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| author | 许杰友 Jieyou Xu (Joe) <39484203+jieyouxu@users.noreply.github.com> | 2025-03-05 21:46:40 +0800 |
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| committer | GitHub <noreply@github.com> | 2025-03-05 21:46:40 +0800 |
| commit | fde23c87a55fa82378e15fa2ad7069fced1f978b (patch) | |
| tree | d81398c9d10b74ed076d4ada7c6e2385f2895b79 /compiler/rustc_llvm/llvm-wrapper/Linker.cpp | |
| parent | 5df9a9f45ce637e820c0e995af3fdda6da5ab01b (diff) | |
| parent | b34054511401f7aed8e76b8d5663651b5b4ced2a (diff) | |
| download | rust-fde23c87a55fa82378e15fa2ad7069fced1f978b.tar.gz rust-fde23c87a55fa82378e15fa2ad7069fced1f978b.zip | |
Rollup merge of #137463 - sunshowers:illumos-posix-spawn, r=Mark-Simulacrum
[illumos] attempt to use posix_spawn to spawn processes illumos has `posix_spawn`, and the very newest versions also have `_addchdir`, so use that. POSIX standardized this function so I also added a weak symbol lookup for the non `_np` version. (illumos has both.) This probably also works on Solaris, but I don't have access to an installation to validate this so I decided to focus on illumos instead. This is a nice ~4x performance improvement for process creation. My go-to as usual is nextest against the clap repo, which acts as a stress test for process creation -- with [this commit]: ```console $ cargo nextest run -E 'not test(ui_tests) and not test(example_tests)' before: Summary [ 1.747s] 879 tests run: 879 passed, 2 skipped after: Summary [ 0.445s] 879 tests run: 879 passed, 2 skipped ``` [this commit]: https://github.com/clap-rs/clap/commit/fde45f9aea766fb8de46e3d46e6575f393c3b6b9
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