uutils / uutils/coreutils

fcntl_setpipe_size should handle error cases (EBUSY, EPERM)

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Dominant language
Rust
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Description

fcntl_setpipe_size currently ignores error cases when setting pipe size:

let _ = fcntl_setpipe_size(&mut *dest, MAX_ROOTLESS_PIPE_SIZE);

This can silently drop failures from F_SETPIPE_SZ, which may occur in at least the following cases:

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by tracing the call to fcntl_setpipe_size and read the F_SETPIPE_SZ error documentation linked in the issue. Determine how EBUSY and EPERM should be surfaced or handled instead of silently ignored, then verify that those error cases are covered by the project's relevant tests.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
cli, operating-systems
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Quiet
Clarity
Mostly clear
Newbie friendliness
52/100

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