Method try_create

src/common/Thread.cc:114–153

}

int Thread::try_create(size_t stacksize)
{
  pthread_attr_t *thread_attr = NULL;
  pthread_attr_t thread_attr_loc;
  
  stacksize &= CEPH_PAGE_MASK;  // must be multiple of page
  if (stacksize) {
    thread_attr = &thread_attr_loc;
    pthread_attr_init(thread_attr);
    pthread_attr_setstacksize(thread_attr, stacksize);
  }

  int r;

  // The child thread will inherit our signal mask.  Set our signal mask to
  // the set of signals we want to block.  (It's ok to block signals more
  // signals than usual for a little while-- they will just be delivered to
  // another thread or delieverd to this thread later.)

  #ifndef _WIN32
  sigset_t old_sigset;
  if (g_code_env == CODE_ENVIRONMENT_LIBRARY) {
    block_signals(NULL, &old_sigset);
  }
  else {
    int to_block[] = { SIGPIPE , 0 };
    block_signals(to_block, &old_sigset);
  }
  r = pthread_create(&thread_id, thread_attr, _entry_func, (void*)this);
  restore_sigset(&old_sigset);
  #else
  r = pthread_create(&thread_id, thread_attr, _entry_func, (void*)this);
  #endif

  if (thread_attr) {
    pthread_attr_destroy(thread_attr);	
  }

  return r;
}

void Thread::create(const char *name, size_t stacksize)
{