diff --git a/.github/workflows/cross-compile-bsd.yml b/.github/workflows/cross-compile-bsd.yml
new file mode 100644
index 000000000..37a65afe2
--- /dev/null
+++ b/.github/workflows/cross-compile-bsd.yml
@@ -0,0 +1,85 @@
+name: Cross-compile for *BSD
+
+on:
+  push:
+    branches:
+      - master
+      - dev
+      - 1.x
+    paths-ignore:
+      - '**.md'
+      - '**.yml'
+      - '**.yaml'
+      - '!.github/workflows/cross-compile-bsd.yml'
+  pull_request:
+    branches:
+      - master
+      - dev
+      - 1.x
+    paths-ignore:
+      - '**.md'
+      - '**.yml'
+      - '**.yaml'
+      - '!.github/workflows/cross-compile-bsd.yml'
+
+env:
+  GO111MODULE: on
+  GOPROXY: "https://proxy.golang.org"
+
+jobs:
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        go: ['1.17', '1.21']
+        os:
+          - ubuntu-latest
+    name: Go ${{ matrix.go }} @ ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.ref }}
+
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: ${{ matrix.go }}
+
+      - name: Print Go environment
+        id: go-env
+        run: |
+          printf "Using go at: $(which go)\n"
+          printf "Go version: $(go version)\n"
+          printf "\n\nGo environment:\n\n"
+          go env
+          printf "\n\nSystem environment:\n\n"
+          env
+          # Calculate the short SHA1 hash of the git commit
+          echo "SHORT_SHA=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT
+          echo "GO_CACHE=$(go env GOCACHE)" >> $GITHUB_OUTPUT
+
+      - name: Cross-compiling for DragonFlyBSD
+        run: GOOS=dragonfly GOARCH=amd64 go build
+
+      - name: Cross-compiling for DragonFlyBSD -tags=poll_opt,gc_opt
+        run: GOOS=dragonfly GOARCH=amd64 go build -tags=poll_opt,gc_opt
+
+      - name: Cross-compiling for FreeBSD
+        run: GOOS=freebsd GOARCH=amd64 go build
+
+      - name: Cross-compiling for FreeBSD -tags=poll_opt,gc_opt
+        run: GOOS=freebsd GOARCH=amd64 go build -tags=poll_opt,gc_opt
+
+      - name: Cross-compiling for NetBSD
+        run: GOOS=netbsd GOARCH=amd64 go build
+
+      - name: Cross-compiling for NetBSD -tags=poll_opt,gc_opt
+        run: GOOS=netbsd GOARCH=amd64 go build -tags=poll_opt,gc_opt
+
+      - name: Cross-compiling for OpenBSD
+        run: GOOS=openbsd GOARCH=amd64 go build
+
+      - name: Cross-compiling for OpenBSD -tags=poll_opt,gc_opt
+        run: GOOS=openbsd GOARCH=amd64 go build -tags=poll_opt,gc_opt
diff --git a/acceptor_unix.go b/acceptor_unix.go
index fe7d67cab..ae6e9a35e 100644
--- a/acceptor_unix.go
+++ b/acceptor_unix.go
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build linux || freebsd || dragonfly || netbsd || openbsd || darwin
-// +build linux freebsd dragonfly netbsd openbsd darwin
+//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd
+// +build darwin dragonfly freebsd linux netbsd openbsd
 
 package gnet
 
diff --git a/client_test.go b/client_test.go
index dccbf10dc..8b56f5494 100644
--- a/client_test.go
+++ b/client_test.go
@@ -1,5 +1,5 @@
-//go:build linux || freebsd || dragonfly || netbsd || openbsd || darwin || windows
-// +build linux freebsd dragonfly netbsd openbsd darwin windows
+//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd || windows
+// +build darwin dragonfly freebsd linux netbsd openbsd windows
 
 package gnet
 
diff --git a/client_unix.go b/client_unix.go
index 10bf99c07..597d73592 100644
--- a/client_unix.go
+++ b/client_unix.go
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build linux || freebsd || dragonfly || netbsd || openbsd || darwin
-// +build linux freebsd dragonfly netbsd openbsd darwin
+//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd
+// +build darwin dragonfly freebsd linux netbsd openbsd
 
 package gnet
 
diff --git a/conn_map.go b/conn_map.go
index e6e45a050..6b1b02aa1 100644
--- a/conn_map.go
+++ b/conn_map.go
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build (linux || freebsd || dragonfly || netbsd || openbsd || darwin) && !gc_opt
-// +build linux freebsd dragonfly netbsd openbsd darwin
+//go:build (darwin || dragonfly || freebsd || linux || netbsd || openbsd) && !gc_opt
+// +build darwin dragonfly freebsd linux netbsd openbsd
 // +build !gc_opt
 
 package gnet
diff --git a/conn_matrix.go b/conn_matrix.go
index 70ba4affa..6076a41fb 100644
--- a/conn_matrix.go
+++ b/conn_matrix.go
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build (linux || freebsd || dragonfly || netbsd || openbsd || darwin) && gc_opt
-// +build linux freebsd dragonfly netbsd openbsd darwin
+//go:build (darwin || dragonfly || freebsd || linux || netbsd || openbsd) && gc_opt
+// +build darwin dragonfly freebsd linux netbsd openbsd
 // +build gc_opt
 
 package gnet
diff --git a/conn_matrix_test.go b/conn_matrix_test.go
index c081cfa67..c13e39e83 100644
--- a/conn_matrix_test.go
+++ b/conn_matrix_test.go
@@ -1,5 +1,5 @@
-//go:build (linux || freebsd || dragonfly || netbsd || openbsd || darwin) && gc_opt
-// +build linux freebsd dragonfly netbsd openbsd darwin
+//go:build (darwin || dragonfly || freebsd || linux || netbsd || openbsd) && gc_opt
+// +build darwin dragonfly freebsd linux netbsd openbsd
 // +build gc_opt
 
 package gnet
diff --git a/connection_bsd.go b/connection_bsd.go
index 3223f01e4..716a00180 100644
--- a/connection_bsd.go
+++ b/connection_bsd.go
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build freebsd || dragonfly || netbsd || openbsd || darwin
-// +build freebsd dragonfly netbsd openbsd darwin
+//go:build darwin || dragonfly || freebsd || netbsd || openbsd
+// +build darwin dragonfly freebsd netbsd openbsd
 
