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syscall: fix FD passing on FreeBSD and NetBSD
Fixes #3348. R=devon.odell, minux.ma, bradfitz, mdempsky CC=golang-dev https://golang.org/cl/7406050
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@ -2,7 +2,7 @@
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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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// +build linux darwin
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// +build linux darwin freebsd netbsd
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package syscall_test
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@ -37,7 +37,7 @@ func CmsgSpace(datalen int) int {
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}
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func cmsgData(h *Cmsghdr) unsafe.Pointer {
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return unsafe.Pointer(uintptr(unsafe.Pointer(h)) + SizeofCmsghdr)
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return unsafe.Pointer(uintptr(unsafe.Pointer(h)) + uintptr(cmsgAlignOf(SizeofCmsghdr)))
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}
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// SocketControlMessage represents a socket control message.
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