import (
	"internal/abi"
	"internal/goarch"
	"unsafe"
)

// cbs stores all registered Go callbacks.
var cbs struct {
	lock  mutex // use cbsLock / cbsUnlock for race instrumentation.
	ctxt  [cb_max]winCallback
	index map[winCallbackKey]int
	n     int
}

func cbsLock() {
	lock(&cbs.lock)
	// compileCallback is used by goenvs prior to completion of schedinit.