unix_sigpipe: Add test for SIGPIPE disposition in child processes #121573

Enselic · 2024-02-25T00:04:26Z

To make it clearer what the impact would be to stop using SIG_IGN and instead use a noop handler, like suggested here and implemented here.

Part of #97889

rustbot · 2024-02-25T00:04:34Z

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tests/run-make/sigpipe-in-child-processes/main.rs

Mark-Simulacrum · 2024-03-09T14:33:46Z

Is there a reason this is a run-make test? It seems like it should be just a run-pass test like this one https://github.com/rust-lang/rust/blob/master/tests/ui/panics/abort-on-panic.rs#L1-L3 (or plenty of others with run-pass and revisions:)

Enselic · 2024-03-09T15:14:16Z

@Mark-Simulacrum I don't think run-pass tests supports building the separate program that this test needs? The example you linked to runs itself as a child process, but my test can't do that, since the Rust runtime would mess with SIGPIPE in the child. (My test was originally a run-pass test until I discovered/realized that.)

Mark-Simulacrum · 2024-03-09T15:54:37Z

Ah. I think it might be possible with auxiliary test files, but it's probably not worth the extra work then.

@bors r+

bors · 2024-03-09T15:54:39Z

📌 Commit 527be25 has been approved by Mark-Simulacrum

It is now in the queue for this repository.

…ark-Simulacrum unix_sigpipe: Add test for SIGPIPE disposition in child processes To make it clearer what the impact would be to stop using `SIG_IGN` and instead use a noop handler, like suggested [here](rust-lang#62569 (comment)) and implemented [here](rust-lang#121578). Part of rust-lang#97889

…iaskrgr Rollup of 5 pull requests Successful merges: - rust-lang#121573 (unix_sigpipe: Add test for SIGPIPE disposition in child processes) - rust-lang#121754 ([bootstrap] Move the `split-debuginfo` setting to the per-target section) - rust-lang#122205 (ensure that sysroot is properly set for cross-targets) - rust-lang#122257 (mir-opt tests: don't run a different set on --bless; enable --keep-stage-std) - rust-lang#122272 (Subtree update of `rust-analyzer`) Failed merges: - rust-lang#122108 (Add `target.*.runner` configuration for targets) r? `@ghost` `@rustbot` modify labels: rollup

…ark-Simulacrum unix_sigpipe: Add test for SIGPIPE disposition in child processes To make it clearer what the impact would be to stop using `SIG_IGN` and instead use a noop handler, like suggested [here](rust-lang#62569 (comment)) and implemented [here](rust-lang#121578). Part of rust-lang#97889

Rollup of 8 pull requests Successful merges: - rust-lang#121148 (Add slice::try_range) - rust-lang#121573 (unix_sigpipe: Add test for SIGPIPE disposition in child processes) - rust-lang#121633 (Win10: Use `GetSystemTimePreciseAsFileTime` directly) - rust-lang#121840 (Expose the Freeze trait again (unstably) and forbid implementing it manually) - rust-lang#121907 (skip sanity check for non-host targets in `check` builds) - rust-lang#122002 (std::threads: revisit stack address calculation on netbsd.) - rust-lang#122108 (Add `target.*.runner` configuration for targets) - rust-lang#122298 (RawVec::into_box: avoid unnecessary intermediate reference) r? `@ghost` `@rustbot` modify labels: rollup

jhpratt · 2024-03-11T07:48:08Z

Failed in #122327: #122327 (comment)

@bors r-

compiletest: Add support for `//@ aux-bin: foo.rs` Which enables ui tests to use auxiliary binaries. See the added self-test for an example. This is an enabler for the test in rust-lang#121573.

Rollup merge of rust-lang#122634 - Enselic:aux-bin, r=oli-obk compiletest: Add support for `//@ aux-bin: foo.rs` Which enables ui tests to use auxiliary binaries. See the added self-test for an example. This is an enabler for the test in rust-lang#121573.

bors · 2024-03-19T20:02:40Z

☔ The latest upstream changes (presumably #122735) made this pull request unmergeable. Please resolve the merge conflicts.

Enselic · 2024-03-20T06:42:57Z

@Mark-Simulacrum After rebasing on #122634 the only commit left in this PR is the test itself (which is now a regular run-pass ui test) which you more or less already approved, so would be great if you could take another look.

Mark-Simulacrum

r=me if we really need the extra ignore

Mark-Simulacrum · 2024-03-24T14:44:19Z

tests/ui/attributes/unix_sigpipe/unix_sigpipe-and-child-processes.rs

@@ -0,0 +1,56 @@
+//@ revisions: default sig_dfl sig_ign inherit
+//@ ignore-cross-compile because we run the compiled code


This isn't present in most run-pass tests, so what makes this one special?

