misc/cgo: move easy tests to cmd/cgo/internal

[gostls13.git] / misc / cgo / stdio / testdata / fib.go

diff --git a/misc/cgo/stdio/testdata/fib.go b/misc/cgo/stdio/testdata/fib.go
deleted file mode 100644 (file)
index 9617368..0000000
--- a/misc/cgo/stdio/testdata/fib.go
+++ /dev/null
@@ -1,50 +0,0 @@
-// Copyright 2009 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.
-
-//go:build test_run
-
-// Compute Fibonacci numbers with two goroutines
-// that pass integers back and forth.  No actual
-// concurrency, just threads and synchronization
-// and foreign code on multiple pthreads.
-
-package main
-
-import (
-       "runtime"
-       "strconv"
-
-       "cgostdio/stdio"
-)
-
-func fibber(c, out chan int64, i int64) {
-       // Keep the fibbers in dedicated operating system
-       // threads, so that this program tests coordination
-       // between pthreads and not just goroutines.
-       runtime.LockOSThread()
-
-       if i == 0 {
-               c <- i
-       }
-       for {
-               j := <-c
-               stdio.Stdout.WriteString(strconv.FormatInt(j, 10) + "\n")
-               out <- j
-               <-out
-               i += j
-               c <- i
-       }
-}
-
-func main() {
-       c := make(chan int64)
-       out := make(chan int64)
-       go fibber(c, out, 0)
-       go fibber(c, out, 1)
-       <-out
-       for i := 0; i < 90; i++ {
-               out <- 1
-               <-out
-       }
-}