gh-142399: Lock both so and otherset when setting a symmetric difference #142400
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Most changes to Python require a NEWS entry. Add one using the blurb_it web app or the blurb command-line tool. If this change has little impact on Python users, wait for a maintainer to apply the |
AZero13
changed the title
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Most changes to Python require a NEWS entry. Add one using the blurb_it web app or the blurb command-line tool. If this change has little impact on Python users, wait for a maintainer to apply the |
…ifference Only so is locked, which leaves otherset vulnerable.
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Most changes to Python require a NEWS entry. Add one using the blurb_it web app or the blurb command-line tool. If this change has little impact on Python users, wait for a maintainer to apply the |
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| Py_BEGIN_CRITICAL_SECTION(so); | ||
| Py_BEGIN_CRITICAL_SECTION2(so, otherset); |
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The other has just been created, so there are no other threads that have a reference. Is locking required then?
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Only so is locked, which leaves otherset vulnerable.