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

//go:build race

package runtime

import (
	"internal/abi"
	"unsafe"
)

// Public race detection API, present iff build with -race.

func RaceRead(addr unsafe.Pointer)
func RaceWrite(addr unsafe.Pointer)
func RaceReadRange(addr unsafe.Pointer, len int)

// to) trigger compiler data races, so they will be exercised on
// the racecompile builder.
//
// This package is not imported so functions here are not included
// in the actual compiler.

// Issue 55357: data race when building multiple instantiations of
// generic closures with _ parameters.
func Issue55357() {
	type U struct {
		A int
		B string
		C string
	}
	var q T55357[U]
	q.Count()
	q.List()

// 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)
}

// 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.

	SYS_GETUID                   = 24  // { uid_t getuid(void); }
	SYS_GETEUID                  = 25  // { uid_t geteuid(void); }
	SYS_PTRACE                   = 26  // { int ptrace(int req, pid_t pid, \
	SYS_RECVMSG                  = 27  // { int recvmsg(int s, struct msghdr *msg, \
	SYS_SENDMSG                  = 28  // { int sendmsg(int s, struct msghdr *msg, \

			t.Run("subsub1", func(t *testing.T) {
				t.Parallel()
				doRace()
				c1 <- true
			})
			t.Run("subsub2", func(t *testing.T) {
				t.Parallel()
				doRace()
				<-c1
			})
		})
		doRace()
		return
	}

	out := runTest(t, "TestRaceSubReports")

	// There should be three race reports: one for each subtest, and one for the
	// race after the subtests complete. Note that because the subtests run in

	goarch := os.Getenv("GOARCH")
	goos := os.Getenv("GOOS")
	switch {
	case goarch == "s390x" && goos == "linux":
		// Export the types of PtraceRegs fields.
		re := regexp.MustCompile("ptrace(Psw|Fpregs|Per)")
		s = re.ReplaceAllString(s, "Ptrace$1")

		// Replace padding fields inserted by cgo with blank identifiers.
		re = regexp.MustCompile("Pad_cgo[A-Za-z0-9_]*")
		s = re.ReplaceAllString(s, "_")

// Copyright 2020 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 ios

package unix

func ptrace(request int, pid int, addr uintptr, data uintptr) (err error) {
	return ENOTSUP

// Copyright 2020 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 darwin && !ios

package unix

func ptrace(request int, pid int, addr uintptr, data uintptr) error {
	return ptrace1(request, pid, addr, data)