On Mon, 24 Feb 2014, ?????? wrote:

> ok, I modify my code and add sleep(1) after create threads . Now all of the
> threads init successfully. It does not return 2. It seems that if init too
> many at one time , it will init fail.

That doesn't make much sense to me, but it makes things work for you...

-- 
  / daniel.haxx.se
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