ucontext usage update on macos 64 bits. #2817
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r? @Amanieu (rust-highfive has picked a reviewer for you, use r? to override) |
devnexen
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src/unix/bsd/apple/b64/mod.rs
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| @@ -109,6 +109,9 @@ extern "C" { | |||
| path2: *const ::c_char, | |||
| options: ::c_uint, | |||
| ) -> ::c_int; | |||
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| #[allow(deprecated)] | |||
libc-test/build.rs
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| // deprecated api | ||
| "getcontext" => true, |
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I'm not sure if adding a deprecated API is a good idea. If there are no good alternatives, users should report it upstream, adding it here just delays the problem.
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I hesitated to be honest.
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There isn't any good alternative afaik, and I'm not sure if Apple cares about low-level APIs enough to provide one
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My concern is that deprecated items are likely to be removed, i.e. they would introduce a breaking change. Such a code should belong to userland IMHO.
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@devnexen By the way, we don't have to ignore it on the test anymore, right?
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JohnTitor
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ucontext usage update on macos 64 bits. closes #2812
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💔 Test failed - checks-actions |
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crates.io failure @bors retry |
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☀️ Test successful - checks-actions, checks-cirrus-freebsd-12, checks-cirrus-freebsd-13 |
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Aug 15, 2023
This commit effectively reverts #2817. Currently `ucontext_t` has both the wrong size and the wrong alignment for aarch64-apple-darwin which causes problems for users referencing the structure [1]. The issue linked from #2817 claimed that it fixed #2812 but that's still an issue where FFI warnings are still emitted for usage of `ucontext_t` due to its transitive usage of `u128`. I'm not sure how to fix #2812 myself, but given that #2817 doesn't appear to solve its original intent and additionally the size/align are currently wrong this commit reverts in the meantime. [1]: bytecodealliance/wasmtime#6785 (comment)
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…ohnTitor Fix size/align of `ucontext_t` on aarch64-apple-darwin This commit effectively reverts #2817. Currently `ucontext_t` has both the wrong size and the wrong alignment for aarch64-apple-darwin which causes problems for users referencing the structure [1]. The issue linked from #2817 claimed that it fixed #2812 but that's still an issue where FFI warnings are still emitted for usage of `ucontext_t` due to its transitive usage of `u128`. I'm not sure how to fix #2812 myself, but given that #2817 doesn't appear to solve its original intent and additionally the size/align are currently wrong this commit reverts in the meantime. [1]: bytecodealliance/wasmtime#6785 (comment)
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…ohnTitor Fix size/align of `ucontext_t` on aarch64-apple-darwin This commit effectively reverts #2817. Currently `ucontext_t` has both the wrong size and the wrong alignment for aarch64-apple-darwin which causes problems for users referencing the structure [1]. The issue linked from #2817 claimed that it fixed #2812 but that's still an issue where FFI warnings are still emitted for usage of `ucontext_t` due to its transitive usage of `u128`. I'm not sure how to fix #2812 myself, but given that #2817 doesn't appear to solve its original intent and additionally the size/align are currently wrong this commit reverts in the meantime. [1]: bytecodealliance/wasmtime#6785 (comment)
xevor11
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Aug 25, 2023
This commit effectively reverts rust-lang#2817. Currently `ucontext_t` has both the wrong size and the wrong alignment for aarch64-apple-darwin which causes problems for users referencing the structure [1]. The issue linked from rust-lang#2817 claimed that it fixed rust-lang#2812 but that's still an issue where FFI warnings are still emitted for usage of `ucontext_t` due to its transitive usage of `u128`. I'm not sure how to fix rust-lang#2812 myself, but given that rust-lang#2817 doesn't appear to solve its original intent and additionally the size/align are currently wrong this commit reverts in the meantime. [1]: bytecodealliance/wasmtime#6785 (comment)
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closes #2812