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Not motivated by any particular issue, just noted these could be silently missed.

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It looks like this pull request may not have tests. Please make sure to add tests or get an explicit test exemption before merging.

If you are not sure if you need tests, consider this rule of thumb: the purpose of a test is to make sure someone doesn't accidentally revert the fix. Ask yourself, is there anything in your PR that you feel it is important we not accidentally revert back to how it was before your fix?

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@github-actions github-actions bot added engine flutter/engine related. See also e: labels. platform-linux Building on or for Linux specifically a: desktop Running on desktop labels Sep 29, 2025
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This pull request improves the robustness of the Linux embedder by adding checks for the return values of various embedder API calls. When these calls fail, a warning is now logged, which helps in debugging and identifying issues that might have been silently missed before. The changes are straightforward and cover many API calls throughout fl_engine.cc. I have one suggestion for consistency in how the return values are checked.

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Nice :)

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test-exempt: non-critical developer-facing debug logging

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This should be the default in the engine but I see that LogEmbedderError in embedder.cc redirects to std::cerr. Perhaps we need to redirect these to an embedder callback instead?

@robert-ancell
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This should be the default in the engine but I see that LogEmbedderError in embedder.cc redirects to std::cerr. Perhaps we need to redirect these to an embedder callback instead?

There's some risk of seeing duplicate error messages from both the engine and the Linux embedder, but it's probably still a good idea to have the Linux code consistently checking the results.

@robert-ancell robert-ancell added this pull request to the merge queue Sep 30, 2025
Merged via the queue into flutter:master with commit 2494230 Sep 30, 2025
185 of 186 checks passed
@robert-ancell robert-ancell deleted the linux-engine-return-warnings branch September 30, 2025 03:01
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Sep 30, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Sep 30, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Sep 30, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Sep 30, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Sep 30, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Sep 30, 2025
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engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Oct 1, 2025
auto-submit bot pushed a commit to flutter/packages that referenced this pull request Oct 1, 2025
…10145)

Manual roll requested by [email protected]

flutter/flutter@96fe3b3...c9608e2

2025-09-30 [email protected] Implement framework interface for the dialog window archetype (flutter/flutter#176202)
2025-09-30 [email protected] Update flutter test to use SemanticsFlags (flutter/flutter#175987)
2025-09-30 [email protected] Set minimum supported java version to 17  (flutter/flutter#176226)
2025-09-30 [email protected] Reduce timeout for Linux web_tool_tests back to 60 (flutter/flutter#176286)
2025-09-30 [email protected] Roll Packages from 34eec78 to 287739d (9 revisions) (flutter/flutter#176284)
2025-09-30 [email protected] [web] Bump Firefox to 143.0 (flutter/flutter#176110)
2025-09-30 [email protected] Migrate to `WidgetStateBorderSide` (flutter/flutter#176164)
2025-09-30 [email protected] Enhance input decorator padding logic for character counter in text f… (flutter/flutter#175706)
2025-09-30 [email protected] Update the test package for the web engine unit test bits. (flutter/flutter#176241)
2025-09-30 [email protected] Warn if embedder API calls don't return success (flutter/flutter#176184)
2025-09-30 [email protected] Roll Fuchsia Test Scripts from APSBP-sS-3FX69Ihf... to JUeFbA8y0E-_pj-bg... (flutter/flutter#176243)
2025-09-30 [email protected] Roll GN to 81b24e01 (flutter/flutter#176119)
2025-09-29 [email protected] Rename DisplayMonitor to DisplayManager on Win32 (flutter/flutter#175619)
2025-09-29 [email protected] [Android] Use headingLevel for heading accessibility property (flutter/flutter#175416)
2025-09-29 [email protected] BUILD.gn: Support LTO build on Linux (flutter/flutter#176191)
2025-09-29 [email protected] fix `assertEquals` arguments are in wrong order in `FlutterJNITest.java` (flutter/flutter#175728)
2025-09-29 [email protected] Add tests for `Project` getters  (flutter/flutter#175994)
2025-09-29 [email protected] Roll Fuchsia Linux SDK from 8zjcJic_DtvB2Bo2x... to rcOl0yxJb4znJ903Y... (flutter/flutter#176215)
2025-09-29 [email protected] Clean up typos in `PlatformViewsControllerTest.java` (flutter/flutter#175725)
2025-09-29 [email protected] Migrate java 11 usage to java 17 usage for templates (flutter/flutter#176203)
2025-09-29 [email protected] User Invoke-Expression instead of call operator for nested Powershell scripts invocations (on Windows) (flutter/flutter#175941)
2025-09-29 [email protected] Update changelog as on 3.35 branch (flutter/flutter#176216)
2025-09-29 [email protected] fix typo in `Crashes.md` (flutter/flutter#175959)
2025-09-29 [email protected] Add scene plugin lifecycle events (flutter/flutter#175866)
2025-09-29 [email protected] Migrate tests and documentation to set java version to 17 (flutter/flutter#176204)
2025-09-29 [email protected] Update Engine CI to use NDK r28c  (flutter/flutter#175870)

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okorohelijah pushed a commit to okorohelijah/flutter that referenced this pull request Oct 7, 2025
Not motivated by any particular issue, just noted these could be
silently missed.
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Nov 12, 2025
reidbaker pushed a commit to AbdeMohlbi/flutter that referenced this pull request Dec 10, 2025
Not motivated by any particular issue, just noted these could be
silently missed.
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