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78 lines
1.8 KiB
78 lines
1.8 KiB
// Copyright 2021 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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// illumos system calls not present on Solaris. |
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//go:build amd64 && illumos |
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package unix |
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import ( |
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"unsafe" |
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) |
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func bytes2iovec(bs [][]byte) []Iovec { |
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iovecs := make([]Iovec, len(bs)) |
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for i, b := range bs { |
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iovecs[i].SetLen(len(b)) |
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if len(b) > 0 { |
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iovecs[i].Base = &b[0] |
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} else { |
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iovecs[i].Base = (*byte)(unsafe.Pointer(&_zero)) |
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} |
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} |
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return iovecs |
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} |
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//sys readv(fd int, iovs []Iovec) (n int, err error) |
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func Readv(fd int, iovs [][]byte) (n int, err error) { |
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iovecs := bytes2iovec(iovs) |
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n, err = readv(fd, iovecs) |
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return n, err |
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} |
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//sys preadv(fd int, iovs []Iovec, off int64) (n int, err error) |
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func Preadv(fd int, iovs [][]byte, off int64) (n int, err error) { |
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iovecs := bytes2iovec(iovs) |
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n, err = preadv(fd, iovecs, off) |
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return n, err |
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} |
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//sys writev(fd int, iovs []Iovec) (n int, err error) |
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func Writev(fd int, iovs [][]byte) (n int, err error) { |
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iovecs := bytes2iovec(iovs) |
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n, err = writev(fd, iovecs) |
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return n, err |
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} |
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//sys pwritev(fd int, iovs []Iovec, off int64) (n int, err error) |
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func Pwritev(fd int, iovs [][]byte, off int64) (n int, err error) { |
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iovecs := bytes2iovec(iovs) |
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n, err = pwritev(fd, iovecs, off) |
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return n, err |
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} |
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//sys accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) = libsocket.accept4 |
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func Accept4(fd int, flags int) (nfd int, sa Sockaddr, err error) { |
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var rsa RawSockaddrAny |
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var len _Socklen = SizeofSockaddrAny |
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nfd, err = accept4(fd, &rsa, &len, flags) |
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if err != nil { |
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return |
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} |
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if len > SizeofSockaddrAny { |
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panic("RawSockaddrAny too small") |
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} |
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sa, err = anyToSockaddr(fd, &rsa) |
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if err != nil { |
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Close(nfd) |
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nfd = 0 |
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} |
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return |
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}
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