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Fix build for wasm #236

Merged
merged 1 commit into from
Nov 2, 2022
Merged

Fix build for wasm #236

merged 1 commit into from
Nov 2, 2022

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ahti
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@ahti ahti commented Oct 30, 2022

Adds necessary #ifs to fix the WASM build.

Motivation:

Seems like a few places were missed in the locking refactor, which made the WASM build fail due to missing pthread types and unknown rwlock variable.

Modifications:

#if-ed out remaining mentions of pthread types and variables not available on WASM.

Result:

swift-log is usable on WASM again.

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Can one of the admins verify this patch?

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Can one of the admins verify this patch?

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Can one of the admins verify this patch?

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Can one of the admins verify this patch?

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Can one of the admins verify this patch?

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Can one of the admins verify this patch?

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Can one of the admins verify this patch?

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Can one of the admins verify this patch?

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Can one of the admins verify this patch?

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tomerd commented Oct 31, 2022

@swift-server-bot test this please

Seems like a few places were missed in the locking refactor, which made the WASM build fail
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tomerd commented Nov 2, 2022

@swift-server-bot test this please

@tomerd tomerd enabled auto-merge (squash) November 2, 2022 17:55
@tomerd tomerd merged commit d868037 into apple:main Nov 2, 2022
renovate bot added a commit to cgrindel/rules_swift_package_manager that referenced this pull request Mar 30, 2023
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This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [apple/swift-log](https://togithub.com/apple/swift-log) | minor |
`from: "1.4.4"` -> `from: "1.5.2"` |

---

### Release Notes

<details>
<summary>apple/swift-log</summary>

### [`v1.5.2`](https://togithub.com/apple/swift-log/releases/tag/1.5.2)

[Compare
Source](https://togithub.com/apple/swift-log/compare/1.5.1...1.5.2)

#### Primary change

Address too aggressive warning logging on LogHandlers that do not
support `MetadataProvider`. The warning would be emitted too frequently,
resulting in flooding logs with warnings. Instead, the warning is now
emitted once per log handler type.

#### What's Changed

- Avoid logging warnings when handler does not support metadataproviders
by [@&#8203;ktoso](https://togithub.com/ktoso) in
[apple/swift-log#252
- Handle providers properly in multiplex log handler by
[@&#8203;ktoso](https://togithub.com/ktoso) in
[apple/swift-log#254
- Add CI for Swift 5.8 and update nightly to Ubuntu 22.04 by
[@&#8203;yim-lee](https://togithub.com/yim-lee) in
[apple/swift-log#255

**Full Changelog**:
apple/swift-log@1.5.1...1.5.2

### [`v1.5.1`](https://togithub.com/apple/swift-log/releases/tag/1.5.1)

[Compare
Source](https://togithub.com/apple/swift-log/compare/1.5.0...1.5.1)

#### Summary

This patch release focuses on minor cleanups to ergonomics of setting
metadata providers with the default stream log handlers, and fixes a bug
in the default handler not printing the provided extra metadata by
default (it does now).

Thank you to [@&#8203;slashmo](https://togithub.com/slashmo) for quickly
noticing and providing a patch for the latter!

#### What's Changed

- Allow passing explicit provider into the stream handlers by
[@&#8203;ktoso](https://togithub.com/ktoso) in
[apple/swift-log#250
- Emit correct metadata from StreamLogHandler by
[@&#8203;slashmo](https://togithub.com/slashmo) in
[apple/swift-log#251

**Full Changelog**:
apple/swift-log@1.5.0...1.5.1

### [`v1.5.0`](https://togithub.com/apple/swift-log/releases/tag/1.5.0)

[Compare
Source](https://togithub.com/apple/swift-log/compare/1.4.4...1.5.0)

### Changes

#### Swift version support

This release drops support for Swift 5.0.

Swift 5.1+ remain supported for the time being.

