Merge release-20200928.0-55-g1336af78d (automated)

1 files changed, 27 insertions, 0 deletions

diff --git a/pkg/abi/linux/membarrier.go b/pkg/abi/linux/membarrier.go
new file mode 100644
index 000000000..0f3c03e63
--- /dev/null
+++ b/pkg/abi/linux/membarrier.go
@@ -0,0 +1,27 @@
+// Copyright 2020 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 linux
+
+// membarrier(2) commands, from include/uapi/linux/membarrier.h
+const (
+	MEMBARRIER_CMD_QUERY                                = 0
+	MEMBARRIER_CMD_GLOBAL                               = (1 << 0)
+	MEMBARRIER_CMD_GLOBAL_EXPEDITED                     = (1 << 1)
+	MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED            = (1 << 2)
+	MEMBARRIER_CMD_PRIVATE_EXPEDITED                    = (1 << 3)
+	MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED           = (1 << 4)
+	MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE          = (1 << 5)
+	MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_SYNC_CORE = (1 << 6)
+)