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Diffstat (limited to 'pkg/sentry/fsimpl/tmpfs/named_pipe.go')
-rw-r--r--pkg/sentry/fsimpl/tmpfs/named_pipe.go60
1 files changed, 0 insertions, 60 deletions
diff --git a/pkg/sentry/fsimpl/tmpfs/named_pipe.go b/pkg/sentry/fsimpl/tmpfs/named_pipe.go
deleted file mode 100644
index 40bde54de..000000000
--- a/pkg/sentry/fsimpl/tmpfs/named_pipe.go
+++ /dev/null
@@ -1,60 +0,0 @@
-// Copyright 2019 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 tmpfs
-
-import (
- "gvisor.dev/gvisor/pkg/abi/linux"
- "gvisor.dev/gvisor/pkg/sentry/context"
- "gvisor.dev/gvisor/pkg/sentry/kernel/auth"
- "gvisor.dev/gvisor/pkg/sentry/kernel/pipe"
- "gvisor.dev/gvisor/pkg/sentry/usermem"
- "gvisor.dev/gvisor/pkg/sentry/vfs"
-)
-
-type namedPipe struct {
- inode inode
-
- pipe *pipe.VFSPipe
-}
-
-// Preconditions:
-// * fs.mu must be locked.
-// * rp.Mount().CheckBeginWrite() has been called successfully.
-func (fs *filesystem) newNamedPipe(creds *auth.Credentials, mode linux.FileMode) *inode {
- file := &namedPipe{pipe: pipe.NewVFSPipe(pipe.DefaultPipeSize, usermem.PageSize)}
- file.inode.init(file, fs, creds, mode)
- file.inode.nlink = 1 // Only the parent has a link.
- return &file.inode
-}
-
-// namedPipeFD implements vfs.FileDescriptionImpl. Methods are implemented
-// entirely via struct embedding.
-type namedPipeFD struct {
- fileDescription
-
- *pipe.VFSPipeFD
-}
-
-func newNamedPipeFD(ctx context.Context, np *namedPipe, rp *vfs.ResolvingPath, vfsd *vfs.Dentry, flags uint32) (*vfs.FileDescription, error) {
- var err error
- var fd namedPipeFD
- fd.VFSPipeFD, err = np.pipe.NewVFSPipeFD(ctx, rp, vfsd, &fd.vfsfd, flags)
- if err != nil {
- return nil, err
- }
- mnt := rp.Mount()
- fd.vfsfd.Init(&fd, flags, mnt, vfsd, &vfs.FileDescriptionOptions{})
- return &fd.vfsfd, nil
-}