package unix

import (
	"syscall"
	"unsafe"
)

//go:linkname ioctlPtr syscall.ioctlPtr
func ioctlPtr(fd int, req uint, arg unsafe.Pointer) (err error)

// Note that pgid should really be pid_t, however _C_int (aka int32) is
// generally equivalent.

func Tcsetpgrp(fd int, pgid int32) (err error) {
	return ioctlPtr(fd, syscall.TIOCSPGRP, unsafe.Pointer(&pgid))

	pgrp = int(r0)
	return
}

func Tcgetpgrp(fd int) (pgid int32, err error) {
	if errno := ioctlPtr(uintptr(fd), TIOCGPGRP, unsafe.Pointer(&pgid)); errno != 0 {
		return -1, errno
	}
	return pgid, nil
}

func Tcsetpgrp(fd int, pgid int32) (err error) {
	return ioctlPtr(uintptr(fd), TIOCSPGRP, unsafe.Pointer(&pgid))

// equivalent.

func Tcgetpgrp(fd int) (pgid int32, err error) {
	if err := ioctlPtr(fd, TIOCGPGRP, unsafe.Pointer(&pgid)); err != nil {
		return -1, err
	}
	return pgid, nil
}

func Tcsetpgrp(fd int, pgid int32) (err error) {
	return ioctlPtr(fd, TIOCSPGRP, unsafe.Pointer(&pgid))

	pgrp = int(r0)
	return
}

func Tcgetpgrp(fd int) (pgid int32, err error) {
	if errno := ioctlPtr(uintptr(fd), TIOCGPGRP, unsafe.Pointer(&pgid)); errno != 0 {
		return -1, errno
	}
	return pgid, nil
}

func Tcsetpgrp(fd int, pgid int32) (err error) {
	return ioctlPtr(uintptr(fd), TIOCSPGRP, unsafe.Pointer(&pgid))

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

//go:build darwin || dragonfly || freebsd || netbsd || openbsd

package syscall

import _ "unsafe"

// used by internal/syscall/unix
//go:linkname ioctlPtr

// golang.org/x/net linknames sysctl.
// Do not remove or change the type signature.
//

	r0, _, e1 := Syscall(SYS_GETFSSTAT, uintptr(_p0), bufsize, uintptr(flags))
	n = int(r0)
	if e1 != 0 {
		err = e1
	}
	return
}

//sys	ioctl(fd int, req uint, arg uintptr) (err error) = SYS_IOCTL
//sys	ioctlPtr(fd int, req uint, arg unsafe.Pointer) (err error) = SYS_IOCTL

//sys	sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) = SYS___SYSCTL

func Uname(uname *Utsname) error {

//sys	ioctlPtr(fd int, req uint, arg unsafe.Pointer) (err error) = SYS_IOCTL

// ioctl itself should not be exposed directly, but additional get/set functions
// for specific types are permissible. These are defined in ioctl.go and
// ioctl_linux.go.
//
// The third argument to ioctl is often a pointer but sometimes an integer.
// Callers should use ioctlPtr when the third argument is a pointer and ioctl

		err = errnoErr(e1)
	}
	return
}

func libc_ioctl_trampoline()

//go:cgo_import_dynamic libc_ioctl ioctl "libc.so"

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func ioctlPtr(fd int, req uint, arg unsafe.Pointer) (err error) {
	_, _, e1 := rawSyscall(abi.FuncPCABI0(libc_ioctl_trampoline), uintptr(fd), uintptr(req), uintptr(arg))
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

		err = errnoErr(e1)
	}
	return
}

func libc_ioctl_trampoline()

//go:cgo_import_dynamic libc_ioctl ioctl "libc.so"

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func ioctlPtr(fd int, req uint, arg unsafe.Pointer) (err error) {
	_, _, e1 := rawSyscall(abi.FuncPCABI0(libc_ioctl_trampoline), uintptr(fd), uintptr(req), uintptr(arg))
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

		err = errnoErr(e1)
	}
	return
}

func libc_ioctl_trampoline()

//go:cgo_import_dynamic libc_ioctl ioctl "libc.so"

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func ioctlPtr(fd int, req uint, arg unsafe.Pointer) (err error) {
	_, _, e1 := rawSyscall(abi.FuncPCABI0(libc_ioctl_trampoline), uintptr(fd), uintptr(req), uintptr(arg))
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}