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Diffstat (limited to 'src/runtime/norace_linux_test.go')
-rw-r--r-- | src/runtime/norace_linux_test.go | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/src/runtime/norace_linux_test.go b/src/runtime/norace_linux_test.go new file mode 100644 index 0000000..3521b24 --- /dev/null +++ b/src/runtime/norace_linux_test.go @@ -0,0 +1,43 @@ +// Copyright 2015 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. + +// The file contains tests that cannot run under race detector for some reason. +// +//go:build !race + +package runtime_test + +import ( + "internal/abi" + "runtime" + "testing" + "time" + "unsafe" +) + +var newOSProcDone bool + +//go:nosplit +func newOSProcCreated() { + newOSProcDone = true +} + +// Can't be run with -race because it inserts calls into newOSProcCreated() +// that require a valid G/M. +func TestNewOSProc0(t *testing.T) { + runtime.NewOSProc0(0x800000, unsafe.Pointer(abi.FuncPCABIInternal(newOSProcCreated))) + check := time.NewTicker(100 * time.Millisecond) + defer check.Stop() + end := time.After(5 * time.Second) + for { + select { + case <-check.C: + if newOSProcDone { + return + } + case <-end: + t.Fatalf("couldn't create new OS process") + } + } +} |