.go b/src/runtime/testdata/testprog/syscall_windows.go
new file mode 100644
index 0000000..b4b6644
--- /dev/null
+++ b/src/runtime/testdata/testprog/syscall_windows.go
@@ -0,0 +1,70 @@
+// 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.
+
+package main
+
+import (
+ "internal/syscall/windows"
+ "runtime"
+ "sync"
+ "syscall"
+ "unsafe"
+)
+
+func init() {
+ register("RaiseException", RaiseException)
+ register("ZeroDivisionException", ZeroDivisionException)
+ register("StackMemory", StackMemory)
+}
+
+func RaiseException() {
+ const EXCEPTION_NONCONTINUABLE = 1
+ mod := syscall.MustLoadDLL("kernel32.dll")
+ proc := mod.MustFindProc("RaiseException")
+ proc.Call(0xbad, EXCEPTION_NONCONTINUABLE, 0, 0)
+ println("RaiseException should not return")
+}
+
+func ZeroDivisionException() {
+ x := 1
+ y := 0
+ z := x / y
+ println(z)
+}
+
+func getPagefileUsage() (uintptr, error) {
+ p, err := syscall.GetCurrentProcess()
+ if err != nil {
+ return 0, err
+ }
+ var m windows.PROCESS_MEMORY_COUNTERS
+ err = windows.GetProcessMemoryInfo(p, &m, uint32(unsafe.Sizeof(m)))
+ if err != nil {
+ return 0, err
+ }
+ return m.PagefileUsage, nil
+}
+
+func StackMemory() {
+ mem1, err := getPagefileUsage()
+ if err != nil {
+ panic(err)
+ }
+ const threadCount = 100
+ var wg sync.WaitGroup
+ for i := 0; i < threadCount; i++ {
+ wg.Add(1)
+ go func() {
+ runtime.LockOSThread()
+ wg.Done()
+ select {}
+ }()
+ }
+ wg.Wait()
+ mem2, err := getPagefileUsage()
+ if err != nil {
+ panic(err)
+ }
+ print((mem2 - mem1) / threadCount)
+}