roll: pigweed, pw_toolchain: pw_sync: [[nodiscard]] for try_lock() and similar functions

Ignoring the return value of a try_lock() function could be a serious
issue.

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/229311

https://pigweed.googlesource.com/pigweed/pigweed
pigweed, pw_toolchain Rolled-Commits: 8d8bb25577cd054..2a34a2865e92cf7
Roller-URL: https://ci.chromium.org/b/8738426149272379361
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ib04da23d44f436d286044db8c1fec97d86337b87
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/showcase/sense/+/232200
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
1 file changed
tree: 48ab2bc149d61a41ca8f1468ac71e252e4a50e5d
  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.