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Diffstat (limited to 'src/runtime/race/race.go')
| -rw-r--r-- | src/runtime/race/race.go | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/runtime/race/race.go b/src/runtime/race/race.go new file mode 100644 index 0000000..9c508eb --- /dev/null +++ b/src/runtime/race/race.go @@ -0,0 +1,20 @@ +// Copyright 2012 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 race && ((linux && (amd64 || arm64 || ppc64le || s390x)) || ((freebsd || netbsd || openbsd || windows) && amd64)) + +package race + +// This file merely ensures that we link in runtime/cgo in race build, +// this in turn ensures that runtime uses pthread_create to create threads. +// The prebuilt race runtime lives in race_GOOS_GOARCH.syso. +// Calls to the runtime are done directly from src/runtime/race.go. + +// On darwin we always use system DLLs to create threads, +// so we use race_darwin_$GOARCH.go to provide the syso-derived +// symbol information without needing to invoke cgo. +// This allows -race to be used on Mac systems without a C toolchain. + +// void __race_unused_func(void); +import "C" |