oragono/vendor/github.com/prometheus/client_golang/prometheus/get_pid.go

// Copyright 2015 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

//go:build !js || wasm
// +build !js wasm

package prometheus

import "os"

func getPIDFn() func() (int, error) {
	pid := os.Getpid()
	return func() (int, error) {
		return pid, nil
	}
}