Platform-Specific Code

Build Tags

Platform-specific code uses Go build tags:

//go:build darwin
// +build darwin

package service

Files by Platform

File Pattern	Platforms
*_darwin.go	macOS (amd64, arm64)
*_linux.go	Linux (amd64)
*_windows.go	Windows (amd64)

Platform Differences

Feature	Windows	Linux	macOS
Service manager	SCM (sc.exe)	systemd	launchd (plist)
System info	WMI/native	/proc, /etc	sysctl, vm_stat
Binary update	temp file + rename	atomic rename	atomic rename
Code signing	Authenticode	None	Ad-hoc (rcodesign)
File permissions	ACLs via icacls	Unix permissions	Unix permissions

CGO

CGO is disabled for all builds to produce static, cross-platform binaries:

CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build ./...