//go:cgo_import_dynamic exit exit ""
//go:cgo_import_dynamic fstat$INODE64 fstat$INODE64 ""
//go:cgo_import_dynamic ftruncate ftruncate ""
//go:cgo_import_dynamic getpid getpid ""
//go:cgo_import_dynamic getrlimit getrlimit ""
//go:cgo_import_dynamic gettimeofday gettimeofday ""
//go:cgo_import_dynamic getuid getuid ""
//go:cgo_import_dynamic grantpt grantpt ""
//go:cgo_import_dynamic ioctl ioctl ""
//go:cgo_import_dynamic isatty isatty ""

//go:cgo_import_dynamic exit exit ""
//go:cgo_import_dynamic fstat fstat ""
//go:cgo_import_dynamic ftruncate ftruncate ""
//go:cgo_import_dynamic getpid getpid ""
//go:cgo_import_dynamic getrlimit getrlimit ""
//go:cgo_import_dynamic gettimeofday gettimeofday ""
//go:cgo_import_dynamic getuid getuid ""
//go:cgo_import_dynamic grantpt grantpt ""
//go:cgo_import_dynamic ioctl ioctl ""
//go:cgo_import_dynamic isatty isatty ""

	atomic.StoreInt32(&issue9400.Baton, 0)
	go func() {
		// Wait for RewindAndSetgid
		for atomic.LoadInt32(&issue9400.Baton) == 0 {
			runtime.Gosched()
		}
		// Broadcast SIGSETXID
		runtime.LockOSThread()
		C.setgid(0)
		// Indicate that signalling is done
		atomic.StoreInt32(&issue9400.Baton, 0)
	}()

	// Grow the stack and put down a test pattern
	const pattern = 0x123456789abcdef

  } else                           \
    x->retval = ret

void
_cgo_libc_setegid(argset_t* x) {
	SET_RETVAL(setegid((gid_t) x->args[0]));
}

void
_cgo_libc_seteuid(argset_t* x) {
	SET_RETVAL(seteuid((uid_t) x->args[0]));
}

void
_cgo_libc_setgid(argset_t* x) {
	SET_RETVAL(setgid((gid_t) x->args[0]));
}

void
_cgo_libc_setgroups(argset_t* x) {

                    if (status != null) {
                        statuses.add(status);
                    } else { // Handle failure
                        statuses.add(new Status(connection.getDaemon().getPid(), "UNKNOWN", "UNKNOWN"));
                    }
                } finally {
                    connection.stop();
                }
            }
        }

}

func TgkillSegv() {
	c := make(chan bool)
	go func() {
		close(c)
		for i := 0; ; i++ {
			// Sum defined in segv.go.
			Sum += i
		}
	}()

	<-c

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

	// Wait for the OS to deliver the signal.
	select {}

)

const (
	rwMask   = os.FileMode(0660)
	roMask   = os.FileMode(0440)
	execMask = os.FileMode(0110)
)

// SetVolumeOwnership modifies the given volume to be owned by
// fsGroup, and sets SetGid so that newly created files are owned by
// fsGroup. If fsGroup is nil nothing is done.

// license that can be found in the LICENSE file.

package main

import (
	"bytes"
	"fmt"
	"internal/testenv"
	"io"
	"os"
	"syscall"
)

func gettid() int {
	return syscall.Gettid()
}

func tidExists(tid int) (exists, supported bool, err error) {
	// Open the magic proc status file for reading with the syscall package.
	// We want to identify certain valid errors very precisely.

#cgo CFLAGS: -g -fsanitize=thread
#cgo LDFLAGS: -g -fsanitize=thread
*/
import "C"

func main() {
	c := make(chan os.Signal, 1)
	signal.Notify(c, syscall.SIGUSR1)
	defer signal.Stop(c)
	syscall.Kill(syscall.Getpid(), syscall.SIGUSR1)
	<-c

package main

import "os"

// Too small to trigger deadcode (currently)
var small = map[string]int{"foo": 1}

// Has side effects, which prevent deadcode
var effect = map[string]int{"foo": os.Getpid()}

// Large and side-effect free
var large = map[string]int{
	"11": 1, "12": 2, "13": 3, "14": 4, "15": 5, "16": 6, "17": 7, "18": 8, "19": 9, "110": 10,
	"21": 1, "22": 2, "23": 3, "24": 4, "25": 5, "26": 6, "27": 7, "28": 8, "29": 9, "210": 10,