// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build dragonfly freebsd linux netbsd openbsd
package poll
import (
"syscall"
"unsafe"
)
func writev(fd int, iovecs []syscall.Iovec) (uintptr, error) {
r, _, e := syscall.Syscall(syscall.SYS_WRITEV, uintptr(fd), uintptr(unsafe.Pointer(&iovecs[0])), uintptr(len(iovecs)))
if e != 0 {
return r, syscall.Errno(e)
}
return r, nil
}