feat: create standalone native fnOS repository

app-src/internal/nginx/pid_other.go

@@ -0,0 +1,25 @@
+//go:build !linux && !darwin && !freebsd && !windows
+
+package nginx
+
+import (
+	"fmt"
+	"os"
+	"syscall"
+)
+
+func reloadProcess(pid int) error {
+	return fmt.Errorf("signal reload unsupported")
+}
+
+func terminateProcess(pid int, sig syscall.Signal) error {
+	return fmt.Errorf("signal terminate unsupported")
+}
+
+func isPIDAlive(pid int) bool {
+	proc, err := os.FindProcess(pid)
+	if err != nil {
+		return false
+	}
+	return proc.Signal(syscall.Signal(0)) == nil
+}