 package gnet
 
diff --git a/connection_unix.go b/connection_unix.go
index 101a51e96..1e59f5e77 100644
--- a/connection_unix.go
+++ b/connection_unix.go
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build linux || freebsd || dragonfly || netbsd || openbsd || darwin
-// +build linux freebsd dragonfly netbsd openbsd darwin
+//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd
+// +build darwin dragonfly freebsd linux netbsd openbsd
 
 package gnet
 
diff --git a/engine_unix.go b/engine_unix.go
index 18f46c89d..83a1ae864 100644
--- a/engine_unix.go
+++ b/engine_unix.go
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build linux || freebsd || dragonfly || netbsd || openbsd || darwin
-// +build linux freebsd dragonfly netbsd openbsd darwin
+//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd
+// +build darwin dragonfly freebsd linux netbsd openbsd
 
 package gnet
 
diff --git a/eventloop_unix.go b/eventloop_unix.go
index b7530a966..d2f1c5c22 100644
--- a/eventloop_unix.go
+++ b/eventloop_unix.go
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build linux || freebsd || dragonfly || netbsd || openbsd || darwin
-// +build linux freebsd dragonfly netbsd openbsd darwin
+//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd
+// +build darwin dragonfly freebsd linux netbsd openbsd
 
 package gnet
 
diff --git a/eventloop_unix_test.go b/eventloop_unix_test.go
index 25e8ae64e..b9cc2121e 100644
--- a/eventloop_unix_test.go
+++ b/eventloop_unix_test.go
@@ -1,5 +1,5 @@
-//go:build linux || freebsd || dragonfly || netbsd || openbsd || darwin
-// +build linux freebsd dragonfly netbsd openbsd darwin
+//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd
+// +build darwin dragonfly freebsd linux netbsd openbsd
 
 package gnet
 
diff --git a/go.mod b/go.mod
index 9c94e27ed..02ad938c6 100644
--- a/go.mod
+++ b/go.mod
@@ -5,8 +5,8 @@ require (
 	github.com/stretchr/testify v1.8.4
 	github.com/valyala/bytebufferpool v1.0.0
 	go.uber.org/zap v1.21.0 // don't upgrade this one
-	golang.org/x/sync v0.6.0
-	golang.org/x/sys v0.16.0
+	golang.org/x/sync v0.7.0
+	golang.org/x/sys v0.19.0
 	gopkg.in/natefinch/lumberjack.v2 v2.2.1
 )
 
diff --git a/go.sum b/go.sum
index 3a9505260..0823447e5 100644
--- a/go.sum
+++ b/go.sum
@@ -46,15 +46,15 @@ golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96b
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.3.0/go.mod h1:FU7BRWz2tNW+3quACPkgCx/L+uEAv1htQ0V83Z9Rj+Y=
-golang.org/x/sync v0.6.0 h1:5BMeUDZ7vkXGfEr1x9B4bRcTH4lpkTkpdh0T/J+qjbQ=
-golang.org/x/sync v0.6.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
+golang.org/x/sync v0.7.0 h1:YsImfSBoP9QPYL0xyKJPq0gcaJdG3rInoqxTWbfQu9M=
+golang.org/x/sync v0.7.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.16.0 h1:xWw16ngr6ZMtmxDyKyIgsE93KNKz5HKmMa3b8ALHidU=
-golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.19.0 h1:q5f1RH2jigJ1MoAWp2KTp3gm5zAGFUTarQZ5U386+4o=
+golang.org/x/sys v0.19.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
diff --git a/internal/io/io_bsd.go b/internal/io/io_bsd.go
index 661bb1606..c32109059 100644
--- a/internal/io/io_bsd.go
+++ b/internal/io/io_bsd.go
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build freebsd || dragonfly || netbsd || openbsd || darwin
-// +build freebsd dragonfly netbsd openbsd darwin
+//go:build darwin || dragonfly || freebsd || netbsd || openbsd
+// +build darwin dragonfly freebsd netbsd openbsd
 
 package io
 
diff --git a/internal/netpoll/defs_bsd_32bit.go b/internal/netpoll/defs_bsd_32bit.go
index 2b0fa0b66..1a42c4a76 100644
--- a/internal/netpoll/defs_bsd_32bit.go
+++ b/internal/netpoll/defs_bsd_32bit.go
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build (freebsd || dragonfly || netbsd || openbsd || darwin) && (386 || arm || mips || mipsle)
-// +build freebsd dragonfly netbsd openbsd darwin
+//go:build (darwin || dragonfly || freebsd || netbsd || openbsd) && (386 || arm || mips || mipsle)
+// +build darwin dragonfly freebsd netbsd openbsd
 // +build 386 arm mips mipsle
 
 package netpoll
diff --git a/internal/netpoll/defs_bsd_64bit.go b/internal/netpoll/defs_bsd_64bit.go
index 1bcab7c35..7248bcceb 100644
--- a/internal/netpoll/defs_bsd_64bit.go
+++ b/internal/netpoll/defs_bsd_64bit.go
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build (freebsd || dragonfly || netbsd || openbsd || darwin) && (amd64 || arm64 || ppc64 || ppc64le || mips64 || mips64le || riscv64)
-// +build freebsd dragonfly netbsd openbsd darwin
+//go:build (darwin || dragonfly || freebsd || netbsd || openbsd) && (amd64 || arm64 || ppc64 || ppc64le || mips64 || mips64le || riscv64)
+// +build darwin dragonfly freebsd netbsd openbsd
 // +build amd64 arm64 ppc64 ppc64le mips64 mips64le riscv64
 
 package netpoll
diff --git a/internal/netpoll/defs_poller.go b/internal/netpoll/defs_poller.go
index 79f27d2ea..ed12ca80d 100644
--- a/internal/netpoll/defs_poller.go
+++ b/internal/netpoll/defs_poller.go
@@ -12,14 +12,11 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build linux || freebsd || dragonfly || netbsd || openbsd || darwin
-// +build linux freebsd dragonfly netbsd openbsd darwin
+//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd
+// +build darwin dragonfly freebsd linux netbsd openbsd
 
