29 lines
589 B
Go
29 lines
589 B
Go
// 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.
|
|
|
|
//go:build dragonfly || freebsd || linux || netbsd || openbsd
|
|
|
|
package poll
|
|
|
|
import (
|
|
"syscall"
|
|
"unsafe"
|
|
)
|
|
|
|
func writev(fd int, iovecs []syscall.Iovec) (uintptr, error) {
|
|
var (
|
|
r uintptr
|
|
e syscall.Errno
|
|
)
|
|
for {
|
|
r, _, e = syscall.Syscall(syscall.SYS_WRITEV, uintptr(fd), uintptr(unsafe.Pointer(&iovecs[0])), uintptr(len(iovecs)))
|
|
if e != syscall.EINTR {
|
|
break
|
|
}
|
|
}
|
|
if e != 0 {
|
|
return r, e
|
|
}
|
|
return r, nil
|
|
}
|