pkg syscall (windows-386), func SyscallN(uintptr, ...uintptr) (uintptr, uintptr, Errno)
pkg syscall (windows-amd64), func Syscall //deprecated
pkg syscall (windows-amd64), func Syscall12 //deprecated
pkg syscall (windows-amd64), func Syscall15 //deprecated
pkg syscall (windows-amd64), func Syscall18 //deprecated
pkg syscall (windows-amd64), func Syscall6 //deprecated
pkg syscall (windows-amd64), func Syscall9 //deprecated

pkg syscall (freebsd-amd64), const SYS_FSTATAT = 552 #53280
pkg syscall (freebsd-amd64), const SYS_FSTATFS = 556 #53280
pkg syscall (freebsd-amd64), const SYS_GETDIRENTRIES = 554 #53280
pkg syscall (freebsd-amd64), const SYS_GETFSSTAT = 557 #53280
pkg syscall (freebsd-amd64), const SYS_MKNODAT = 559 #53280
pkg syscall (freebsd-amd64), const SYS_STATFS = 555 #53280
pkg syscall (freebsd-arm-cgo), const SYS_FSTAT = 551 #53280

pkg syscall (darwin-386), const B115200 ideal-int
pkg syscall (darwin-386), const B1200 = 1200
pkg syscall (darwin-386), const B1200 ideal-int
pkg syscall (darwin-386), const B134 = 134
pkg syscall (darwin-386), const B134 ideal-int
pkg syscall (darwin-386), const B14400 = 14400
pkg syscall (darwin-386), const B14400 ideal-int
pkg syscall (darwin-386), const B150 = 150
pkg syscall (darwin-386), const B150 ideal-int

		fallthrough
	case syscall.O_WRONLY | syscall.O_CREAT:
		access = syscall.GENERIC_READ | syscall.GENERIC_WRITE
	case syscall.O_WRONLY | syscall.O_CREAT | syscall.O_APPEND:
		access = syscall.FILE_APPEND_DATA
	default:
		return nil, fmt.Errorf("Unsupported flag (%d)", flag)
	}

	var createflag uint32
	switch {
	case flag&syscall.O_CREAT == syscall.O_CREAT:
		createflag = syscall.OPEN_ALWAYS
	default:

pkg syscall (freebsd-386), func Pipe2([]int, int) error
pkg syscall (freebsd-386), type Credential struct, NoSetGroups bool
pkg syscall (freebsd-amd64-cgo), func Pipe2([]int, int) error
pkg syscall (freebsd-amd64-cgo), type Credential struct, NoSetGroups bool
pkg syscall (freebsd-amd64), func Pipe2([]int, int) error
pkg syscall (freebsd-amd64), type Credential struct, NoSetGroups bool
pkg syscall (freebsd-arm-cgo), func Pipe2([]int, int) error

		fallthrough
	case syscall.O_RDWR | syscall.O_CREAT:
		lockType |= syscall.LOCK_EX
	default:
		return nil, &os.PathError{
			Op:   "open",
			Path: path,
			Err:  syscall.EINVAL,
		}
	}

	f, err := os.OpenFile(path, flag|syscall.O_SYNC, perm)
	if err != nil {
		return nil, err
	}

	if err = syscall.Flock(int(f.Fd()), lockType); err != nil {
		f.Close()
		if err == syscall.EWOULDBLOCK {
			err = ErrAlreadyLocked

package cmd

import (
	"errors"
	"os"
	"runtime"
	"syscall"
)

// No space left on device error
func isSysErrNoSpace(err error) bool {
	return errors.Is(err, syscall.ENOSPC)
}

// Invalid argument, unsupported flags such as O_DIRECT
func isSysErrInvalidArg(err error) bool {
	return errors.Is(err, syscall.EINVAL)
}

// Input/output error
func isSysErrIO(err error) bool {

pkg syscall (freebsd-arm), const BIOCGRTIMEOUT = 1074545262
pkg syscall (freebsd-arm), const BIOCSRTIMEOUT = 2148287085
pkg syscall (freebsd-arm), const ELAST = 94
pkg syscall (freebsd-arm), const ImplementsGetwd = false
pkg syscall (freebsd-arm), const O_CLOEXEC = 0
pkg syscall (freebsd-arm), const SIOCAIFADDR = 2151967019
pkg syscall (freebsd-arm), const SIOCGIFSTATUS = 3274991931

package lock

import (
	"os"
	"syscall"
)

// lockedOpenFile is an internal function.
func lockedOpenFile(path string, flag int, perm os.FileMode, rlockType int) (*LockedFile, error) {
	var lockType int16
	switch flag {
	case syscall.O_RDONLY:
		lockType = syscall.F_RDLCK
	case syscall.O_WRONLY:
		fallthrough
	case syscall.O_RDWR:
		fallthrough
	case syscall.O_WRONLY | syscall.O_CREAT:
		fallthrough

	globAllP, err := syscall.UTF16PtrFromString(globAll)
	if err != nil {
		return nil, errInvalidArgument
	}
	data := &syscall.Win32finddata{}
	handle, err := syscall.FindFirstFile(globAllP, data)
	if err != nil {
		return nil, syscallErrToFileErr(dirPath, err)
	}

	defer syscall.FindClose(handle)

	count := opts.count
	for ; count != 0; err = syscall.FindNextFile(handle, data) {