41 lines
1.3 KiB
Go
41 lines
1.3 KiB
Go
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// Copyright 2019 The gVisor Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package ext
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import (
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"gvisor.dev/gvisor/pkg/sentry/context"
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"gvisor.dev/gvisor/pkg/sentry/fs"
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"gvisor.dev/gvisor/pkg/sentry/kernel/pipe"
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"gvisor.dev/gvisor/pkg/sentry/usermem"
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)
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// namedPipe represents a named pipe inode. It is currently just a wrapper
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// around pkg/sentry/kernel/pipe.
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type namedPipe struct {
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inode inode
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p *pipe.Pipe
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inodeOps fs.InodeOperations
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}
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// newNamedPipe is the namedPipe constructor.
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func newNamedPipe(ctx context.Context, inode inode) *namedPipe {
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file := &namedPipe{inode: inode}
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file.inode.impl = file
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file.p = pipe.NewPipe(ctx, true /* isNamed */, pipe.DefaultPipeSize, usermem.PageSize)
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file.inodeOps = pipe.NewInodeOperations(ctx, fs.FilePermsFromMode(file.inode.diskInode.Mode()), file.p)
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return file
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}
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