Turns out it is not run-pass that is the problem here, because the following run-pass and aux-build test passes in cross-compilation context:

src/ci/docker/run.sh --dev armhf-gnu ../x test --target arm-unknown-linux-gnueabihf tests/ui/cross-crate/reexported-static-methods-cross-crate.rs

Instead, it is aux-bin that does not support cross compilation yet. For example, remote-test-client does not yet know how to upload auxiliary binaries to the target device. That it something that would be nice to solve, but it does not block this PR. I updated the motivation for the ignore.

I would be happy to @bors r=Mark-Simulacrum the latest commit but you'll need to @bors delegate=Enselic first.

Sounds good, thanks.

… run-pass

For robustness, also test the disposition in our own process even if other tests in `tests/ui/attributes/unix_sigpipe` already covers it.

Mark-Simulacrum · 2024-03-30T12:28:13Z

@bors r+ rollup

bors · 2024-03-30T12:28:16Z

📌 Commit 71eb763 has been approved by Mark-Simulacrum

It is now in the queue for this repository.

…ark-Simulacrum unix_sigpipe: Add test for SIGPIPE disposition in child processes To make it clearer what the impact would be to stop using `SIG_IGN` and instead use a noop handler, like suggested [here](rust-lang#62569 (comment)) and implemented [here](rust-lang#121578). Part of rust-lang#97889

…iaskrgr Rollup of 5 pull requests Successful merges: - rust-lang#121573 (unix_sigpipe: Add test for SIGPIPE disposition in child processes) - rust-lang#123170 (Replace regions in const canonical vars' types with `'static` in next-solver canonicalizer) - rust-lang#123200 (KCFI: Require -C panic=abort) - rust-lang#123201 (Improve wording in std::any explanation) - rust-lang#123224 (compiletest: print reason for failing to read tests) r? `@ghost` `@rustbot` modify labels: rollup

Rollup merge of rust-lang#121573 - Enselic:sigpipe-child-process, r=Mark-Simulacrum unix_sigpipe: Add test for SIGPIPE disposition in child processes To make it clearer what the impact would be to stop using `SIG_IGN` and instead use a noop handler, like suggested [here](rust-lang#62569 (comment)) and implemented [here](rust-lang#121578). Part of rust-lang#97889

rustbot assigned Mark-Simulacrum Feb 25, 2024

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Enselic mentioned this pull request Feb 25, 2024

DRAFT: Use a noop SIGPIPE handler instead of SIG_IGN #121578

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deltragon reviewed Feb 25, 2024

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tests/run-make/sigpipe-in-child-processes/main.rs Outdated Show resolved Hide resolved

Enselic force-pushed the sigpipe-child-process branch 2 times, most recently from 9dfde0f to 527be25 Compare February 25, 2024 11:08

Enselic mentioned this pull request Mar 9, 2024

Tracking Issue for unix_sigpipe #97889

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Stabilize #[unix_sigpipe = "sig_dfl"] on fn main() #120832

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Rollup of 5 pull requests #122289

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Rollup of 8 pull requests #122327

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Enselic force-pushed the sigpipe-child-process branch from 527be25 to 65eb51c Compare March 11, 2024 19:04

rustbot added A-testsuite Area: The testsuite used to check the correctness of rustc T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Mar 11, 2024

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Enselic mentioned this pull request Mar 17, 2024

compiletest: Add support for //@ aux-bin: foo.rs #122634

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Enselic force-pushed the sigpipe-child-process branch from 0dc26de to 3095794 Compare March 20, 2024 05:21

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Enselic added 2 commits March 25, 2024 06:23

test-aux-bin.rs: Clarify that it is aux-bin that blocks cross-compile…

a2a2f30

… run-pass

unix_sigpipe: Add test for SIGPIPE disposition in child processes

71eb763

For robustness, also test the disposition in our own process even if other tests in `tests/ui/attributes/unix_sigpipe` already covers it.

Enselic force-pushed the sigpipe-child-process branch from 3095794 to 71eb763 Compare March 25, 2024 05:26

Enselic added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. labels Mar 25, 2024

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This was referenced Mar 30, 2024

Rollup of 4 pull requests #123229

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Rollup of 5 pull requests #123230

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bors merged commit 5977d63 into rust-lang:master Mar 30, 2024
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unix_sigpipe: Add test for SIGPIPE disposition in child processes #121573

unix_sigpipe: Add test for SIGPIPE disposition in child processes #121573

Enselic commented Feb 25, 2024 •

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bors commented Mar 30, 2024

		@@ -0,0 +1,56 @@
		//@ revisions: default sig_dfl sig_ign inherit
		//@ ignore-cross-compile because we run the compiled code

unix_sigpipe: Add test for SIGPIPE disposition in child processes #121573

unix_sigpipe: Add test for SIGPIPE disposition in child processes #121573

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