}
	asmcgocall(unsafe.Pointer(&asmsysvicall6x), unsafe.Pointer(&call))
	return call.err
}

// like close, but must not split stack, for forkx.
//
//go:nosplit
//go:linkname syscall_close
func syscall_close(fd int32) int32 {
	return int32(sysvicall1(&libc_close, uintptr(fd)))
}

const _F_DUP2FD = 0x9

//go:nosplit
//go:linkname syscall_dup2
func syscall_dup2(oldfd, newfd uintptr) (val, err uintptr) {

//go:nosplit
func syscall_chroot1(path uintptr) (err uintptr) {
	_, err = syscall1(&libc_chroot, path)
	return
}

// like close, but must not split stack, for fork.
//
//go:linkname syscall_closeFD syscall.closeFD
//go:nosplit
func syscall_closeFD(fd int32) int32 {
	_, err := syscall1(&libc_close, uintptr(fd))
	return int32(err)
}

//go:linkname syscall_dup2child syscall.dup2child
//go:nosplit

	Lwpid        int32
	Event        int32
	Flags        int32
	Sigmask      Sigset_t
	Siglist      Sigset_t
	Siginfo      __PtraceSiginfo
	Tdname       [20]int8
	Child_pid    int32
	Syscall_code uint32
	Syscall_narg uint32
}

type __Siginfo struct {
	Signo  int32
	Errno  int32
	Code   int32
	Pid    int32
	Uid    uint32
	Status int32
	Addr   *byte
	Value  [8]byte

	Lwpid        int32
	Event        int32
	Flags        int32
	Sigmask      Sigset_t
	Siglist      Sigset_t
	Siginfo      __PtraceSiginfo
	Tdname       [20]int8
	Child_pid    int32
	Syscall_code uint32
	Syscall_narg uint32
}

type __Siginfo struct {
	Signo  int32
	Errno  int32
	Code   int32
	Pid    int32
	Uid    uint32
	Status int32
	Addr   *byte
	Value  [4]byte

	Lwpid        int32
	Event        int32
	Flags        int32
	Sigmask      Sigset_t
	Siglist      Sigset_t
	Siginfo      __PtraceSiginfo
	Tdname       [20]int8
	Child_pid    int32
	Syscall_code uint32
	Syscall_narg uint32
}

type __Siginfo struct {
	Signo  int32
	Errno  int32
	Code   int32
	Pid    int32
	Uid    uint32
	Status int32
	Addr   *byte
	Value  [8]byte

	Lwpid        int32
	Event        int32
	Flags        int32
	Sigmask      Sigset_t
	Siglist      Sigset_t
	Siginfo      __PtraceSiginfo
	Tdname       [20]int8
	Child_pid    int32
	Syscall_code uint32
	Syscall_narg uint32
}

type __Siginfo struct {
	Signo  int32
	Errno  int32
	Code   int32
	Pid    int32
	Uid    uint32
	Status int32
	Addr   *byte
	Value  [4]byte

	Lwpid        int32
	Event        int32
	Flags        int32
	Sigmask      Sigset_t
	Siglist      Sigset_t
	Siginfo      __PtraceSiginfo
	Tdname       [20]int8
	Child_pid    int32
	Syscall_code uint32
	Syscall_narg uint32
}

type __Siginfo struct {
	Signo  int32
	Errno  int32
	Code   int32
	Pid    int32
	Uid    uint32
	Status int32
	Addr   *byte
	Value  [8]byte