register("TgkillSegvInCgo", TgkillSegvInCgo)
}

func TgkillSegvInCgo() {
	c := make(chan bool)
	go func() {
		close(c)
		for {
			C.nop()
		}
	}()

	<-c

	syscall.Tgkill(syscall.Getpid(), syscall.Gettid(), syscall.SIGSEGV)

	// Wait for the OS to deliver the signal.
	C.pause()

package org.gradle.launcher.daemon.context;

import org.gradle.internal.remote.Address;

/**
 * Data to identify and connect to a daemon.
 */
public interface DaemonConnectDetails {
    String getUid();

    Long getPid();

    Address getAddress();

    byte[] getToken();

//go:cgo_import_dynamic libc_setgid setgid "libc.a/shr_64.o"
//go:cgo_import_dynamic libc_setgroups setgroups "libc.a/shr_64.o"
//go:cgo_import_dynamic libc_setrlimit setrlimit "libc.a/shr_64.o"
//go:cgo_import_dynamic libc_setsid setsid "libc.a/shr_64.o"
//go:cgo_import_dynamic libc_setuid setuid "libc.a/shr_64.o"
//go:cgo_import_dynamic libc_setpgid setpgid "libc.a/shr_64.o"

//go:linkname libc_chdir libc_chdir

	// we can't test that it does anything.
	// Instead we're testing that the conditions are good
	// for how it is used in init (must be on main thread).
	pid, tid = syscall.Getpid(), syscall.Gettid()
	LockOSThread()

	sysNanosleep = func(d time.Duration) {
		// Invoke a blocking syscall directly; calling time.Sleep()
		// would deschedule the goroutine instead.

func forkx(flags uintptr) (pid uintptr, err Errno)
func getpid() (pid uintptr, err Errno)
func ioctl(fd uintptr, req uintptr, arg uintptr) (err Errno)
func setgid(gid uintptr) (err Errno)
func setgroups1(ngid uintptr, gid uintptr) (err Errno)
func setrlimit1(which uintptr, lim unsafe.Pointer) (err Errno)
func setsid() (pid uintptr, err Errno)
func setuid(uid uintptr) (err Errno)
func setpgid(pid uintptr, pgid uintptr) (err Errno)

// Test that setgid does not hang on Linux.
// See https://golang.org/issue/3871 for details.

package cgotest

/*
#include <sys/types.h>
#include <unistd.h>
*/
import "C"

import (
	"os"
	"os/signal"
	"syscall"
	"testing"
	"time"
)

func runTestSetgid() bool {
	c := make(chan bool)
	go func() {
		C.setgid(0)
		c <- true
	}()
	select {
	case <-c:

	// Rewind stack pointer so anything that happens on the stack
	// will clobber the test pattern created by the caller
	ADDU	$(1024*8), R29

	// Ask signaller to setgid
	MOVW	$1, R1
	SYNC
	MOVW	R1, ·Baton(SB)
	SYNC

	// Wait for setgid completion
loop:
	SYNC
	MOVW	·Baton(SB), R1
	OR	R2, R2, R2	// hint that we're in a spin loop
	BNE	R1, loop
	SYNC

	// Restore stack
	ADDU	$(-1024*8), R29

	// Rewind stack pointer so anything that happens on the stack
	// will clobber the test pattern created by the caller
	ADD	$(1024 * 8), R1

	// Ask signaller to setgid
	MOVW	$1, R3
	SYNC
	MOVW	R3, ·Baton(SB)

	// Wait for setgid completion
loop:
	SYNC
	MOVW	·Baton(SB), R3
	CMP	R3, $0
	// Hint that we're in a spin loop
	OR	R1, R1, R1
	BNE	loop
	ISYNC

	// Restore stack

	// Rewind stack pointer so anything that happens on the stack
	// will clobber the test pattern created by the caller
	ADD	$(1024*8), X2

	// Ask signaller to setgid
	MOV	$1, X5
	FENCE
	MOVW	X5, ·Baton(SB)
	FENCE

	// Wait for setgid completion
loop:
	FENCE
	MOVW	·Baton(SB), X5
	OR	X6, X6, X6	// hint that we're in a spin loop
	BNE	ZERO, X5, loop
	FENCE

	// Restore stack
	ADD	$(-1024*8), X2

// Copyright 2022 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.

// Stress test setgid and thread creation. A thread
// can get a SIGSETXID signal early on at thread
// initialization, causing crash. See issue 53374.

package cgotest

/*
#include <sys/types.h>
#include <unistd.h>
*/
import "C"

import (
	"runtime"
	"testing"
)