 package netpoll
 
-// IOFlags represents the flags of IO events.
-type IOFlags = uint16
-
 // PollEventHandler is the callback for I/O events notified by the poller.
 type PollEventHandler func(int, IOEvent, IOFlags) error
 
diff --git a/internal/netpoll/defs_poller_bsd.go b/internal/netpoll/defs_poller_bsd.go
new file mode 100644
index 000000000..772e8e4e2
--- /dev/null
+++ b/internal/netpoll/defs_poller_bsd.go
@@ -0,0 +1,24 @@
+// Copyright (c) 2024 The Gnet Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//go:build darwin || dragonfly || freebsd || openbsd
+// +build darwin dragonfly freebsd openbsd
+
+package netpoll
+
+// IOFlags represents the flags of IO events.
+type IOFlags = uint16
+
+// IOEvent is the integer type of I/O events on BSD's.
+type IOEvent = int16
diff --git a/internal/netpoll/defs_poller_epoll.go b/internal/netpoll/defs_poller_epoll.go
index 81501524b..423439cbe 100644
--- a/internal/netpoll/defs_poller_epoll.go
+++ b/internal/netpoll/defs_poller_epoll.go
@@ -19,6 +19,9 @@ package netpoll
 
 import "golang.org/x/sys/unix"
 
+// IOFlags represents the flags of IO events.
+type IOFlags = uint16
+
 // IOEvent is the integer type of I/O events on Linux.
 type IOEvent = uint32
 
diff --git a/internal/netpoll/defs_poller_kqueue.go b/internal/netpoll/defs_poller_kqueue.go
index 89ea29ae8..af7b0adda 100644
--- a/internal/netpoll/defs_poller_kqueue.go
+++ b/internal/netpoll/defs_poller_kqueue.go
@@ -12,16 +12,13 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build freebsd || dragonfly || netbsd || openbsd || darwin
-// +build freebsd dragonfly netbsd openbsd darwin
+//go:build darwin || dragonfly || freebsd || netbsd || openbsd
+// +build darwin dragonfly freebsd netbsd openbsd
 
 package netpoll
 
 import "golang.org/x/sys/unix"
 
-// IOEvent is the integer type of I/O events on BSD's.
-type IOEvent = int16
-
 const (
 	// InitPollEventsCap represents the initial capacity of poller event-list.
 	InitPollEventsCap = 64
diff --git a/internal/netpoll/defs_poller_netbsd.go b/internal/netpoll/defs_poller_netbsd.go
new file mode 100644
index 000000000..b29f5f9c3
--- /dev/null
+++ b/internal/netpoll/defs_poller_netbsd.go
@@ -0,0 +1,21 @@
+// Copyright (c) 2024 The Gnet Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package netpoll
+
+// IOEvent is the integer type of I/O events on BSD's.
+type IOEvent = uint32
+
+// IOFlags represents the flags of IO events.
+type IOFlags = uint32
diff --git a/internal/netpoll/poller_epoll_default.go b/internal/netpoll/poller_epoll_default.go
index 20b9cb213..12a094664 100644
--- a/internal/netpoll/poller_epoll_default.go
+++ b/internal/netpoll/poller_epoll_default.go
@@ -70,10 +70,8 @@ func OpenPoller() (poller *Poller, err error) {
 
 // Close closes the poller.
 func (p *Poller) Close() error {
-	if err := os.NewSyscallError("close", unix.Close(p.fd)); err != nil {
-		return err
-	}
-	return os.NewSyscallError("close", unix.Close(p.efd))
+	_ = unix.Close(p.efd)
+	return os.NewSyscallError("close", unix.Close(p.fd))
 }
 
 // Make the endianness of bytes compatible with more linux OSs under different processor-architectures,
diff --git a/internal/netpoll/poller_epoll_ultimate.go b/internal/netpoll/poller_epoll_ultimate.go
index 844914d8a..84d415f87 100644
--- a/internal/netpoll/poller_epoll_ultimate.go
+++ b/internal/netpoll/poller_epoll_ultimate.go
@@ -71,10 +71,8 @@ func OpenPoller() (poller *Poller, err error) {
 
 // Close closes the poller.
 func (p *Poller) Close() error {
-	if err := os.NewSyscallError("close", unix.Close(p.fd)); err != nil {
-		return err
-	}
-	return os.NewSyscallError("close", unix.Close(p.epa.FD))
+	_ = unix.Close(p.epa.FD)
+	return os.NewSyscallError("close", unix.Close(p.fd))
 }
 
 // Make the endianness of bytes compatible with more linux OSs under different processor-architectures,
@@ -133,7 +131,7 @@ func (p *Poller) Polling() error {
 
 		for i := 0; i < n; i++ {
 			ev := &el.events[i]
-			pollAttachment := *(**PollAttachment)(unsafe.Pointer(&ev.data))
+			pollAttachment := restorePollAttachment(unsafe.Pointer(&ev.data))
 			if pollAttachment.FD == p.epa.FD { // poller is awakened to run tasks in queues.
 				doChores = true
 			} else {
@@ -210,7 +208,7 @@ func (p *Poller) AddReadWrite(pa *PollAttachment, edgeTriggered bool) error {
 	if edgeTriggered {
 		ev.events |= unix.EPOLLET
 	}
-	*(**PollAttachment)(unsafe.Pointer(&ev.data)) = pa
+	convertPollAttachment(unsafe.Pointer(&ev.data), pa)
 	return os.NewSyscallError("epoll_ctl add", epollCtl(p.fd, unix.EPOLL_CTL_ADD, pa.FD, &ev))
 }
 
@@ -221,7 +219,7 @@ func (p *Poller) AddRead(pa *PollAttachment, edgeTriggered bool) error {
 	if edgeTriggered {
 		ev.events |= unix.EPOLLET
 	}
-	*(**PollAttachment)(unsafe.Pointer(&ev.data)) = pa
+	convertPollAttachment(unsafe.Pointer(&ev.data), pa)
 	return os.NewSyscallError("epoll_ctl add", epollCtl(p.fd, unix.EPOLL_CTL_ADD, pa.FD, &ev))
 }
 
