[openmp] Segfaults/assertion errors on certain omp statements after calling `omp_pause_resource_all(omp_pause_hard)`#154204

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haiyanghee wants to merge 10 commits intollvm:mainfrom

haiyanghee:ompHardResetBugFixes-mainBranch

Commits on Aug 15, 2025

Fixed mutex segfault after hard reset

Haiyang He
authored and
haiyanghee
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Prevented double atfork() handler initialization

Haiyang He
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haiyanghee
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Commits on Aug 18, 2025

Do not assert failure if `__kmp_unregister_library()` can't find the shm file because we could have unregistered the library right before fork via hard reset, and child can simply exit immediately.
haiyanghee
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Fixed a deadlock in `#pragma omp parallel num_threads` after hard reset

Haiyang He
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haiyanghee
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Added my test cases to test/api/omp_pause_resource.c
haiyanghee
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Commits on Sep 4, 2025

Merge branch 'main' into ompHardResetBugFixes-mainBranch
jprotze
authored

Commits on Sep 5, 2025

Commits on Sep 17, 2025

Revert "Fixed a deadlock in `#pragma omp parallel num_threads` after hard reset"

Haiyang He
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Haiyang He
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Reuse the reset and re-initialize code in `__kmp_atfork_child()` to `__kmp_hard_pause()`

Haiyang He
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Haiyang He
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