Update README.md

By now Go 1.25.0 has been released, and Go 1.23 is no longer supported
per the Go Release Policy (see https://go.dev/doc/devel/release#policy).

For golang/go#69095.

[git-generate]
(cd . && go get go@1.24.0 && go mod tidy && go fix ./... && go mod edit -toolchain=none)

Change-Id: I0a3cdf3452806d955a3c293c9bdd59e4c1f56f8a
Reviewed-on: https://go-review.googlesource.com/c/sys/+/695616
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Auto-Submit: Gopher Robot <gobot@golang.org>

1patches/freebsd13-xucred-pid-forced.patch

@@ -0,0 +1,115 @@
+diff --git a/unix/ztypes_freebsd_386.go b/unix/ztypes_freebsd_386.go
+index 51e13eb0..5212328e 100644
+--- a/unix/ztypes_freebsd_386.go
++++ b/unix/ztypes_freebsd_386.go
+@@ -203,7 +203,8 @@ type Xucred struct {
+ 	Uid     uint32
+ 	Ngroups int16
+ 	Groups  [16]uint32
+-	_       *byte
++	_       byte
++	Pid		uint32
+ }
+ 
+ type Linger struct {
+@@ -268,7 +269,7 @@ const (
+ 	SizeofSockaddrAny      = 0x6c
+ 	SizeofSockaddrUnix     = 0x6a
+ 	SizeofSockaddrDatalink = 0x36
+-	SizeofXucred           = 0x50
++	SizeofXucred           = 0x54
+ 	SizeofLinger           = 0x8
+ 	SizeofIovec            = 0x8
+ 	SizeofIPMreq           = 0x8
+diff --git a/unix/ztypes_freebsd_amd64.go b/unix/ztypes_freebsd_amd64.go
+index d002d8ef..1673b4e8 100644
+--- a/unix/ztypes_freebsd_amd64.go
++++ b/unix/ztypes_freebsd_amd64.go
+@@ -200,7 +200,8 @@ type Xucred struct {
+ 	Uid     uint32
+ 	Ngroups int16
+ 	Groups  [16]uint32
+-	_       *byte
++	_       byte
++	Pid		uint32
+ }
+ 
+ type Linger struct {
+@@ -265,7 +266,7 @@ const (
+ 	SizeofSockaddrAny      = 0x6c
+ 	SizeofSockaddrUnix     = 0x6a
+ 	SizeofSockaddrDatalink = 0x36
+-	SizeofXucred           = 0x58
++	SizeofXucred           = 0x54
+ 	SizeofLinger           = 0x8
+ 	SizeofIovec            = 0x10
+ 	SizeofIPMreq           = 0x8
+diff --git a/unix/ztypes_freebsd_arm.go b/unix/ztypes_freebsd_arm.go
+index 3f863d89..a54f4570 100644
+--- a/unix/ztypes_freebsd_arm.go
++++ b/unix/ztypes_freebsd_arm.go
+@@ -202,7 +202,8 @@ type Xucred struct {
+ 	Uid     uint32
+ 	Ngroups int16
+ 	Groups  [16]uint32
+-	_       *byte
++	_       byte
++	Pid		uint32
+ }
+ 
+ type Linger struct {
+@@ -267,7 +268,7 @@ const (
+ 	SizeofSockaddrAny      = 0x6c
+ 	SizeofSockaddrUnix     = 0x6a
+ 	SizeofSockaddrDatalink = 0x36
+-	SizeofXucred           = 0x50
++	SizeofXucred           = 0x54
+ 	SizeofLinger           = 0x8
+ 	SizeofIovec            = 0x8
+ 	SizeofIPMreq           = 0x8
+diff --git a/unix/ztypes_freebsd_arm64.go b/unix/ztypes_freebsd_arm64.go
+index 61c72931..a91ccc72 100644
+--- a/unix/ztypes_freebsd_arm64.go
++++ b/unix/ztypes_freebsd_arm64.go
+@@ -200,7 +200,8 @@ type Xucred struct {
+ 	Uid     uint32
+ 	Ngroups int16
+ 	Groups  [16]uint32
+-	_       *byte
++	_       byte
++	Pid		uint32
+ }
+ 
+ type Linger struct {
+@@ -265,7 +266,7 @@ const (
+ 	SizeofSockaddrAny      = 0x6c
+ 	SizeofSockaddrUnix     = 0x6a
+ 	SizeofSockaddrDatalink = 0x36
+-	SizeofXucred           = 0x58
++	SizeofXucred           = 0x54
+ 	SizeofLinger           = 0x8
+ 	SizeofIovec            = 0x10
+ 	SizeofIPMreq           = 0x8
+diff --git a/unix/ztypes_freebsd_riscv64.go b/unix/ztypes_freebsd_riscv64.go
+index b5d17414..596538d9 100644
+--- a/unix/ztypes_freebsd_riscv64.go
++++ b/unix/ztypes_freebsd_riscv64.go
+@@ -200,7 +200,8 @@ type Xucred struct {
+ 	Uid     uint32
+ 	Ngroups int16
+ 	Groups  [16]uint32
+-	_       *byte
++	_       byte
++	Pid		uint32
+ }
+ 
+ type Linger struct {
+@@ -265,7 +266,7 @@ const (
+ 	SizeofSockaddrAny      = 0x6c
+ 	SizeofSockaddrUnix     = 0x6a
+ 	SizeofSockaddrDatalink = 0x36
+-	SizeofXucred           = 0x58
++	SizeofXucred           = 0x54
+ 	SizeofLinger           = 0x8
+ 	SizeofIovec            = 0x10
+ 	SizeofIPMreq           = 0x8

README.md

@@ -1,17 +1,7 @@
-# sys
+# sys - rwinkhart patches
+This repository holds my custom patches atop the Go sys module.
 