@@ -232,7 +230,7 @@ func (p *Poller) AddWrite(pa *PollAttachment, edgeTriggered bool) error {
 	if edgeTriggered {
 		ev.events |= unix.EPOLLET
 	}
-	*(**PollAttachment)(unsafe.Pointer(&ev.data)) = pa
+	convertPollAttachment(unsafe.Pointer(&ev.data), pa)
 	return os.NewSyscallError("epoll_ctl add", epollCtl(p.fd, unix.EPOLL_CTL_ADD, pa.FD, &ev))
 }
 
@@ -243,7 +241,7 @@ func (p *Poller) ModRead(pa *PollAttachment, edgeTriggered bool) error {
 	if edgeTriggered {
 		ev.events |= unix.EPOLLET
 	}
-	*(**PollAttachment)(unsafe.Pointer(&ev.data)) = pa
+	convertPollAttachment(unsafe.Pointer(&ev.data), pa)
 	return os.NewSyscallError("epoll_ctl mod", epollCtl(p.fd, unix.EPOLL_CTL_MOD, pa.FD, &ev))
 }
 
@@ -254,7 +252,7 @@ func (p *Poller) ModReadWrite(pa *PollAttachment, edgeTriggered bool) error {
 	if edgeTriggered {
 		ev.events |= unix.EPOLLET
 	}
-	*(**PollAttachment)(unsafe.Pointer(&ev.data)) = pa
+	convertPollAttachment(unsafe.Pointer(&ev.data), pa)
 	return os.NewSyscallError("epoll_ctl mod", epollCtl(p.fd, unix.EPOLL_CTL_MOD, pa.FD, &ev))
 }
 
diff --git a/internal/netpoll/poller_kqueue_default.go b/internal/netpoll/poller_kqueue_default.go
index 4a04c3d80..c44be9027 100644
--- a/internal/netpoll/poller_kqueue_default.go
+++ b/internal/netpoll/poller_kqueue_default.go
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build (freebsd || dragonfly || netbsd || openbsd || darwin) && !poll_opt
-// +build freebsd dragonfly netbsd openbsd darwin
+//go:build (darwin || dragonfly || freebsd || netbsd || openbsd) && !poll_opt
+// +build darwin dragonfly freebsd netbsd openbsd
 // +build !poll_opt
 
 package netpoll
@@ -33,6 +33,7 @@ import (
 // Poller represents a poller which is in charge of monitoring file-descriptors.
 type Poller struct {
 	fd                          int
+	pipe                        []int
 	wakeupCall                  int32
 	asyncTaskQueue              queue.AsyncTaskQueue // queue with low priority
 	urgentAsyncTaskQueue        queue.AsyncTaskQueue // queue with high priority
@@ -47,14 +48,10 @@ func OpenPoller() (poller *Poller, err error) {
 		err = os.NewSyscallError("kqueue", err)
 		return
 	}
-	if _, err = unix.Kevent(poller.fd, []unix.Kevent_t{{
-		Ident:  0,
-		Filter: unix.EVFILT_USER,
-		Flags:  unix.EV_ADD | unix.EV_CLEAR,
-	}}, nil, nil); err != nil {
+	if err = poller.addWakeupEvent(); err != nil {
 		_ = poller.Close()
 		poller = nil
-		err = os.NewSyscallError("kevent add|clear", err)
+		err = os.NewSyscallError("kevent | pipe2", err)
 		return
 	}
 	poller.asyncTaskQueue = queue.NewLockFreeQueue()
@@ -65,15 +62,13 @@ func OpenPoller() (poller *Poller, err error) {
 
 // Close closes the poller.
 func (p *Poller) Close() error {
+	if len(p.pipe) == 2 {
+		_ = unix.Close(p.pipe[0])
+		_ = unix.Close(p.pipe[1])
+	}
 	return os.NewSyscallError("close", unix.Close(p.fd))
 }
 
-var note = []unix.Kevent_t{{
-	Ident:  0,
-	Filter: unix.EVFILT_USER,
-	Fflags: unix.NOTE_TRIGGER,
-}}
-
 // Trigger enqueues task and wakes up the poller to process pending tasks.
 // By default, any incoming task will enqueued into urgentAsyncTaskQueue
 // before the threshold of high-priority events is reached. When it happens,
@@ -91,11 +86,9 @@ func (p *Poller) Trigger(priority queue.EventPriority, fn queue.TaskFunc, arg in
 		p.urgentAsyncTaskQueue.Enqueue(task)
 	}
 	if atomic.CompareAndSwapInt32(&p.wakeupCall, 0, 1) {
-		if _, err = unix.Kevent(p.fd, note, nil, nil); err == unix.EAGAIN {
-			err = nil
-		}
+		err = p.wakePoller()
 	}
-	return os.NewSyscallError("kevent trigger", err)
+	return os.NewSyscallError("kevent | write", err)
 }
 
 // Polling blocks the current goroutine, waiting for network-events.
@@ -123,6 +116,7 @@ func (p *Poller) Polling(callback PollEventHandler) error {
 			ev := &el.events[i]
 			if fd := int(ev.Ident); fd == 0 { // poller is awakened to run tasks in queues
 				doChores = true
+				p.drainWakeupEvent()
 			} else {
 				switch err = callback(fd, ev.Filter, ev.Flags); err {
 				case nil:
@@ -162,9 +156,7 @@ func (p *Poller) Polling(callback PollEventHandler) error {
 			}
 			atomic.StoreInt32(&p.wakeupCall, 0)
 			if (!p.asyncTaskQueue.IsEmpty() || !p.urgentAsyncTaskQueue.IsEmpty()) && atomic.CompareAndSwapInt32(&p.wakeupCall, 0, 1) {
-				switch _, err = unix.Kevent(p.fd, note, nil, nil); err {
-				case nil, unix.EAGAIN:
-				default:
+				if err = p.wakePoller(); err != nil {
 					doChores = true
 				}
 			}
@@ -180,7 +172,7 @@ func (p *Poller) Polling(callback PollEventHandler) error {
 
