diff options
| author | Neel Natu <neelnatu@google.com> | 2018-07-16 12:19:02 -0700 |
|---|---|---|
| committer | Shentubot <shentubot@google.com> | 2018-07-16 12:20:05 -0700 |
| commit | 8f21c0bb2807888d812318def43c2405c9b13f5a (patch) | |
| tree | 5ddaa634acbad46a248954e32dc0b901624ad42b /pkg/abi/linux | |
| parent | 9059983fdb2cf64a08152d2aab648b6660b9631b (diff) | |
Add EventOperations.HostFD()
This method allows an eventfd inside the Sentry to be registered with with
the host kernel.
Update comment about memory mapping host fds via CachingInodeOperations.
PiperOrigin-RevId: 204784859
Change-Id: I55823321e2d84c17ae0f7efaabc6b55b852ae257
Diffstat (limited to 'pkg/abi/linux')
| -rw-r--r-- | pkg/abi/linux/BUILD | 1 | ||||
| -rw-r--r-- | pkg/abi/linux/eventfd.go | 22 |
2 files changed, 23 insertions, 0 deletions
diff --git a/pkg/abi/linux/BUILD b/pkg/abi/linux/BUILD index e164945cf..ae7e4378c 100644 --- a/pkg/abi/linux/BUILD +++ b/pkg/abi/linux/BUILD @@ -30,6 +30,7 @@ go_library( "dev.go", "elf.go", "errors.go", + "eventfd.go", "exec.go", "fcntl.go", "file.go", diff --git a/pkg/abi/linux/eventfd.go b/pkg/abi/linux/eventfd.go new file mode 100644 index 000000000..bc0fb44d2 --- /dev/null +++ b/pkg/abi/linux/eventfd.go @@ -0,0 +1,22 @@ +// Copyright 2018 Google Inc. +// +// 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 + +// Constants for eventfd2(2). +const ( + EFD_SEMAPHORE = 0x1 + EFD_CLOEXEC = O_CLOEXEC + EFD_NONBLOCK = O_NONBLOCK +) |