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Tracking issue for CommandExt::before_exec #31398
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B-unstableBlocker: Implemented in the nightly compiler and unstable.Blocker: Implemented in the nightly compiler and unstable.T-libs-apiRelevant to the library API team, which will review and decide on the PR/issue.Relevant to the library API team, which will review and decide on the PR/issue.final-comment-periodIn the final comment period and will be merged soon unless new substantive objections are raised.In the final comment period and will be merged soon unless new substantive objections are raised.
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B-unstableBlocker: Implemented in the nightly compiler and unstable.Blocker: Implemented in the nightly compiler and unstable.T-libs-apiRelevant to the library API team, which will review and decide on the PR/issue.Relevant to the library API team, which will review and decide on the PR/issue.final-comment-periodIn the final comment period and will be merged soon unless new substantive objections are raised.In the final comment period and will be merged soon unless new substantive objections are raised.
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Send+Syncon the closure need to be documented and are "somewhat odd"Stdio::piped()for any of the stdio handles because they'll immediately close the other half of the pipe (via CLOEXEC).This is a tracking issue for rust-lang/rfcs#1359.