 // AddReadWrite registers the given file-descriptor with readable and writable events to the poller.
 func (p *Poller) AddReadWrite(pa *PollAttachment, edgeTriggered bool) error {
-	var flags uint16 = unix.EV_ADD
+	var flags IOFlags = unix.EV_ADD
 	if edgeTriggered {
 		flags |= unix.EV_CLEAR
 	}
@@ -193,7 +185,7 @@ func (p *Poller) AddReadWrite(pa *PollAttachment, edgeTriggered bool) error {
 
 // AddRead registers the given file-descriptor with readable event to the poller.
 func (p *Poller) AddRead(pa *PollAttachment, edgeTriggered bool) error {
-	var flags uint16 = unix.EV_ADD
+	var flags IOFlags = unix.EV_ADD
 	if edgeTriggered {
 		flags |= unix.EV_CLEAR
 	}
@@ -205,7 +197,7 @@ func (p *Poller) AddRead(pa *PollAttachment, edgeTriggered bool) error {
 
 // AddWrite registers the given file-descriptor with writable event to the poller.
 func (p *Poller) AddWrite(pa *PollAttachment, edgeTriggered bool) error {
-	var flags uint16 = unix.EV_ADD
+	var flags IOFlags = unix.EV_ADD
 	if edgeTriggered {
 		flags |= unix.EV_CLEAR
 	}
@@ -225,7 +217,7 @@ func (p *Poller) ModRead(pa *PollAttachment, _ bool) error {
 
 // ModReadWrite renews the given file-descriptor with readable and writable events in the poller.
 func (p *Poller) ModReadWrite(pa *PollAttachment, edgeTriggered bool) error {
-	var flags uint16 = unix.EV_ADD
+	var flags IOFlags = unix.EV_ADD
 	if edgeTriggered {
 		flags |= unix.EV_CLEAR
 	}
diff --git a/internal/netpoll/poller_kqueue_ultimate.go b/internal/netpoll/poller_kqueue_ultimate.go
index 397dad052..fc50c6521 100644
--- a/internal/netpoll/poller_kqueue_ultimate.go
+++ b/internal/netpoll/poller_kqueue_ultimate.go
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build (freebsd || dragonfly || netbsd || openbsd || darwin) && poll_opt
-// +build freebsd dragonfly netbsd openbsd darwin
+//go:build (darwin || dragonfly || freebsd || netbsd || openbsd) && poll_opt
+// +build darwin dragonfly freebsd netbsd openbsd
 // +build poll_opt
 
 package netpoll
@@ -34,6 +34,7 @@ import (
 // Poller represents a poller which is in charge of monitoring file-descriptors.
 type Poller struct {
 	fd                          int
+	pipe                        []int
 	wakeupCall                  int32
 	asyncTaskQueue              queue.AsyncTaskQueue // queue with low priority
 	urgentAsyncTaskQueue        queue.AsyncTaskQueue // queue with high priority
@@ -48,14 +49,10 @@ func OpenPoller() (poller *Poller, err error) {
 		err = os.NewSyscallError("kqueue", err)
 		return
 	}
-	if _, err = unix.Kevent(poller.fd, []unix.Kevent_t{{
-		Ident:  0,
-		Filter: unix.EVFILT_USER,
-		Flags:  unix.EV_ADD | unix.EV_CLEAR,
-	}}, nil, nil); err != nil {
+	if err = poller.addWakeupEvent(); err != nil {
 		_ = poller.Close()
 		poller = nil
-		err = os.NewSyscallError("kevent add|clear", err)
+		err = os.NewSyscallError("kevent | pipe2", err)
 		return
 	}
 	poller.asyncTaskQueue = queue.NewLockFreeQueue()
@@ -66,15 +63,13 @@ func OpenPoller() (poller *Poller, err error) {
 
 // Close closes the poller.
 func (p *Poller) Close() error {
+	if len(p.pipe) == 2 {
+		_ = unix.Close(p.pipe[0])
+		_ = unix.Close(p.pipe[1])
+	}
 	return os.NewSyscallError("close", unix.Close(p.fd))
 }
 
-var note = []unix.Kevent_t{{
-	Ident:  0,
-	Filter: unix.EVFILT_USER,
-	Fflags: unix.NOTE_TRIGGER,
-}}
-
 // Trigger enqueues task and wakes up the poller to process pending tasks.
 // By default, any incoming task will enqueued into urgentAsyncTaskQueue
 // before the threshold of high-priority events is reached. When it happens,
@@ -92,11 +87,9 @@ func (p *Poller) Trigger(priority queue.EventPriority, fn queue.TaskFunc, arg in
 		p.urgentAsyncTaskQueue.Enqueue(task)
 	}
 	if atomic.CompareAndSwapInt32(&p.wakeupCall, 0, 1) {
-		if _, err = unix.Kevent(p.fd, note, nil, nil); err == unix.EAGAIN {
-			err = nil
-		}
+		err = p.wakePoller()
 	}
-	return os.NewSyscallError("kevent trigger", err)
+	return os.NewSyscallError("kevent | write", err)
 }
 
