title: some information on timer_helper_thread() of librt.so.1
body: <p><br>
  Can anybody give some information on timer_helper_thread() function of librt.so.1.<br>
  I am using posix timer_create() function in my application for timer functionality and i am using SIEV_THREAD for notifiction. When timeout happens, i could see in gdb that two thread are getting created. One is the thread whose start function i have specified and another is the thread whose start function is timer_help_therad() of librt.so.1. Among these two timer_helper_thread() is not exiting even after my thread is exiting. Can anbody tell me when will timer_helper_thread() exit and give some informatin on it?</p>