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unix: use correct cmsg alignment for netbsd/arm64

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netbsd/arm64 requires 128-bit alignment for cmsgs.

Change-Id: I49d7a4dc223f15322c795569292b24200cedd389
Reviewed-on: https://go-review.googlesource.com/c/sys/+/258457
Trust: Tobias Klauser <tobias.klauser@gmail.com>
Trust: Benny Siegert <bsiegert@gmail.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Benny Siegert <bsiegert@gmail.com>
This commit is contained in:
Tobias Klauser
2020-09-30 16:40:48 +02:00
committed by Tobias Klauser
parent 4d22bbb62b
commit e293359b92
1 changed files with 4 additions and 0 deletions
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4
unix/sockcmsg_unix_other.go
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@@ -32,6 +32,10 @@ func cmsgAlignOf(salen int) int {
if runtime.GOARCH == "arm" {
salign = 8
}
// NetBSD aarch64 requires 128-bit alignment.
if runtime.GOOS == "netbsd" && runtime.GOARCH == "arm64" {
salign = 16
}
}
return (salen + salign - 1) & ^(salign - 1)