diff options
| author | Jamie Liu <jamieliu@google.com> | 2020-10-06 13:53:26 -0700 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-10-06 13:55:16 -0700 |
| commit | 1336af78d5dc2a6bc54d22ed45f4dd4793c2f964 (patch) | |
| tree | 17caf73cd5ff66b1ef78f886e6efeaa71e6aca20 /pkg/abi/linux | |
| parent | 3dc3fb2375e9b2296611734980e8ae38334622de (diff) | |
Implement membarrier(2) commands other than *_SYNC_CORE.
Updates #267
PiperOrigin-RevId: 335713923
Diffstat (limited to 'pkg/abi/linux')
| -rw-r--r-- | pkg/abi/linux/BUILD | 1 | ||||
| -rw-r--r-- | pkg/abi/linux/membarrier.go | 27 |
2 files changed, 28 insertions, 0 deletions
diff --git a/pkg/abi/linux/BUILD b/pkg/abi/linux/BUILD index cdcaa8c73..4a26e28de 100644 --- a/pkg/abi/linux/BUILD +++ b/pkg/abi/linux/BUILD @@ -38,6 +38,7 @@ go_library( "ipc.go", "limits.go", "linux.go", + "membarrier.go", "mm.go", "netdevice.go", "netfilter.go", 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) +) |