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unix: drop fallback to accept in Accept on Linux

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Same as CL 346849 does for package syscall.

The minimum required Linux kernel version for Go 1.18 will be changed to
2.6.32, see golang/go#45964. The current minimum required version is
2.6.23 and accept4 was added in 2.6.28, so the fallback to accept in
Accept on Linux can be removed.

For golang/go#45964

Change-Id: Idf915d5a24cf570a2cfa0f0548c1841f3fc64d5a
Reviewed-on: https://go-review.googlesource.com/c/sys/+/347329
Trust: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Matt Layher <mdlayher@gmail.com>
This commit is contained in:
Tobias Klauser
2021-09-02 11:43:05 +02:00
committed by Tobias Klauser
parent 2934436797
commit 97244b9997
1 changed files with 0 additions and 4 deletions
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4
unix/syscall_linux.go
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@@ -1209,11 +1209,7 @@ func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
func Accept(fd int) (nfd int, sa Sockaddr, err error) {
var rsa RawSockaddrAny
var len _Socklen = SizeofSockaddrAny
// Try accept4 first for Android, then try accept for kernel older than 2.6.28
nfd, err = accept4(fd, &rsa, &len, 0)
if err == ENOSYS {
nfd, err = accept(fd, &rsa, &len)
}
if err != nil {
return
}