P3 Thomas Stuefe writes:
On Linux, pthread id is set in the parent thread, after pthread_create returns. Only the kernel thread id is set by the child (I find this duality confusing). thread_cpu_time uses pthread_id. So, on Linux, it may or may not be set before the thread stack boundaries are initialized, depending on whether the native entry function ran before the parent thread continued.
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So it is still possible to see a zero pthread_t for the new thread..
- duplicates
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JDK-8214097 Rework thread initialization and teardown logic
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- Resolved
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- relates to
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- Resolved
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JDK-8212207 runtime/InternalApi/ThreadCpuTimesDeadlock.java crashes with SEGV in pthread_getcpuclockid+0x0
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- Resolved
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