# by defining CLANG_VENDOR when building clang itself.
#
# Since we don't want to actually rebuild the Clang toolchain in
# this test, we instead simulate it by injecting a fake "clang"
# binary that runs the real one as a subprocess.

[!cgo] skip
[short] skip 'builds and links a fake clang binary'
[!cc:clang] skip 'test is specific to clang version parsing'

# Save the location of the real clang command for our fake one to use.

import json
import logging
import os
import re
import shutil
import subprocess
from functools import lru_cache
from http.server import HTTPServer, SimpleHTTPRequestHandler
from importlib import metadata
from multiprocessing import Pool
from pathlib import Path
from typing import Any, Dict, List, Optional, Union

import mkdocs.commands.build
import mkdocs.commands.serve
import mkdocs.config
import mkdocs.utils
import typer

		// run.
		//
		// Instead, we'll take a somewhat more roundabout approach: we assume that
		// if "hg" works at all then "hg serve" works too, and we'll execute that as
		// a subprocess, using a reverse proxy to forward the request and response.

		ctx, cancel := context.WithCancel(req.Context())
		defer cancel()

		return []string{"LD_LIBRARY_PATH", "LD_LIBRARY_PATH_32", "LD_LIBRARY_PATH_64"}
	case "windows":
		return []string{"SystemRoot", "COMSPEC", "PATHEXT", "WINDIR"}
	}
	return nil
}()

// Handler runs an executable in a subprocess with a CGI environment.
type Handler struct {
	Path string // path to the CGI executable
	Root string // root URI prefix of handler or empty for "/"

	// Dir specifies the CGI executable's working directory.

                    teminated = true;
                } catch (final Exception e) {
                    if (logger.isInfoEnabled()) {
                        logger.info("Could not kill the subprocess.", e);
                    }
                }
            }
        }

        /**
         * @param finished
         *            The finished to set.
         */

		// that it is the same GOROOT value baked into the binary, and we can't
		// change the value in-process because runtime.GOROOT uses the value from
		// initial (not current) environment. Spawn a subprocess to determine the
		// real baked-in GOROOT.
		t.Logf("found GOROOT %q from environment; checking embedded GOROOT value", envGoroot)
		testenv.MustHaveExec(t)
		exe, err := os.Executable()
		if err != nil {

// using SIGINT, which will be sent to all of the processes in the test's group.
// Unfortunately, TSAN in particular is prone to dropping signals, so the SIGINT
// may terminate the test binary but leave the subprocess running. hangProneCmd
// configures subprocess to receive SIGKILL instead to ensure that it won't
// leak.
func hangProneCmd(name string, arg ...string) *exec.Cmd {
	cmd := exec.Command(name, arg...)
	cmd.SysProcAttr = &syscall.SysProcAttr{

	args += "; echo -n " + exitStr + "$?"

	cmd := adbCmd("exec-out", args)
	cmd.Stdout = filter
	// If the adb subprocess somehow hangs, go test will kill this wrapper
	// and wait for our os.Stderr (and os.Stdout) to close as a result.
	// However, if the os.Stderr (or os.Stdout) file descriptors are
	// passed on, the hanging adb subprocess will hold them open and
	// go test will hang forever.
	//

	}

	cmd := testenv.Command(t, os.Args[0], "-test.run=^"+t.Name()+"$")
	cmd.Env = append(os.Environ(), fmt.Sprintf("%s=%s", dirVar, dir))

	qDone := make(chan struct{})
	waitQ := mustBlock(t, "Edit A and B in subprocess", func() {
		out, err := cmd.CombinedOutput()
		if err != nil {
			t.Errorf("%v:\n%s", err, out)
		}
		close(qDone)
	})

	// Wait until process Q has either failed or locked file B.

)

// TestMain allows this test binary to run as a -toolexec wrapper for the 'go'
// command. If LINK_TEST_TOOLEXEC is set, TestMain runs the binary as if it were
// cmd/link, and otherwise runs the requested tool as a subprocess.
//
// This allows the test to verify the behavior of the current contents of the
// cmd/link package even if the installed cmd/link binary is stale.
func TestMain(m *testing.M) {
	if os.Getenv("LINK_TEST_TOOLEXEC") == "" {