1 files changed, 31 insertions, 0 deletions
diff --git a/pkg/tcpip/link/rawfile/blockingpoll_noyield_unsafe.go b/pkg/tcpip/link/rawfile/blockingpoll_noyield_unsafe.go
new file mode 100644
index 000000000..621ab8d29
--- /dev/null
+++ b/pkg/tcpip/link/rawfile/blockingpoll_noyield_unsafe.go
@@ -0,0 +1,31 @@
+// 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,!arm64
+
+package rawfile
+
+import (
+	"syscall"
+	"unsafe"
+)
+
+// BlockingPoll is just a stub function that forwards to the ppoll() system call
+// on non-amd64 and non-arm64 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
+}