-[![Go Reference](https://pkg.go.dev/badge/golang.org/x/sys.svg)](https://pkg.go.dev/golang.org/x/sys)
+The only changes in the master branch are this README and the patches in the `1patches` directory. The patches are applied on other branches and tagged releases are available for import from the releases page.
 
-This repository holds supplemental Go packages for low-level interactions with
-the operating system.
-
-## Report Issues / Send Patches
-
-This repository uses Gerrit for code changes. To learn how to submit changes to
-this repository, see https://go.dev/doc/contribute.
-
-The git repository is https://go.googlesource.com/sys.
-
-The main issue tracker for the sys repository is located at
-https://go.dev/issues. Prefix your issue with "x/sys:" in the
-subject line, so it is easy to find.
+# How To?
+Copy the desired patch file(s) into a new branch (cloned from upstream master) and apply with `patch -p1 < patchfile.patch`.

go.mod

@@ -1,3 +1,3 @@
 module golang.org/x/sys
 
-go 1.23.0
+go 1.24.0

unix/ztypes_freebsd_386.go

@@ -203,8 +203,7 @@ type Xucred struct {
 	Uid     uint32
 	Ngroups int16
 	Groups  [16]uint32
-	_       byte
-	Pid		uint32
+	_       *byte
 }
 
 type Linger struct {
@@ -269,7 +268,7 @@ const (
 	SizeofSockaddrAny      = 0x6c
 	SizeofSockaddrUnix     = 0x6a
 	SizeofSockaddrDatalink = 0x36
-	SizeofXucred           = 0x54
+	SizeofXucred           = 0x50
 	SizeofLinger           = 0x8
 	SizeofIovec            = 0x8
 	SizeofIPMreq           = 0x8

unix/ztypes_freebsd_amd64.go

@@ -200,8 +200,7 @@ type Xucred struct {
 	Uid     uint32
 	Ngroups int16
 	Groups  [16]uint32
-	_       byte
-	Pid		uint32
+	_       *byte
 }
 
 type Linger struct {
@@ -266,7 +265,7 @@ const (
 	SizeofSockaddrAny      = 0x6c
 	SizeofSockaddrUnix     = 0x6a
 	SizeofSockaddrDatalink = 0x36
-	SizeofXucred           = 0x54
+	SizeofXucred           = 0x58
 	SizeofLinger           = 0x8
 	SizeofIovec            = 0x10
 	SizeofIPMreq           = 0x8

unix/ztypes_freebsd_arm.go

@@ -202,8 +202,7 @@ type Xucred struct {
 	Uid     uint32
 	Ngroups int16
 	Groups  [16]uint32
-	_       byte
-	Pid		uint32
+	_       *byte
 }
 
 type Linger struct {
@@ -268,7 +267,7 @@ const (
 	SizeofSockaddrAny      = 0x6c
 	SizeofSockaddrUnix     = 0x6a
 	SizeofSockaddrDatalink = 0x36
-	SizeofXucred           = 0x54
+	SizeofXucred           = 0x50
 	SizeofLinger           = 0x8
 	SizeofIovec            = 0x8
 	SizeofIPMreq           = 0x8

unix/ztypes_freebsd_arm64.go

@@ -200,8 +200,7 @@ type Xucred struct {
 	Uid     uint32
 	Ngroups int16
 	Groups  [16]uint32
-	_       byte
-	Pid		uint32
+	_       *byte
 }
 
 type Linger struct {
@@ -266,7 +265,7 @@ const (
 	SizeofSockaddrAny      = 0x6c
 	SizeofSockaddrUnix     = 0x6a
 	SizeofSockaddrDatalink = 0x36
-	SizeofXucred           = 0x54
+	SizeofXucred           = 0x58
 	SizeofLinger           = 0x8
 	SizeofIovec            = 0x10
 	SizeofIPMreq           = 0x8

unix/ztypes_freebsd_riscv64.go

@@ -200,8 +200,7 @@ type Xucred struct {
 	Uid     uint32
 	Ngroups int16
 	Groups  [16]uint32
-	_       byte
-	Pid		uint32
+	_       *byte
 }
 
 type Linger struct {
@@ -266,7 +265,7 @@ const (
 	SizeofSockaddrAny      = 0x6c
 	SizeofSockaddrUnix     = 0x6a
 	SizeofSockaddrDatalink = 0x36
-	SizeofXucred           = 0x54
+	SizeofXucred           = 0x58
 	SizeofLinger           = 0x8
 	SizeofIovec            = 0x10
 	SizeofIPMreq           = 0x8