From 6e480e189d1b66bbc80000a8bd4eeda19211ddf8 Mon Sep 17 00:00:00 2001
From: sago35 <sago35@gmail.com>
Date: Mon, 1 Mar 2021 08:13:47 +0900
Subject: [PATCH] gdb: support daemonization on windows

---
 go.mod          | 1 +
 util_windows.go | 9 +++++++--
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/go.mod b/go.mod
index 472784d6..54fdd87c 100644
--- a/go.mod
+++ b/go.mod
@@ -9,6 +9,7 @@ require (
 	github.com/google/shlex v0.0.0-20181106134648-c34317bd91bf
 	github.com/marcinbor85/gohex v0.0.0-20200531091804-343a4b548892
 	go.bug.st/serial v1.1.2
+	golang.org/x/sys v0.0.0-20210113181707-4bcb84eeeb78
 	golang.org/x/tools v0.0.0-20200216192241-b320d3a0f5a2
 	tinygo.org/x/go-llvm v0.0.0-20210206225315-7fe719483a0f
 )
diff --git a/util_windows.go b/util_windows.go
index 848c7b1f..51cc3e4e 100644
--- a/util_windows.go
+++ b/util_windows.go
@@ -4,10 +4,15 @@ package main
 
 import (
 	"os/exec"
+	"syscall"
+
+	"golang.org/x/sys/windows"
 )
 
 // setCommandAsDaemon makes sure this command does not receive signals sent to
-// the parent. It is unimplemented on Windows.
+// the parent.
 func setCommandAsDaemon(daemon *exec.Cmd) {
-	// Not implemented.
+	daemon.SysProcAttr = &syscall.SysProcAttr{
+		CreationFlags: windows.DETACHED_PROCESS,
+	}
 }