diff options
Diffstat (limited to 'pkg/abi/linux/membarrier.go')
| -rw-r--r-- | pkg/abi/linux/membarrier.go | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/pkg/abi/linux/membarrier.go b/pkg/abi/linux/membarrier.go new file mode 100644 index 000000000..4f6021a1d --- /dev/null +++ b/pkg/abi/linux/membarrier.go @@ -0,0 +1,34 @@ +// 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) + MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ = (1 << 7) + MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_RSEQ = (1 << 8) +) + +// membarrier(2) flags, from include/uapi/linux/membarrier.h. +const ( + MEMBARRIER_CMD_FLAG_CPU = (1 << 0) +) |