3 files changed, 6 insertions, 157 deletions
diff --git a/pkg/fdchannel/BUILD b/pkg/fdchannel/BUILD
deleted file mode 100644
index d240132e5..000000000
--- a/pkg/fdchannel/BUILD
+++ /dev/null
@@ -1,24 +0,0 @@
-load("//tools:defs.bzl", "go_library", "go_test")
-
-licenses(["notice"])
-
-go_library(
-    name = "fdchannel",
-    srcs = ["fdchannel_unsafe.go"],
-    visibility = ["//visibility:public"],
-    deps = [
-        "//pkg/gohacks",
-        "@org_golang_x_sys//unix:go_default_library",
-    ],
-)
-
-go_test(
-    name = "fdchannel_test",
-    size = "small",
-    srcs = ["fdchannel_test.go"],
-    library = ":fdchannel",
-    deps = [
-        "//pkg/sync",
-        "@org_golang_x_sys//unix:go_default_library",
-    ],
-)
diff --git a/pkg/fdchannel/fdchannel_test.go b/pkg/fdchannel/fdchannel_test.go
deleted file mode 100644
index 9616e30c5..000000000
--- a/pkg/fdchannel/fdchannel_test.go
+++ /dev/null
@@ -1,133 +0,0 @@
-// Copyright 2019 The gVisor Authors.
-//
-// 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 fdchannel
-
-import (
-	"io/ioutil"
-	"os"
-	"syscall"
-	"testing"
-	"time"
-
-	"golang.org/x/sys/unix"
-	"gvisor.dev/gvisor/pkg/sync"
-)
-
-func TestSendRecvFD(t *testing.T) {
-	sendFile, err := ioutil.TempFile("", "fdchannel_test_")
-	if err != nil {
-		t.Fatalf("failed to create temporary file: %v", err)
-	}
-	defer sendFile.Close()
-
-	chanFDs, err := NewConnectedSockets()
-	if err != nil {
-		t.Fatalf("failed to create fdchannel sockets: %v", err)
-	}
-	sendEP := NewEndpoint(chanFDs[0])
-	defer sendEP.Destroy()
-	recvEP := NewEndpoint(chanFDs[1])
-	defer recvEP.Destroy()
-
-	recvFD, err := recvEP.RecvFDNonblock()
-	if err != unix.EAGAIN && err != unix.EWOULDBLOCK {
-		t.Errorf("RecvFDNonblock before SendFD: got (%d, %v), wanted (<unspecified>, EAGAIN or EWOULDBLOCK", recvFD, err)
-	}
-
-	if err := sendEP.SendFD(int(sendFile.Fd())); err != nil {
-		t.Fatalf("SendFD failed: %v", err)
-	}
-	recvFD, err = recvEP.RecvFD()
-	if err != nil {
-		t.Fatalf("RecvFD failed: %v", err)
-	}
-	recvFile := os.NewFile(uintptr(recvFD), "received file")
-	defer recvFile.Close()
-
-	sendInfo, err := sendFile.Stat()
-	if err != nil {
-		t.Fatalf("failed to stat sent file: %v", err)
-	}
-	sendInfoSys := sendInfo.Sys()
-	sendStat, ok := sendInfoSys.(*syscall.Stat_t)
-	if !ok {
-		t.Fatalf("sent file's FileInfo is backed by unknown type %T", sendInfoSys)
-	}
-
-	recvInfo, err := recvFile.Stat()
-	if err != nil {
-		t.Fatalf("failed to stat received file: %v", err)
-	}
-	recvInfoSys := recvInfo.Sys()
-	recvStat, ok := recvInfoSys.(*syscall.Stat_t)
-	if !ok {
-		t.Fatalf("received file's FileInfo is backed by unknown type %T", recvInfoSys)
-	}
-
-	if sendStat.Dev != recvStat.Dev || sendStat.Ino != recvStat.Ino {
-		t.Errorf("sent file (dev=%d, ino=%d) does not match received file (dev=%d, ino=%d)", sendStat.Dev, sendStat.Ino, recvStat.Dev, recvStat.Ino)
-	}
-}
-
-func TestShutdownThenRecvFD(t *testing.T) {
-	sendFile, err := ioutil.TempFile("", "fdchannel_test_")
-	if err != nil {
-		t.Fatalf("failed to create temporary file: %v", err)
-	}
-	defer sendFile.Close()
-
-	chanFDs, err := NewConnectedSockets()
-	if err != nil {
-		t.Fatalf("failed to create fdchannel sockets: %v", err)
-	}
-	sendEP := NewEndpoint(chanFDs[0])
-	defer sendEP.Destroy()
-	recvEP := NewEndpoint(chanFDs[1])
-	defer recvEP.Destroy()
-
-	recvEP.Shutdown()
-	if _, err := recvEP.RecvFD(); err == nil {
-		t.Error("RecvFD succeeded unexpectedly")
-	}
-}
-
-func TestRecvFDThenShutdown(t *testing.T) {
-	sendFile, err := ioutil.TempFile("", "fdchannel_test_")
-	if err != nil {
-		t.Fatalf("failed to create temporary file: %v", err)
-	}
-	defer sendFile.Close()
-
-	chanFDs, err := NewConnectedSockets()
-	if err != nil {
-		t.Fatalf("failed to create fdchannel sockets: %v", err)
-	}
-	sendEP := NewEndpoint(chanFDs[0])
-	defer sendEP.Destroy()
-	recvEP := NewEndpoint(chanFDs[1])
-	defer recvEP.Destroy()
-
-	var receiverWG sync.WaitGroup
-	receiverWG.Add(1)
-	go func() {
-		defer receiverWG.Done()
-		if _, err := recvEP.RecvFD(); err == nil {
-			t.Error("RecvFD succeeded unexpectedly")
-		}
-	}()
-	defer receiverWG.Wait()
-	time.Sleep(time.Second) // to ensure recvEP.RecvFD() has blocked
-	recvEP.Shutdown()
-}
diff --git a/pkg/fdchannel/fdchannel_unsafe_state_autogen.go b/pkg/fdchannel/fdchannel_unsafe_state_autogen.go
new file mode 100644
index 000000000..6ad5b7b43
--- /dev/null
+++ b/pkg/fdchannel/fdchannel_unsafe_state_autogen.go
@@ -0,0 +1,6 @@
+// automatically generated by stateify.
+
+//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris
+// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
+
+package fdchannel