50 lines
1.6 KiB
Go
50 lines
1.6 KiB
Go
// Copyright 2015 Google Inc. All Rights Reserved.
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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 fuse
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import "context"
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// MountedFileSystem represents the status of a mount operation, with a method
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// that waits for unmounting.
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type MountedFileSystem struct {
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dir string
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// The result to return from Join. Not valid until the channel is closed.
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joinStatus error
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joinStatusAvailable chan struct{}
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}
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// Dir returns the directory on which the file system is mounted (or where we
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// attempted to mount it.)
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func (mfs *MountedFileSystem) Dir() string {
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return mfs.dir
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}
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// Join blocks until a mounted file system has been unmounted. It does not
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// return successfully until all ops read from the connection have been
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// responded to (i.e. the file system server has finished processing all
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// in-flight ops).
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//
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// The return value will be non-nil if anything unexpected happened while
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// serving. May be called multiple times.
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func (mfs *MountedFileSystem) Join(ctx context.Context) error {
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select {
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case <-mfs.joinStatusAvailable:
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return mfs.joinStatus
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case <-ctx.Done():
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return ctx.Err()
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}
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}
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