 // Polling blocks the current goroutine, waiting for network-events.
@@ -124,8 +117,9 @@ func (p *Poller) Polling() error {
 			ev := &el.events[i]
 			if ev.Ident == 0 { // poller is awakened to run tasks in queues
 				doChores = true
+				p.drainWakeupEvent()
 			} else {
-				pollAttachment := (*PollAttachment)(unsafe.Pointer(ev.Udata))
+				pollAttachment := restorePollAttachment(unsafe.Pointer(&ev.Udata))
 				switch err = pollAttachment.Callback(int(ev.Ident), ev.Filter, ev.Flags); err {
 				case nil:
 				case errors.ErrAcceptSocket, errors.ErrEngineShutdown:
@@ -164,9 +158,7 @@ func (p *Poller) Polling() error {
 			}
 			atomic.StoreInt32(&p.wakeupCall, 0)
 			if (!p.asyncTaskQueue.IsEmpty() || !p.urgentAsyncTaskQueue.IsEmpty()) && atomic.CompareAndSwapInt32(&p.wakeupCall, 0, 1) {
-				switch _, err = unix.Kevent(p.fd, note, nil, nil); err {
-				case nil, unix.EAGAIN:
-				default:
+				if err = p.wakePoller(); err != nil {
 					doChores = true
 				}
 			}
@@ -184,12 +176,12 @@ func (p *Poller) Polling() error {
 func (p *Poller) AddReadWrite(pa *PollAttachment, edgeTriggered bool) error {
 	var evs [2]unix.Kevent_t
 	evs[0].Ident = keventIdent(pa.FD)
+	evs[0].Filter = unix.EVFILT_READ
 	evs[0].Flags = unix.EV_ADD
 	if edgeTriggered {
 		evs[0].Flags |= unix.EV_CLEAR
 	}
-	evs[0].Filter = unix.EVFILT_READ
-	evs[0].Udata = (*byte)(unsafe.Pointer(pa))
+	convertPollAttachment(unsafe.Pointer(&evs[0].Udata), pa)
 	evs[1] = evs[0]
 	evs[1].Filter = unix.EVFILT_WRITE
 	_, err := unix.Kevent(p.fd, evs[:], nil, nil)
@@ -200,12 +192,12 @@ func (p *Poller) AddReadWrite(pa *PollAttachment, edgeTriggered bool) error {
 func (p *Poller) AddRead(pa *PollAttachment, edgeTriggered bool) error {
 	var evs [1]unix.Kevent_t
 	evs[0].Ident = keventIdent(pa.FD)
+	evs[0].Filter = unix.EVFILT_READ
 	evs[0].Flags = unix.EV_ADD
 	if edgeTriggered {
 		evs[0].Flags |= unix.EV_CLEAR
 	}
-	evs[0].Filter = unix.EVFILT_READ
-	evs[0].Udata = (*byte)(unsafe.Pointer(pa))
+	convertPollAttachment(unsafe.Pointer(&evs[0].Udata), pa)
 	_, err := unix.Kevent(p.fd, evs[:], nil, nil)
 	return os.NewSyscallError("kevent add", err)
 }
@@ -214,12 +206,12 @@ func (p *Poller) AddRead(pa *PollAttachment, edgeTriggered bool) error {
 func (p *Poller) AddWrite(pa *PollAttachment, edgeTriggered bool) error {
 	var evs [1]unix.Kevent_t
 	evs[0].Ident = keventIdent(pa.FD)
+	evs[0].Filter = unix.EVFILT_WRITE
 	evs[0].Flags = unix.EV_ADD
 	if edgeTriggered {
 		evs[0].Flags |= unix.EV_CLEAR
 	}
-	evs[0].Filter = unix.EVFILT_WRITE
-	evs[0].Udata = (*byte)(unsafe.Pointer(pa))
+	convertPollAttachment(unsafe.Pointer(&evs[0].Udata), pa)
 	_, err := unix.Kevent(p.fd, evs[:], nil, nil)
 	return os.NewSyscallError("kevent add", err)
 }
@@ -228,9 +220,8 @@ func (p *Poller) AddWrite(pa *PollAttachment, edgeTriggered bool) error {
 func (p *Poller) ModRead(pa *PollAttachment, _ bool) error {
 	var evs [1]unix.Kevent_t
 	evs[0].Ident = keventIdent(pa.FD)
-	evs[0].Flags = unix.EV_DELETE
 	evs[0].Filter = unix.EVFILT_WRITE
-	evs[0].Udata = (*byte)(unsafe.Pointer(pa))
+	evs[0].Flags = unix.EV_DELETE
 	_, err := unix.Kevent(p.fd, evs[:], nil, nil)
 	return os.NewSyscallError("kevent delete", err)
 }
@@ -239,12 +230,12 @@ func (p *Poller) ModRead(pa *PollAttachment, _ bool) error {
 func (p *Poller) ModReadWrite(pa *PollAttachment, edgeTriggered bool) error {
 	var evs [1]unix.Kevent_t
 	evs[0].Ident = keventIdent(pa.FD)
+	evs[0].Filter = unix.EVFILT_WRITE
 	evs[0].Flags = unix.EV_ADD
 	if edgeTriggered {
 		evs[0].Flags |= unix.EV_CLEAR
 	}
-	evs[0].Filter = unix.EVFILT_WRITE
-	evs[0].Udata = (*byte)(unsafe.Pointer(pa))
+	convertPollAttachment(unsafe.Pointer(&evs[0].Udata), pa)
 	_, err := unix.Kevent(p.fd, evs[:], nil, nil)
 	return os.NewSyscallError("kevent add", err)
 }
diff --git a/internal/netpoll/poller_kqueue_wakeup.go b/internal/netpoll/poller_kqueue_wakeup.go
new file mode 100644
index 000000000..2f9f93298
--- /dev/null
+++ b/internal/netpoll/poller_kqueue_wakeup.go
@@ -0,0 +1,55 @@
+//  Copyright (c) 2024 The Gnet Authors. All rights reserved.
+//
+//  Licensed under the Apache License, Version 2.0 (the "License");
+//  you may not use this file except in compliance with the License.
+//  You may obtain a copy of the License at
+//
+//       http://www.apache.org/licenses/LICENSE-2.0
+//
+//  Unless required by applicable law or agreed to in writing, software
+//  distributed under the License is distributed on an "AS IS" BASIS,
+//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//  See the License for the specific language governing permissions and
+//  limitations under the License.
+
+//go:build darwin || dragonfly || freebsd
+// +build darwin dragonfly freebsd
+
+package netpoll
+
+import (
+	"golang.org/x/sys/unix"
+
+	"github.com/panjf2000/gnet/v2/pkg/logging"
+)
+
+func (p *Poller) addWakeupEvent() error {
+	_, err := unix.Kevent(p.fd, []unix.Kevent_t{{
+		Ident:  0,
+		Filter: unix.EVFILT_USER,
+		Flags:  unix.EV_ADD | unix.EV_CLEAR,
+	}}, nil, nil)
+	return err
+}
+
+func (p *Poller) wakePoller() error {
+retry:
+	_, err := unix.Kevent(p.fd, []unix.Kevent_t{{
+		Ident:  0,
+		Filter: unix.EVFILT_USER,
+		Fflags: unix.NOTE_TRIGGER,
+	}}, nil, nil)
+	if err == nil {
+		return nil
+	}
+	if err == unix.EINTR {
+		// All changes contained in the changelist should have been applied
+		// before returning EINTR. But let's be skeptical and retry it anyway,
+		// to make a 100% commitment.
+		goto retry
+	}
+	logging.Warnf("failed to wake up the poller: %v", err)
+	return err
+}
+
+func (p *Poller) drainWakeupEvent() {}
diff --git a/internal/netpoll/poller_kqueue_wakeup1.go b/internal/netpoll/poller_kqueue_wakeup1.go
new file mode 100644
index 000000000..4505b5087
--- /dev/null
+++ b/internal/netpoll/poller_kqueue_wakeup1.go
@@ -0,0 +1,62 @@
+//  Copyright (c) 2024 The Gnet Authors. All rights reserved.
+//
+//  Licensed under the Apache License, Version 2.0 (the "License");
+//  you may not use this file except in compliance with the License.
+//  You may obtain a copy of the License at
+//
+//       http://www.apache.org/licenses/LICENSE-2.0
+//
+//  Unless required by applicable law or agreed to in writing, software
+//  distributed under the License is distributed on an "AS IS" BASIS,
+//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//  See the License for the specific language governing permissions and
+//  limitations under the License.
+
+//go:build netbsd || openbsd
+// +build netbsd openbsd
+
+package netpoll
+
+import (
+	"golang.org/x/sys/unix"
+
+	"github.com/panjf2000/gnet/v2/pkg/logging"
+)
+
+// TODO(panjf2000): NetBSD didn't implement EVFILT_USER for user-established events
+// until NetBSD 10.0, check out https://www.netbsd.org/releases/formal-10/NetBSD-10.0.html
+// Therefore we use the pipe to wake up the kevent on NetBSD at this point. Get back here
+// and switch to EVFILT_USER when we bump up the minimal requirement of NetBSD to 10.0.
+// Alternatively, maybe we can use EVFILT_USER on the NetBSD by checking the kernel version
+// via uname(3) and fall back to the pipe if the kernel version is older than 10.0.
+
+func (p *Poller) addWakeupEvent() error {
+	p.pipe = make([]int, 2)
+	if err := unix.Pipe2(p.pipe[:], unix.O_NONBLOCK|unix.O_CLOEXEC); err != nil {
+		logging.Fatalf("failed to create pipe for wakeup event: %v", err)
+	}
+	_, err := unix.Kevent(p.fd, []unix.Kevent_t{{
+		Ident:  uint64(p.pipe[0]),
+		Filter: unix.EVFILT_READ,
+		Flags:  unix.EV_ADD,
+	}}, nil, nil)
+	return err
+}
+
+func (p *Poller) wakePoller() error {
+retry:
+	_, err := unix.Write(p.pipe[1], []byte("x"))
+	if err == nil || err == unix.EAGAIN {
+		return nil
+	}
+	if err == unix.EINTR {
+		goto retry
+	}
+	logging.Warnf("failed to write to the wakeup pipe: %v", err)
+	return err
+}
+
+func (p *Poller) drainWakeupEvent() {
+	var buf [8]byte
+	_, _ = unix.Read(p.pipe[0], buf[:])
+}
diff --git a/internal/netpoll/poller_unix_ultimate.go b/internal/netpoll/poller_unix_ultimate.go
new file mode 100644
index 000000000..7404e77bb
--- /dev/null
+++ b/internal/netpoll/poller_unix_ultimate.go
@@ -0,0 +1,29 @@
+// Copyright (c) 2024 The Gnet Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//go:build (darwin || dragonfly || freebsd || linux || netbsd || openbsd) && poll_opt
+// +build darwin dragonfly freebsd linux netbsd openbsd
+// +build poll_opt
+
+package netpoll
+
+import "unsafe"
+
+func convertPollAttachment(ptr unsafe.Pointer, attachment *PollAttachment) {
+	*(**PollAttachment)(ptr) = attachment
+}
+
+func restorePollAttachment(ptr unsafe.Pointer) *PollAttachment {
+	return *(**PollAttachment)(ptr)
+}
diff --git a/internal/socket/fd_unix.go b/internal/socket/fd_unix.go
index 82de8ce27..7b89591d9 100644
--- a/internal/socket/fd_unix.go
+++ b/internal/socket/fd_unix.go
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build linux || freebsd || dragonfly || netbsd || openbsd || darwin
-// +build linux freebsd dragonfly netbsd openbsd darwin
+//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd
+// +build darwin dragonfly freebsd linux netbsd openbsd
 
