roll: pigweed, pw_toolchain: pw_async2: Create OnceSender & OnceReceiver

Create a OnceSender/OnceReceiver utility that can be used to
asynchronously send a value.

Original-Bug: b/350994818

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/226231
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>

https://pigweed.googlesource.com/pigweed/pigweed
pigweed, pw_toolchain Rolled-Commits: cc53189f14208ac..14b586f99ceae20
Roller-URL: https://ci.chromium.org/b/8739674398424397393
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Iae9dc4492957eff820d8726ec0a8627cb9f2b6db
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/showcase/sense/+/229457
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
1 file changed
tree: 5b296b7d64e5b90ff4bd3a7823d385e9ad6fbb6b
  1. .github/
  2. .vscode/
  3. apps/
  4. device/
  5. modules/
  6. system/
  7. targets/
  8. tools/
  9. web_app/
  10. .bazelignore
  11. .bazelrc
  12. .bazelversion
  13. .buildifier.json
  14. .clang-format
  15. .clangd.shared
  16. .gitignore
  17. .pw_console.yaml
  18. AUTHORS
  19. BUILD.bazel
  20. CONTRIBUTING.md
  21. LICENSE
  22. MODULE.bazel
  23. OWNERS
  24. pigweed.json
  25. README.md
README.md

Sense

git clone https://pigweed.googlesource.com/pigweed/showcase/sense

Welcome to Pigweed Sense, a tour of key Pigweed components experienced through an imagined air quality product.

Please visit Sense: An interactive tour through Pigweed to get started.