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linux: destroy native CPU client after thread start

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The native CPU client holds a capability reference and the reference
counter of the capability can reach its limit when many threads are
successively created and destroyed (destroyed by the Linux kernel).

Fixes #2886
This commit is contained in:
Christian Prochaska 2018-06-26 12:01:51 +02:00 committed by Norman Feske
parent 25b47758b7
commit 2f7e421eed
1 changed files with 4 additions and 2 deletions
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6
repos/base-linux/src/lib/base/thread_linux.cc
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@ -68,8 +68,10 @@ void Thread::_thread_start()
lx_sigaction(LX_SIGUSR1, empty_signal_handler, false); lx_sigaction(LX_SIGUSR1, empty_signal_handler, false);
/* inform core about the new thread and process ID of the new thread */ /* inform core about the new thread and process ID of the new thread */
Linux_native_cpu_client native_cpu(thread->_cpu_session->native_cpu()); {
native_cpu.thread_id(thread->cap(), thread->native_thread().pid, thread->native_thread().tid); Linux_native_cpu_client native_cpu(thread->_cpu_session->native_cpu());
native_cpu.thread_id(thread->cap(), thread->native_thread().pid, thread->native_thread().tid);
}
/* wakeup 'start' function */ /* wakeup 'start' function */
startup_lock().unlock(); startup_lock().unlock();