GOARCH=amd64 cgo -cdefs defs.go defs1.go >amd64/defs.h
*/

package runtime

/*
#include <ucontext.h>
#include <fcntl.h>
#include <asm/signal.h>
*/
import "C"

const (
	O_RDONLY    = C.O_RDONLY
	O_NONBLOCK  = C.O_NONBLOCK
	O_CLOEXEC   = C.O_CLOEXEC
	SA_RESTORER = C.SA_RESTORER
)

type Usigset C.__sigset_t
type Fpxreg C.struct__libc_fpxreg
type Xmmreg C.struct__libc_xmmreg

#define	_SYS_TYPES_H	// avoid inclusion of sys/types.h
#include <asm/ucontext.h>
#include <asm-generic/fcntl.h>
*/
import "C"

const (
	O_RDONLY    = C.O_RDONLY
	O_CLOEXEC   = C.O_CLOEXEC
	SA_RESTORER = 0 // unused
)

type Usigset C.__sigset_t

// types used in sigcontext
type Ptregs C.struct_pt_regs
type Gregset C.elf_gregset_t

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

//go:build !go1.5

package plan9

func fixwd() {
}

func Getwd() (wd string, err error) {
	fd, err := open(".", O_RDONLY)
	if err != nil {
		return "", err
	}
	defer Close(fd)
	return Fd2path(fd)
}

func Chdir(path string) error {
	return chdir(path)

	BUS_OBJERR = C.BUS_OBJERR

	SEGV_MAPERR = C.SEGV_MAPERR
	SEGV_ACCERR = C.SEGV_ACCERR

	ITIMER_REAL    = C.ITIMER_REAL
	ITIMER_VIRTUAL = C.ITIMER_VIRTUAL
	ITIMER_PROF    = C.ITIMER_PROF

	O_RDONLY  = C.O_RDONLY
	O_CLOEXEC = C.O_CLOEXEC
)

type Fpreg C.struct__fpreg
type Fpxreg C.struct__fpxreg
type Xmmreg C.struct__xmmreg
type Fpstate C.struct__fpstate
type Timespec C.struct_timespec

package plan9

// Plan 9 Constants

// Open modes
const (
	O_RDONLY  = 0
	O_WRONLY  = 1
	O_RDWR    = 2
	O_TRUNC   = 16
	O_CLOEXEC = 32
	O_EXCL    = 0x1000
)

// Rfork flags
const (
	RFNAMEG  = 1 << 0
	RFENVG   = 1 << 1
	RFFDG    = 1 << 2
	RFNOTEG  = 1 << 3
	RFPROC   = 1 << 4
	RFMEM    = 1 << 5
	RFNOWAIT = 1 << 6
	RFCNAMEG = 1 << 10
	RFCENVG  = 1 << 11
	RFCFDG   = 1 << 12
	RFREND   = 1 << 13

		err := os.WriteFile(filepath.Join(d, name), nil, 0644)
		if err != nil {
			t.Fatalf("writefile: %v", err)
		}
	}

	names := make([]string, 0, 10)

	fd, err := syscall.Open(d, syscall.O_RDONLY, 0)
	if err != nil {
		t.Fatalf("syscall.open: %v", err)
	}
	defer syscall.Close(fd)

	buf := bytes.Repeat([]byte{0xCD}, direntBufSize)
	for {
		n, err := syscall.ReadDirent(fd, buf)

//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package ioutil

import (
	"os"
)

		roots = append(roots, goroot+"/lib/time")
	}
	wd, err := syscall.Getwd()
	if err == nil {
		roots = append(roots, wd)
	}
	for _, r := range roots {
		var st syscall.Stat_t
		fd, err := syscall.Open(r, syscall.O_RDONLY, 0)
		if err != nil {
			continue
		}
		defer syscall.Close(fd)
		if err := syscall.Fstat(fd, &st); err == nil {
			return r + "/zoneinfo.zip", true
		}
	}
	return "", false
}

func initLocal() {

package time

import (
	"errors"
	"syscall"
)

// for testing: whatever interrupts a sleep
func interrupt() {
}

func open(name string) (uintptr, error) {
	fd, err := syscall.Open(name, syscall.O_RDONLY, 0)
	if err != nil {
		// This condition solves issue https://go.dev/issue/50248
		if err == syscall.ERROR_PATH_NOT_FOUND {
			err = syscall.ENOENT
		}
		return 0, err
	}
	return uintptr(fd), nil
}

	name := filepath.Join(dir, "pack.a")
	ar := openArchive(name, os.O_RDWR|os.O_CREATE, nil)
	// Add an entry by hand.
	ar.addFile(helloFile.Reset())
	ar.a.File().Close()
	// Now check it.
	ar = openArchive(name, os.O_RDONLY, []string{helloFile.name})
	var buf strings.Builder
	stdout = &buf
	verbose = true
	defer func() {
		stdout = os.Stdout
		verbose = false
	}()
	ar.scan(ar.printContents)
	ar.a.File().Close()