From 71132f5fbd80ad7e1b3940bc6689c31a6e0f195b Mon Sep 17 00:00:00 2001
From: Eli Lindsey <eli@siliconsprawl.com>
Date: Thu, 22 Aug 2024 20:42:27 -0400
Subject: [PATCH] unix: add POLLRDHUP to FreeBSD

POLLRDHUP is a poll(2) event applicable to stream sockets that notifies
when a remote peer closes a connection.

Change-Id: I03a192426f89bbd08fb27dda2716ffb888043c92
Reviewed-on: https://go-review.googlesource.com/c/sys/+/607797
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
---
 unix/types_freebsd.go          | 1 +
 unix/ztypes_freebsd_386.go     | 1 +
 unix/ztypes_freebsd_amd64.go   | 1 +
 unix/ztypes_freebsd_arm.go     | 1 +
 unix/ztypes_freebsd_arm64.go   | 1 +
 unix/ztypes_freebsd_riscv64.go | 1 +
 6 files changed, 6 insertions(+)

diff --git a/unix/types_freebsd.go b/unix/types_freebsd.go
index 23e3a026a..601096ee5 100644
--- a/unix/types_freebsd.go
+++ b/unix/types_freebsd.go
@@ -356,6 +356,7 @@ const (
 	POLLRDNORM   = C.POLLRDNORM
 	POLLWRBAND   = C.POLLWRBAND
 	POLLWRNORM   = C.POLLWRNORM
+	POLLRDHUP    = C.POLLRDHUP
 )
 
 // Capabilities
diff --git a/unix/ztypes_freebsd_386.go b/unix/ztypes_freebsd_386.go
index 6cbd094a3..51e13eb05 100644
--- a/unix/ztypes_freebsd_386.go
+++ b/unix/ztypes_freebsd_386.go
@@ -625,6 +625,7 @@ const (
 	POLLRDNORM   = 0x40
 	POLLWRBAND   = 0x100
 	POLLWRNORM   = 0x4
+	POLLRDHUP    = 0x4000
 )
 
 type CapRights struct {
diff --git a/unix/ztypes_freebsd_amd64.go b/unix/ztypes_freebsd_amd64.go
index 7c03b6ee7..d002d8ef3 100644
--- a/unix/ztypes_freebsd_amd64.go
+++ b/unix/ztypes_freebsd_amd64.go
@@ -630,6 +630,7 @@ const (
 	POLLRDNORM   = 0x40
 	POLLWRBAND   = 0x100
 	POLLWRNORM   = 0x4
+	POLLRDHUP    = 0x4000
 )
 
 type CapRights struct {
diff --git a/unix/ztypes_freebsd_arm.go b/unix/ztypes_freebsd_arm.go
index 422107ee8..3f863d898 100644
--- a/unix/ztypes_freebsd_arm.go
+++ b/unix/ztypes_freebsd_arm.go
@@ -616,6 +616,7 @@ const (
 	POLLRDNORM   = 0x40
 	POLLWRBAND   = 0x100
 	POLLWRNORM   = 0x4
+	POLLRDHUP    = 0x4000
 )
 
 type CapRights struct {
diff --git a/unix/ztypes_freebsd_arm64.go b/unix/ztypes_freebsd_arm64.go
index 505a12acf..61c729310 100644
--- a/unix/ztypes_freebsd_arm64.go
+++ b/unix/ztypes_freebsd_arm64.go
@@ -610,6 +610,7 @@ const (
 	POLLRDNORM   = 0x40
 	POLLWRBAND   = 0x100
 	POLLWRNORM   = 0x4
+	POLLRDHUP    = 0x4000
 )
 
 type CapRights struct {
diff --git a/unix/ztypes_freebsd_riscv64.go b/unix/ztypes_freebsd_riscv64.go
index cc986c790..b5d17414f 100644
--- a/unix/ztypes_freebsd_riscv64.go
+++ b/unix/ztypes_freebsd_riscv64.go
@@ -612,6 +612,7 @@ const (
 	POLLRDNORM   = 0x40
 	POLLWRBAND   = 0x100
 	POLLWRNORM   = 0x4
+	POLLRDHUP    = 0x4000
 )
 
 type CapRights struct {