 package socket
 
diff --git a/internal/socket/sock_bsd.go b/internal/socket/sock_bsd.go
index 6c9de5627..9d97ef417 100644
--- a/internal/socket/sock_bsd.go
+++ b/internal/socket/sock_bsd.go
@@ -13,8 +13,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build freebsd || dragonfly || netbsd || openbsd || darwin
-// +build freebsd dragonfly netbsd openbsd darwin
+//go:build darwin || dragonfly || freebsd || netbsd || openbsd
+// +build darwin dragonfly freebsd netbsd openbsd
 
 package socket
 
diff --git a/internal/socket/sock_cloexec.go b/internal/socket/sock_cloexec.go
index 4be0813a1..334ad0a3b 100644
--- a/internal/socket/sock_cloexec.go
+++ b/internal/socket/sock_cloexec.go
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build linux || freebsd || dragonfly || netbsd || openbsd
-// +build linux freebsd dragonfly netbsd openbsd
+//go:build dragonfly || freebsd || linux
+// +build dragonfly freebsd linux
 
 package socket
 
diff --git a/internal/socket/sock_posix.go b/internal/socket/sock_posix.go
index 5235c6406..8b7dd24c4 100644
--- a/internal/socket/sock_posix.go
+++ b/internal/socket/sock_posix.go
@@ -13,8 +13,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build linux || freebsd || dragonfly || netbsd || openbsd || darwin
-// +build linux freebsd dragonfly netbsd openbsd darwin
+//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd
+// +build darwin dragonfly freebsd linux netbsd openbsd
 
 package socket
 
diff --git a/internal/socket/socket.go b/internal/socket/socket.go
index e49f143f3..a6d9a9448 100644
--- a/internal/socket/socket.go
+++ b/internal/socket/socket.go
@@ -13,8 +13,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build linux || freebsd || dragonfly || netbsd || openbsd || darwin
-// +build linux freebsd dragonfly netbsd openbsd darwin
+//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd
+// +build darwin dragonfly freebsd linux netbsd openbsd
 
