Consume the pipes before waiting for pid#411
Merged
keith merged 1 commit intobazelbuild:masterfrom Jul 3, 2025
Merged
Conversation
In general one shouldn't call waitpid until the child closed its end of the pipe. This works fine with libtool invocations that do not produce more than `_PC_PIPE_BUF` bytes of output but deadlocks when the pipe fills up.
Contributor
Author
|
@keith 👀 |
Member
keith
approved these changes
Jul 3, 2025
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
In general one shouldn't call waitpid until the child closed its end of the pipe. This works fine with libtool invocations that do not produce more than
_PC_PIPE_BUFbytes of output but deadlocks when the pipe fills up.