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Diffstat (limited to 'gcc/testsuite/go.test/test/mallocfin.go')
-rw-r--r-- | gcc/testsuite/go.test/test/mallocfin.go | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/gcc/testsuite/go.test/test/mallocfin.go b/gcc/testsuite/go.test/test/mallocfin.go new file mode 100644 index 00000000000..dc6d74bad68 --- /dev/null +++ b/gcc/testsuite/go.test/test/mallocfin.go @@ -0,0 +1,67 @@ +// $G $D/$F.go && $L $F.$A && ./$A.out + +// 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. + +// trivial finalizer test + +package main + +import ( + "runtime" + "time" +) + +const N = 250 + +type A struct { + b *B + n int +} + +type B struct { + n int +} + +var i int +var nfinal int +var final [N]int + +// the unused return is to test finalizers with return values +func finalA(a *A) (unused [N]int) { + if final[a.n] != 0 { + println("finalA", a.n, final[a.n]) + panic("fail") + } + final[a.n] = 1 + return +} + +func finalB(b *B) { + if final[b.n] != 1 { + println("finalB", b.n, final[b.n]) + panic("fail") + } + final[b.n] = 2 + nfinal++ +} + +func main() { + runtime.GOMAXPROCS(4) + for i = 0; i < N; i++ { + b := &B{i} + a := &A{b, i} + runtime.SetFinalizer(b, finalB) + runtime.SetFinalizer(a, finalA) + } + for i := 0; i < N; i++ { + runtime.GC() + runtime.Gosched() + time.Sleep(1e6) + } + if nfinal < N*8/10 { + println("not enough finalizing:", nfinal, "/", N) + panic("fail") + } +} |