 // Package socket provides functions that return fd and net.Addr based on
 // given the protocol and address with a SO_REUSEPORT option set to the socket.
diff --git a/internal/socket/sockopts_posix.go b/internal/socket/sockopts_posix.go
index 1280285f2..61fc8d31f 100644
--- a/internal/socket/sockopts_posix.go
+++ b/internal/socket/sockopts_posix.go
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build linux || freebsd || dragonfly || netbsd || openbsd || darwin
-// +build linux freebsd dragonfly netbsd openbsd darwin
+//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd
+// +build darwin dragonfly freebsd linux netbsd openbsd
 
 package socket
 
diff --git a/internal/socket/sockopts_unix.go b/internal/socket/sockopts_unix.go
index 1d1a2d559..4b63d8389 100644
--- a/internal/socket/sockopts_unix.go
+++ b/internal/socket/sockopts_unix.go
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build linux || freebsd || dragonfly || netbsd
-// +build linux freebsd dragonfly netbsd
+//go:build dragonfly || freebsd || linux || netbsd
+// +build dragonfly freebsd linux netbsd
 
 package socket
 
diff --git a/internal/socket/sockopts_unix1.go b/internal/socket/sockopts_unix1.go
index 0f7be1da9..d4c666f95 100644
--- a/internal/socket/sockopts_unix1.go
+++ b/internal/socket/sockopts_unix1.go
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build linux || dragonfly || netbsd || openbsd || darwin
-// +build linux dragonfly netbsd openbsd darwin
+//go:build darwin || dragonfly || linux || netbsd || openbsd
+// +build darwin dragonfly linux netbsd openbsd
 
 package socket
 
diff --git a/internal/socket/socktoaddr.go b/internal/socket/socktoaddr.go
index 36caa6f9c..068a37213 100644
--- a/internal/socket/socktoaddr.go
+++ b/internal/socket/socktoaddr.go
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build linux || freebsd || dragonfly || netbsd || openbsd || darwin
-// +build linux freebsd dragonfly netbsd openbsd darwin
+//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd
+// +build darwin dragonfly freebsd linux netbsd openbsd
 
 package socket
 
diff --git a/internal/socket/sys_cloexec.go b/internal/socket/sys_cloexec.go
index b526c100d..abd4ee378 100644
--- a/internal/socket/sys_cloexec.go
+++ b/internal/socket/sys_cloexec.go
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build darwin
-// +build darwin
+//go:build darwin || netbsd || openbsd
+// +build darwin netbsd openbsd
 
 package socket
 
diff --git a/internal/socket/tcp_socket.go b/internal/socket/tcp_socket.go
index 337b13c65..21d4af32e 100644
--- a/internal/socket/tcp_socket.go
+++ b/internal/socket/tcp_socket.go
@@ -13,8 +13,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build linux || freebsd || dragonfly || netbsd || openbsd || darwin
-// +build linux freebsd dragonfly netbsd openbsd darwin
+//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd
+// +build darwin dragonfly freebsd linux netbsd openbsd
 
 package socket
 
diff --git a/internal/socket/udp_socket.go b/internal/socket/udp_socket.go
index 10c3ba304..6205c986b 100644
--- a/internal/socket/udp_socket.go
+++ b/internal/socket/udp_socket.go
@@ -13,8 +13,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build linux || freebsd || dragonfly || netbsd || openbsd || darwin
-// +build linux freebsd dragonfly netbsd openbsd darwin
+//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd
+// +build darwin dragonfly freebsd linux netbsd openbsd
 
 package socket
 
diff --git a/internal/socket/unix_socket.go b/internal/socket/unix_socket.go
index b999aaf06..688672d09 100644
--- a/internal/socket/unix_socket.go
+++ b/internal/socket/unix_socket.go
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build linux || freebsd || dragonfly || netbsd || openbsd || darwin
-// +build linux freebsd dragonfly netbsd openbsd darwin
+//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd
+// +build darwin dragonfly freebsd linux netbsd openbsd
 
 package socket
 
diff --git a/listener_unix.go b/listener_unix.go
index e2d497b61..18fde857a 100644
--- a/listener_unix.go
+++ b/listener_unix.go
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build linux || freebsd || dragonfly || netbsd || openbsd || darwin
-// +build linux freebsd dragonfly netbsd openbsd darwin
+//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd
+// +build darwin dragonfly freebsd linux netbsd openbsd
 
 package gnet
 
diff --git a/os_unix_test.go b/os_unix_test.go
index f3d0f0724..0612cfd06 100644
--- a/os_unix_test.go
+++ b/os_unix_test.go
@@ -1,5 +1,5 @@
-//go:build linux || freebsd || dragonfly || netbsd || openbsd || darwin
-// +build linux freebsd dragonfly netbsd openbsd darwin
+//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd
+// +build darwin dragonfly freebsd linux netbsd openbsd
 
 package gnet
 
diff --git a/reactor_default.go b/reactor_default.go
index a8935c879..8927f471e 100644
--- a/reactor_default.go
+++ b/reactor_default.go
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build (linux || freebsd || dragonfly || netbsd || openbsd || darwin) && !poll_opt
-// +build linux freebsd dragonfly netbsd openbsd darwin
+//go:build (darwin || dragonfly || freebsd || linux || netbsd || openbsd) && !poll_opt
+// +build darwin dragonfly freebsd linux netbsd openbsd
 // +build !poll_opt
 
 package gnet
diff --git a/reactor_ultimate.go b/reactor_ultimate.go
index 08ab1c8c6..ce307f7c1 100644
--- a/reactor_ultimate.go
+++ b/reactor_ultimate.go
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build (linux || freebsd || dragonfly || netbsd || openbsd || darwin) && poll_opt
-// +build linux freebsd dragonfly netbsd openbsd darwin
+//go:build (darwin || dragonfly || freebsd || linux || netbsd || openbsd) && poll_opt
+// +build darwin dragonfly freebsd linux netbsd openbsd
 // +build poll_opt
 
 package gnet