t.Skip("skipping test: gcc is missing")
	}

	tmpdir := t.TempDir()

	dir0, err := os.Getwd()
	if err != nil {
		t.Fatal(err)
	}
	defer os.Chdir(dir0)

	const src = `
#include <stdint.h>
#include <windows.h>

uintptr_t cfunc(void) {
   SetLastError(123);
   return 0;
}
`
	srcname := "nojack.c"

http://mail-archives.apache.org/mod_mbox/maven-dev Apache Announce List ******@****.*** ******@****.*** ******@****.*** http://mail-archives.apache.org/mod_mbox/www-announce/ jvanzyl Jason van Zyl ******@****.*** ASF PMC Chair -5 brett Brett Porter ******@****.*** ASF PMC Member +10 evenisse Emmanuel Venisse ******@****.*** ASF PMC Member +1 jdcasey John Casey ******@****.*** ASF PMC Member -5 kenney Kenney Westerhof ******@****.*** Neonics PMC Member +1 trygvis...

  <developers>
    <developer>
      <id>jvanzyl</id>
      <name>Jason van Zyl</name>
      <email>******@****.***</email>
      <organization>ASF</organization>
      <roles>
        <role>PMC Chair</role>
      </roles>
      <timezone>-5</timezone>
    </developer>
    <developer>
      <id>brett</id>
      <name>Brett Porter</name>
      <email>******@****.***</email>
      <organization>ASF</organization>

			getgid() { return -1; },
			geteuid() { return -1; },
			getegid() { return -1; },
			getgroups() { throw enosys(); },
			pid: -1,
			ppid: -1,
			umask() { throw enosys(); },
			cwd() { throw enosys(); },
			chdir() { throw enosys(); },
		}
	}

	if (!globalThis.crypto) {
		throw new Error("globalThis.crypto is not available, polyfill required (crypto.getRandomValues only)");
	}

	if (!globalThis.performance) {

http://mail-archives.apache.org/mod_mbox/maven-dev Apache Announce List ******@****.*** ******@****.*** ******@****.*** http://mail-archives.apache.org/mod_mbox/www-announce/ jvanzyl Jason van Zyl ******@****.*** ASF PMC Chair -5 brett Brett Porter ******@****.*** ASF PMC Member +10 evenisse Emmanuel Venisse ******@****.*** ASF PMC Member +1 jdcasey John Casey ******@****.*** ASF PMC Member -5 kenney Kenney Westerhof ******@****.*** Neonics PMC Member +1 trygvis...

				goto childerror
			}

			r1, _, _ = RawSyscall(SYS_CLOSE, uintptr(envfd), 0, 0)

			if int32(r1) == -1 {
				goto childerror
			}
		}
	}

	// Chdir
	if dir != nil {
		r1, _, _ = RawSyscall(SYS_CHDIR, uintptr(unsafe.Pointer(dir)), 0, 0)
		if int32(r1) == -1 {
			goto childerror
		}
	}

	// Pass 1: look for fd[i] < i and move those up above len(fd)

  <developers>
    <developer>
      <id>jvanzyl</id>
      <name>Jason van Zyl</name>
      <email>******@****.***</email>
      <organization>ASF</organization>
      <roles>
        <role>PMC Chair</role>
      </roles>
      <timezone>-5</timezone>
    </developer>
    <developer>
      <id>brett</id>
      <name>Brett Porter</name>
      <email>******@****.***</email>
      <organization>ASF</organization>

		}

		for _, c = range sys.AmbientCaps {
			_, _, err1 = RawSyscall6(SYS_PRCTL, PR_CAP_AMBIENT, uintptr(PR_CAP_AMBIENT_RAISE), c, 0, 0, 0)
			if err1 != 0 {
				goto childerror
			}
		}
	}

	// Chdir
	if dir != nil {
		_, _, err1 = RawSyscall(SYS_CHDIR, uintptr(unsafe.Pointer(dir)), 0, 0)
		if err1 != 0 {
			goto childerror
		}
	}

	// Parent death signal
	if sys.Pdeathsig != 0 {

	// For now, run the tests in GOPATH mode only.
	os.Setenv("GO111MODULE", "off")

	// Some tests need to edit the source in GOPATH, so copy this directory to a
	// temporary directory and chdir to that.
	gopath := filepath.Join(workDir, "gopath")
	modRoot, err := cloneTestdataModule(gopath)
	if err != nil {
		return 0, err
	}
	if testing.Verbose() {
		fmt.Printf("+ export GOPATH=%s\n", gopath)

	os.Setenv("GOPATH", GOPATH)

	modRoot := filepath.Join(GOPATH, "src", "testcshared")
	if err := cgotest.OverlayDir(modRoot, "testdata"); err != nil {
		log.Panic(err)
	}
	if err := os.Chdir(modRoot); err != nil {
		log.Panic(err)
	}
	os.Setenv("PWD", modRoot)
	if err := os.WriteFile("go.mod", []byte("module testcshared\n"), 0666); err != nil {
		log.Panic(err)
	}

	defer func() {