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Auto merge of #12579 - izgzhen:fix-fileapi-ref, r=Manishearth
Fix FileAPI's refcount implementation Revise several intricate parts of FileAPI's internal refcounting-related implementation. Goal: Get it done right once and for all. r? @Manishearth <!-- Please describe your changes on the following line: --> --- <!-- Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `__` with appropriate data: --> - [x] `./mach build -d` does not report any errors - [x] `./mach test-tidy` does not report any errors - [x] These changes do not require tests because it is internal logic change <!-- Pull requests that do not address these steps are welcome, but they will require additional verification as part of the review process. --> <!-- Reviewable:start --> --- This change is [<img src="https://reviewable.io/review_button.svg" height="34" align="absmiddle" alt="Reviewable"/>](https://reviewable.io/reviews/servo/servo/12579) <!-- Reviewable:end -->
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93b130f3f7
3 changed files with 119 additions and 90 deletions
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@ -138,18 +138,15 @@ pub enum FileManagerThreadMsg {
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/// as part of a valid Blob URL
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AddSlicedURLEntry(SelectedFileId, RelativePos, IpcSender<Result<SelectedFileId, BlobURLStoreError>>, FileOrigin),
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/// Revoke Blob URL and send back the acknowledgement
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RevokeBlobURL(SelectedFileId, FileOrigin, IpcSender<Result<(), BlobURLStoreError>>),
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/// Decrease reference count and send back the acknowledgement
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DecRef(SelectedFileId, FileOrigin, IpcSender<Result<(), BlobURLStoreError>>),
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/// Increase reference count
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IncRef(SelectedFileId, FileOrigin),
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/// Activate an internal FileID so it becomes valid as part of a Blob URL
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ActivateBlobURL(SelectedFileId, IpcSender<Result<(), BlobURLStoreError>>, FileOrigin),
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/// Revoke Blob URL and send back the acknowledgement
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RevokeBlobURL(SelectedFileId, FileOrigin, IpcSender<Result<(), BlobURLStoreError>>),
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/// Shut down this thread
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Exit,
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}
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