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