Remove `posix_spawn*` on tvOS and watchOS?
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Description
Apple's spawn.h header marks the posix_spawn* symbols as __API_UNAVAILABLE(watchos, tvos), so we probably shouldn't expose them on those platforms.
Currently though, the standard library uses these symbols, so it seems that this is not enforced very strictly? We should ask Apple (I'll file a FB when I get the time), but in any case, the standard library will have to be updated before we can cfg-gate these away.
Split out from https://github.com/rust-lang/libc/pull/5158.
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Research direction
Review the context in PR #5158 and Apple's spawn.h annotations for the posix_spawn* symbols on tvOS and watchOS. Check the standard library's current use of these symbols and the required coordination before adding cfg-gating; the work is done when the bindings and standard library agree with the platform availability.
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Assessment
- Tech stack
- rust
- Domain
- operating-systems
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Quiet
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100