Remove duplicated file in pkg/tcpip/link/rawfile.

The blockingpoll_unsafe.go was copied to blockingpoll_noyield_unsafe.go
during merging commit 7206202bb9439499. If it still stay here, it would
cause build errors on non-amd64 platform.

ERROR:
pkg/tcpip/link/rawfile/BUILD:5:1:
GoCompilePkg
pkg/tcpip/link/rawfile.a
failed (Exit 1) builder failed: error executing command
bazel-out/host/bin/external/go_sdk/builder compilepkg -sdk
external/go_sdk -installsuffix linux_arm64 -src
pkg/tcpip/link/rawfile/blockingpoll_noyield_unsafe.go -src ...
(remaining 33 argument(s) skipped)

Use --sandbox_debug to see verbose messages from the sandbox
compilepkg: error running subcommand: exit status 2
pkg/tcpip/link/rawfile/blockingpoll_yield_unsafe.go:35:6:
BlockingPoll redeclared in this block
        previous declaration at
pkg/tcpip/link/rawfile/blockingpoll_unsafe.go:26:78
Target //pkg/tcpip/link/rawfile:rawfile failed to build
Use --verbose_failures to see the command lines of failed build steps.
INFO: Elapsed time: 25.531s, Critical Path: 21.08s
INFO: 262 processes: 262 linux-sandbox.
FAILED: Build did NOT complete successfully

Signed-off-by: Haibo Xu <haibo.xu@arm.com>
Change-Id: I4e21f82984225d0aa173de456f7a7c66053a053e

2 files changed, 0 insertions, 32 deletions

diff --git a/pkg/tcpip/link/rawfile/BUILD b/pkg/tcpip/link/rawfile/BUILD
index 088eb8a21..2e8bc772a 100644
--- a/pkg/tcpip/link/rawfile/BUILD
+++ b/pkg/tcpip/link/rawfile/BUILD
@@ -8,7 +8,6 @@ go_library(
         "blockingpoll_amd64.s",
         "blockingpoll_arm64.s",
         "blockingpoll_noyield_unsafe.go",
-        "blockingpoll_unsafe.go",
         "blockingpoll_yield_unsafe.go",
         "errors.go",
         "rawfile_unsafe.go",
diff --git a/pkg/tcpip/link/rawfile/blockingpoll_unsafe.go b/pkg/tcpip/link/rawfile/blockingpoll_unsafe.go
deleted file mode 100644
index 84dc0e918..000000000
--- a/pkg/tcpip/link/rawfile/blockingpoll_unsafe.go
+++ /dev/null
@@ -1,31 +0,0 @@
-// Copyright 2018 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.
-
-// +build linux,!amd64
-
-package rawfile
-
-import (
-	"syscall"
-	"unsafe"
-)
-
-// BlockingPoll is just a stub function that forwards to the ppoll() system call
-// on non-amd64 platforms.
-func BlockingPoll(fds *PollEvent, nfds int, timeout *syscall.Timespec) (int, syscall.Errno) {
-	n, _, e := syscall.Syscall6(syscall.SYS_PPOLL, uintptr(unsafe.Pointer(fds)),
-		uintptr(nfds), uintptr(unsafe.Pointer(timeout)), 0, 0, 0)
-
-	return int(n), e
-}