go/misc/cgo/testcarchive/testdata/libgo/libgo.go

// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package main

import (
	"fmt"
	"os"
	"syscall"
	"time"

	_ "testcarchive/p"
)

import "C"

var initCh = make(chan int, 1)
var ranMain bool

func init() {
	// emulate an exceedingly slow package initialization function
	time.Sleep(100 * time.Millisecond)
	initCh <- 42
}

func main() { ranMain = true }

//export DidInitRun
func DidInitRun() bool {
	select {
	case x := <-initCh:
		if x != 42 {
			// Just in case initCh was not correctly made.
			println("want init value of 42, got: ", x)
			syscall.Exit(2)
		}
		return true
	default:
		return false
	}
}

//export DidMainRun
func DidMainRun() bool { return ranMain }

//export CheckArgs
func CheckArgs() {
	if len(os.Args) != 3 || os.Args[1] != "arg1" || os.Args[2] != "arg2" {
		fmt.Printf("CheckArgs: want [_, arg1, arg2], got: %v\n", os.Args)
		os.Exit(2)
	}
}