// 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 plan9 && race

package plan9

import (
	"runtime"
	"unsafe"
)

const raceenabled = true

func raceAcquire(addr unsafe.Pointer) {
	runtime.RaceAcquire(addr)
}

func raceReleaseMerge(addr unsafe.Pointer) {
	runtime.RaceReleaseMerge(addr)
}

// 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 windows && race

package windows

import (
	"runtime"
	"unsafe"
)

const raceenabled = true

func raceAcquire(addr unsafe.Pointer) {
	runtime.RaceAcquire(addr)
}

func raceReleaseMerge(addr unsafe.Pointer) {
	runtime.RaceReleaseMerge(addr)
}

# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.

# race.bash tests the standard library under the race detector.
# https://golang.org/doc/articles/race_detector.html

set -e

function usage {

goto fail
L23:call .\env.bat
L24:del env.bat
L25:
L26:if %GOHOSTARCH% == amd64 goto continue
L27:echo Race detector is only supported on windows/amd64.
L28:goto fail
L29:
L30::continue
L31:call .\make.bat --no-banner --no-local
L32:if %GOBUILDFAIL%==1 goto end
L33:echo # go install -race std
L34:go install -race std
L35:if errorlevel 1 goto fail
L36:
L37:go tool dist test -race
L38:
L39:if errorlevel 1 goto fail
L40:goto succ
L41:
L42::fail
L43:set GOBUILDFAIL=1
L44:echo Fail.
...

// 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.

		}
		// result is constant - no need to record signature

	case _Trace:
		// trace(x, y, z, ...) dumps the positions, expressions, and
		// values of its arguments. The result of trace is the value
		// of the first argument.
		// Note: trace is only available in self-test mode.
		// (no argument evaluated yet)
		if nargs == 0 {
			check.dump("%v: trace() without arguments", call.Pos())
			x.mode = novalue
			break
		}

	if check.conf._Trace {
		check.trace(e0.Pos(), "-- type %s", e0)
		check.indent++
		defer func() {
			check.indent--
			var under Type
			if T != nil {
				// Calling under() here may lead to endless instantiations.
				// Test case: type T[P any] *T[P]
				under = safeUnderlying(T)
			}
			if T == under {
				check.trace(e0.Pos(), "=> %s // %s", T, goTypeName(T))
			} else {

		"region0":              {trace.EventRegionBegin, trace.EventRegionEnd},
		"region1":              {trace.EventRegionBegin, trace.EventRegionEnd},
		"unended region":       {trace.EventRegionBegin, trace.EventStateTransition},
		"post-existing region": {trace.EventRegionBegin, trace.EventBad},
	}
	for _, summary := range summaries {
		basicGoroutineSummaryChecks(t, summary)

package main

import (
	"internal/trace"
)

var _ generator = &goroutineGenerator{}

type goroutineGenerator struct {
	globalRangeGenerator
	globalMetricGenerator
	stackSampleGenerator[trace.GoID]
	logEventGenerator[trace.GoID]

	gStates map[trace.GoID]*gState[trace.GoID]
	focus   trace.GoID
	filter  map[trace.GoID]struct{}
}

			{trace.EventTaskBegin, trace.TaskID(1), []string{"task0"}},
			{trace.EventRegionBegin, trace.TaskID(1), []string{"region0"}},
			{trace.EventRegionBegin, trace.TaskID(1), []string{"region1"}},
			{trace.EventLog, trace.TaskID(1), []string{"key0", "0123456789abcdef"}},
			{trace.EventRegionEnd, trace.TaskID(1), []string{"region1"}},
			{trace.EventRegionEnd, trace.TaskID(1), []string{"region0"}},
			{trace.EventTaskEnd, trace.TaskID(1), []string{"task0"}},