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Add a mechanism to "Transfer" JSObject between Workers #292

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merged 19 commits into from
Mar 11, 2025
Merged

Add a mechanism to "Transfer" JSObject between Workers #292

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28d5ec0
Add `JSObject.transfer` and `JSObject.receive` APIs
kateinoigakukun Mar 10, 2025
e406cd3
Stop hardcoding the Swift toolchain version in the Multithreading exa…
kateinoigakukun Mar 10, 2025
cfa1b2d
Update Multithreading example to support transferable objects
kateinoigakukun Mar 10, 2025
9d335a8
Add OffscreenCanvas example
kateinoigakukun Mar 10, 2025
98cec71
Rename `JSObject.receive` to `JSObject.Transferring.receive`
kateinoigakukun Mar 10, 2025
9b84176
Update test harness to support transferring
kateinoigakukun Mar 10, 2025
c481614
Fix JSObject lifetime issue while transferring
kateinoigakukun Mar 10, 2025
65ddcd3
Add basic tests for transferring objects between threads
kateinoigakukun Mar 10, 2025
f0bd60c
Fix native build
kateinoigakukun Mar 10, 2025
8d4bba6
Add cautionary notes to the documentation of `JSObject.transfer()`.
kateinoigakukun Mar 10, 2025
09d5311
Rename `JSObject.Transferring` to `JSTransferring<T>`
kateinoigakukun Mar 11, 2025
f25bfec
MessageBroker
kateinoigakukun Mar 11, 2025
58f91c3
Relax deinit requirement
kateinoigakukun Mar 11, 2025
2a081de
Remove dead code and fix error message
kateinoigakukun Mar 11, 2025
4fe37e7
Rename JSTransferring to JSSending
kateinoigakukun Mar 11, 2025
eeff111
Add `JSSending.receive(...)` to receive multiple objects at once
kateinoigakukun Mar 11, 2025
44a5dba
Build fix
kateinoigakukun Mar 11, 2025
b678f71
Skip multi-transfer tests
kateinoigakukun Mar 11, 2025
f5e3a95
Rename JSObject+Transferring.swift to JSSending.swift
kateinoigakukun Mar 11, 2025
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Stop hardcoding the Swift toolchain version in the Multithreading exa… 
…mple
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@kateinoigakukun
kateinoigakukun committed Mar 10, 2025
commit e406cd3663255fe1761e8d8bb8287f7b75434bc8
16 changes: 14 additions & 2 deletions Examples/Multithreading/README.md
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# Multithreading example

Install Development Snapshot toolchain `DEVELOPMENT-SNAPSHOT-2024-07-08-a` from [swift.org/install](https://www.swift.org/install/) and run the following commands:
Install Development Snapshot toolchain `DEVELOPMENT-SNAPSHOT-2024-07-08-a` or later from [swift.org/install](https://www.swift.org/install/) and run the following commands:

```sh
$ swift sdk install https://github.com/swiftwasm/swift/releases/download/swift-wasm-DEVELOPMENT-SNAPSHOT-2024-07-09-a/swift-wasm-DEVELOPMENT-SNAPSHOT-2024-07-09-a-wasm32-unknown-wasip1-threads.artifactbundle.zip
$ (
set -eo pipefail; \
V="$(swiftc --version | head -n1)"; \
TAG="$(curl -sL "https://raw.githubusercontent.com/swiftwasm/swift-sdk-index/refs/heads/main/v1/tag-by-version.json" | jq -e -r --arg v "$V" '.[$v] | .[-1]')"; \
curl -sL "https://raw.githubusercontent.com/swiftwasm/swift-sdk-index/refs/heads/main/v1/builds/$TAG.json" | \
jq -r '.["swift-sdks"]["wasm32-unknown-wasip1-threads"] | "swift sdk install \"\(.url)\" --checksum \"\(.checksum)\""' | sh -x
)
$ export SWIFT_SDK_ID=$(
V="$(swiftc --version | head -n1)"; \
TAG="$(curl -sL "https://raw.githubusercontent.com/swiftwasm/swift-sdk-index/refs/heads/main/v1/tag-by-version.json" | jq -e -r --arg v "$V" '.[$v] | .[-1]')"; \
curl -sL "https://raw.githubusercontent.com/swiftwasm/swift-sdk-index/refs/heads/main/v1/builds/$TAG.json" | \
jq -r '.["swift-sdks"]["wasm32-unknown-wasip1-threads"]["id"]'
)
$ ./build.sh
$ npx serve
```
2 changes: 1 addition & 1 deletion Examples/Multithreading/build.sh
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swift build --swift-sdk DEVELOPMENT-SNAPSHOT-2024-07-09-a-wasm32-unknown-wasip1-threads -Xswiftc -Xclang-linker -Xswiftc -mexec-model=reactor -Xlinker --export=__main_argc_argv -c release -Xswiftc -g
swift build --swift-sdk "${SWIFT_SDK_ID:-wasm32-unknown-wasip1-threads}" -Xswiftc -Xclang-linker -Xswiftc -mexec-model=reactor -Xlinker --export=__main_argc_argv -c release -Xswiftc -g