1 // Copyright 2015 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 package main 6 7 import ( 8 _ "p" 9 "syscall" 10 "time" 11 ) 12 13 import "C" 14 15 var initCh = make(chan int, 1) 16 var ranMain bool 17 18 func init() { 19 // emulate an exceedingly slow package initialization function 20 time.Sleep(100 * time.Millisecond) 21 initCh <- 42 22 } 23 24 func main() { 25 ranMain = true 26 } 27 28 //export DidInitRun 29 func DidInitRun() bool { 30 select { 31 case x := <-initCh: 32 if x != 42 { 33 // Just in case initCh was not correctly made. 34 println("want init value of 42, got: ", x) 35 syscall.Exit(2) 36 } 37 return true 38 default: 39 return false 40 } 41 } 42 43 //export DidMainRun 44 func DidMainRun() bool { 45 return ranMain 46 } 47
