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[3.14] gh-154283: Make threading.get_native_id() unique across processes on DragonFly (GH-154287) #154297

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Merged
serhiy-storchaka merged 1 commit into from
Jul 20, 2026
+4 −2
Merged

[3.14] gh-154283: Make threading.get_native_id() unique across processes on DragonFly (GH-154287) #154297

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2 changes: 2 additions & 0 deletions Misc/NEWS.d/next/Library/2026-07-20-21-36-40.gh-issue-154283.Xip7xE.rst
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Original file line number Diff line number Diff line change
@@ -0,0 +1,2 @@
On DragonFly BSD, :func:`threading.get_native_id` now returns a value that is
unique across processes, matching the other platforms.
4 changes: 2 additions & 2 deletions Python/thread_pthread.h
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Original file line number Diff line number Diff line change
Expand Up @@ -407,8 +407,8 @@ PyThread_get_thread_native_id(void)
lwpid_t native_id;
native_id = _lwp_self();
#elif defined(__DragonFly__)
lwpid_t native_id;
native_id = lwp_gettid();
// lwp_gettid() is only unique within a process, so combine it with the pid.
unsigned long native_id = (unsigned long)getpid() << 32 | lwp_gettid();
#endif
return (unsigned long) native_id;
}
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