[Issue 13416] dead-lock in FreeBSD suspend handler

via Digitalmars-d-bugs digitalmars-d-bugs at puremagic.com
Sat Dec 6 16:26:57 PST 2014


https://issues.dlang.org/show_bug.cgi?id=13416

--- Comment #5 from Martin Nowak <code at dawg.eu> ---
Fairly simple to reproduce the problem.

cat > bug.d << CODE
import core.thread, core.sys.posix.pthread, core.stdc.stdio;

void loop()
{
  pthread_attr_t attr;
  pthread_attr_init(&attr);
  auto thr = pthread_self();
  while (true)
    pthread_attr_get_np(thr, &attr);
}

void main()
{
  auto thr = new Thread(&loop).start();
  while (true)
  {
      thread_suspendAll();
      thread_resumeAll();
      printf(".");
  }
}
CODE

dmd -run bug

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