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Detect atomic support using target_has_atomic #1586

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@joshlf joshlf commented Aug 9, 2024

Implements TryFromBytes and FromZeros for AtomicPtr; FromBytes and IntoBytes are blocked by #170.

This is adapted from @josephlr's similar implementation in #1091.

Fixes #1086

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joshlf commented Aug 10, 2024

As-is, this does not put all uses of atomics behind cfgs. There are still uses in lib.rs and util.rs. I'll need to migrate those before this is ready.

Base automatically changed from impl-for-transparent-wrapper-soundness to main August 13, 2024 00:33
@joshlf joshlf force-pushed the target-has-atomic branch 3 times, most recently from df53350 to ea6621a Compare August 16, 2024 23:57
@joshlf joshlf force-pushed the target-has-atomic branch 2 times, most recently from 3cbe102 to 161a694 Compare August 20, 2024 16:02
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codecov-commenter commented Aug 20, 2024

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 87.70%. Comparing base (e29fb6a) to head (5205f60).

Additional details and impacted files
@@           Coverage Diff           @@
##             main    #1586   +/-   ##
=======================================
  Coverage   87.70%   87.70%           
=======================================
  Files          15       15           
  Lines        5565     5565           
=======================================
  Hits         4881     4881           
  Misses        684      684           

☔ View full report in Codecov by Sentry.
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@joshlf joshlf force-pushed the target-has-atomic branch 3 times, most recently from 0bc9d36 to c3e7afc Compare August 20, 2024 18:17
@joshlf joshlf marked this pull request as ready for review August 20, 2024 18:23
@joshlf joshlf added this pull request to the merge queue Aug 20, 2024
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@joshlf joshlf added this pull request to the merge queue Aug 20, 2024
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@joshlf joshlf enabled auto-merge August 20, 2024 19:22
@joshlf joshlf added this pull request to the merge queue Aug 20, 2024
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@joshlf joshlf enabled auto-merge August 20, 2024 20:23
@joshlf joshlf added this pull request to the merge queue Aug 20, 2024
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@joshlf joshlf enabled auto-merge August 20, 2024 20:51
@joshlf joshlf force-pushed the target-has-atomic branch 4 times, most recently from 8dc08a2 to 50f3cb6 Compare August 20, 2024 23:36
@joshlf joshlf disabled auto-merge August 20, 2024 23:39
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@joshlf joshlf added this pull request to the merge queue Aug 20, 2024
Implements `TryFromBytes` and `FromZeros` for `AtomicPtr`; `FromBytes`
and `IntoBytes` are blocked by #170.

This is adapted from @josephlr's similar implementation in #1092.

Fixes #1086

Co-authored-by: Joe Richey <[email protected]>
@joshlf joshlf removed this pull request from the merge queue due to a manual request Aug 20, 2024
@joshlf joshlf enabled auto-merge August 20, 2024 23:54
@joshlf joshlf added this pull request to the merge queue Aug 20, 2024
Merged via the queue into main with commit 63b380c Aug 21, 2024
74 checks passed
@joshlf joshlf deleted the target-has-atomic branch August 21, 2024 00:15
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Build failure in v0.8.0-alpha.7 on Cortex M
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