syscall : add a field to ProcAttr so that StartProcess can hide the executed application on windows
The SW_HIDE parameter looks like the only way for a windows GUI application to execute a CLI subcommand without having a shell windows appearing.
R=brainman, golang-dev, bradfitzgo, rsc1
CC=golang-dev
https://golang.org/cl/4439055
diff --git a/src/pkg/syscall/exec_windows.go b/src/pkg/syscall/exec_windows.go
index ce855f5..85b1c2e 100644
--- a/src/pkg/syscall/exec_windows.go
+++ b/src/pkg/syscall/exec_windows.go
@@ -218,9 +218,10 @@
}
type ProcAttr struct {
- Dir string
- Env []string
- Files []int
+ Dir string
+ Env []string
+ Files []int
+ HideWindow bool
}
var zeroAttributes ProcAttr
@@ -282,6 +283,10 @@
si := new(StartupInfo)
si.Cb = uint32(unsafe.Sizeof(*si))
si.Flags = STARTF_USESTDHANDLES
+ if attr.HideWindow {
+ si.Flags |= STARTF_USESHOWWINDOW
+ si.ShowWindow = SW_HIDE
+ }
si.StdInput = fd[0]
si.StdOutput = fd[1]
si.StdErr = fd[2]
