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Add extern "abi" fn type to represent C pointers #3321

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nikomatsakis opened this issue Aug 31, 2012 · 3 comments
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Add extern "abi" fn type to represent C pointers #3321

nikomatsakis opened this issue Aug 31, 2012 · 3 comments
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A-type-system Area: Type system C-enhancement Category: An issue proposing an enhancement or a PR with one.

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@nikomatsakis
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Per the recent weekly meeting, we should add a type to represent C style function pointers. This type should carry an ABI. This will be the type of extern functions from C code and we will no longer generate wrappers. We will allow this type to be coerced into a Rust closure, generating the stack-switching code. Finally, top-level Rust fn items will be usable as this type, in which case we will generate the thunk to do the stack-switch in the reverse direction.
@nikomatsakis nikomatsakis mentioned this issue Oct 6, 2012
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@pnkfelix
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This still needs to be implemented, but its not a blocker for 0.6

@alexcrichton
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Nominating for the feature complete milestone

@nikomatsakis
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Already implemented. I am working on a patch for the last piece, which is #3678.

RalfJung pushed a commit to RalfJung/rust that referenced this issue Mar 3, 2024
@bors
Auto merge of rust-lang#3321 - RalfJung:macos-time, r=RalfJung
8d74063 
more dealing with macOS CI runners being slow

500ms seems to still sometimes not enough... so let's double it...
jaisnan pushed a commit to jaisnan/rust-dev that referenced this issue Jul 29, 2024
@adpaco-aws
CI: Allow use of node16 for release jobs (rust-lang#3322)
107daa7 
actions/checkout@v3 is causing trouble in the `BuildBundle-Linux`
workflow as described in rust-lang#3321 .

This PR sets `ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION: true` to continue
using `node16` so we don't find issues with `node20` dependencies in
`ubuntu-18.04` jobs. This is the option recommended in this GitHub post:
https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/

Resolves rust-lang#3321
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@alexcrichton @nikomatsakis @pnkfelix