Remove GetCurrentProcessId's frame_in_std check #3716
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…ecessary std frame restriction
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@rustbot ready |
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Yeah not sure why we made that function std-only... thanks for the PR! @bors r+ |
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Most of the support required to close #1727 was actually added a while back, in #2215.
However, for some reason, even though the Unix/Linux syscall equivalent has no
frame_in_std()check, the WindowsGetCurrentProcessIdcheck did. While the vast majority of use cases usestd::process::id, there's no particular reason to penalize any Windows code that is no_std or for whatever other reason choses to call the function directly (e.g. via the generated windows-sys method). The emulation should still work fine. Given there's no reason not to, we might as well simplify the code a tiny bit and save that branch / frame check during runtime too.This PR removes the
frame_in_stdrestriction forGetCurrentProcessId, and also moves it into the environment related shim section per discussion in #1727 (comment).Still passes existing tests/pass/getpid.rs test.
Closes #1727 unless we wish to give a dummy value when isolated, which we don't seem to want to do at this time.