import (
	"context"
	"fmt"
	"log"
	"os"
	"runtime/trace"
)

func init() {
	register("Trace", Trace)
}

// Trace is used by TestTraceUnwindCGO.
func Trace() {
	file, err := os.CreateTemp("", "testprogcgo_trace")
	if err != nil {
		log.Fatalf("failed to create temp file: %s", err)
	}
	defer file.Close()

	if err := trace.Start(file); err != nil {
		log.Fatal(err)
	}
	defer trace.Stop()

	goCalledFromGo()