#### Logger.MetadataProvider

This release introduces metadata providers!

They are an additional way to add metadata to your log statements
automatically whenever a log statement is about to be made. This works
extremely well with systems like distributed tracing, that may pick up
trace identifiers and other information from the task-local context from
where the log statement is being made.

The feature came with a [swift evolution style
proposal](https://togithub.com/apple/swift-log/blob/main/proposals/0001-metadata-providers.md)
introduction to the "why?" and "how?" of this feature you may find
interesting.

Metadata providers are used like this:

```swift
import Logging

enum Namespace { 
  @&#8203;TaskLocal static var simpleTraceID: String?
}

let simpleTraceIDMetadataProvider = Logger.MetadataProvider { 
    guard let traceID = Namespace.simpleTraceID else {
        return [:]
    }
    return ["simple-trace-id": .string(traceID)]
 }

LoggingSystem.bootstrap({ label, metadataProvider in
    myCoolLogHandler(label: label, metadataProvider: metadataProvider)
}, metadataProvider: simpleTraceIDMetadataProvider)
```

which in turn makes every `Logger` on this `LoggingSystem` add this
contextual metadata to log statements automatically:

```swift
let log = Logger(label: "hello")

Namespace.$simpleTraceID.withValue("1234-5678") {
  test()
}

func test() {
  log.info("test log statement")
}

// [info] [simple-trace-id: 1234-5678] test log statement
```

##### Adoption in `LogHandler`s

In order to support this new feature in your log handlers, please make
it accept a `MetadataProvider?` at creation, and store it as:

```swift
struct MyHandler: LogHandler {
    // ... 
    public var metadataProvider: Logger.MetadataProvider?
    // ...
}
```

#### What's Changed

##### Highlight

- Metadata Providers (e.g. for Distributed Tracing) in LogHandlers by
[@&#8203;ktoso](https://togithub.com/ktoso) in
[apple/swift-log#238

##### Other changes

- \[docs] Minimal docc setup and landing page by
[@&#8203;ktoso](https://togithub.com/ktoso) in
[apple/swift-log#226
- \=docc Make docs use symbol references by
[@&#8203;ktoso](https://togithub.com/ktoso) in
[apple/swift-log#230
- \=docc Move to multiple Package.swift files by
[@&#8203;ktoso](https://togithub.com/ktoso) in
[apple/swift-log#231
- Undo 5.7 package files, not needed yet by
[@&#8203;ktoso](https://togithub.com/ktoso) in
[apple/swift-log#232
- Update README: Add missing Source param by
[@&#8203;Rusik](https://togithub.com/Rusik) in
[apple/swift-log#233
- Fix build for wasm by [@&#8203;ahti](https://togithub.com/ahti) in
[apple/swift-log#236
- Add .spi.yml for Swift Package Index DocC support by
[@&#8203;yim-lee](https://togithub.com/yim-lee) in
[apple/swift-log#240
- Fixes link to Supabase repository in README.md by
[@&#8203;timobollwerk](https://togithub.com/timobollwerk) in
[apple/swift-log#245

#### New Contributors

- [@&#8203;Rusik](https://togithub.com/Rusik) made their first
contribution in
[apple/swift-log#233
- [@&#8203;ahti](https://togithub.com/ahti) made their first
contribution in
[apple/swift-log#236
- [@&#8203;timobollwerk](https://togithub.com/timobollwerk) made their
first contribution in
[apple/swift-log#245

**Full Changelog**:
apple/swift-log@1.4.4...1.5.0

</details>

---

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@furby-tm
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@ahti Nice!! I'm happy to see that fix landed! Out of curiosity, I thought that if you were to import WASILibc that there was some support for pthreads, or, perhaps those were just stubbed for now?

Somehow I vaguely remember seeing a commit for the removal of the stubs, but it's also entirely possible I'm just confusing myself with something else.

In either event, it's great to see all this progress! Thanks!

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4 participants