procutils: exec.Cmd setsid only for linux

pkg/util/procutils/cmdsetsid_others.go

@@ -0,0 +1,15 @@
+// +build !windows
+
+package procutils
+
+import (
+	"os/exec"
+	"syscall"
+)
+
+func cmdSetSid(cmd *exec.Cmd) {
+	if cmd.SysProcAttr == nil {
+		cmd.SysProcAttr = &syscall.SysProcAttr{}
+	}
+	cmd.SysProcAttr.Setsid = true
+}

pkg/util/procutils/cmdsetsid_windows.go

@@ -0,0 +1,7 @@
+package procutils
+
+import (
+	"os/exec"
+)
+
+func cmdSetSid(cmd *exec.Cmd) {}

pkg/util/procutils/executor.go

@@ -67,17 +67,13 @@ type defaultExecutor struct{}
 
 func (e *defaultExecutor) Command(name string, args ...string) Cmd {
 	cmd := exec.Command(name, args...)
-	cmd.SysProcAttr = &syscall.SysProcAttr{
-		Setsid: true,
-	}
+	cmdSetSid(cmd)
 	return &defaultCmd{cmd}
 }
 
 func (e *defaultExecutor) CommandContext(ctx context.Context, name string, args ...string) Cmd {
 	cmd := exec.CommandContext(ctx, name, args...)
-	cmd.SysProcAttr = &syscall.SysProcAttr{
-		Setsid: true,
-	}
+	cmdSetSid(cmd)
 	return &defaultCmd{cmd}
 }