integrationtests/portnumber.go


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package integrationtests

import "sync"

var portNumberMutex sync.Mutex
var currentPortNumber int = 4241

// Go tests can run concurrently, so we need unique TCP port numbers for
// each test.
func getUniquePortNumber() int {
	portNumberMutex.Lock()
	defer portNumberMutex.Unlock()
	currentPortNumber++
	return currentPortNumber
}