title: gdb how to get thread name displayed
body: <p>There are many threads created in my application. some of the threads name are visible in the gdb while i execute the command 'info threads', others are not displayed. How to get all the thread name itself instead of the hex value like 0xb7fe1424</p>
  
  <pre><code>4 Thread 0xb68ffb70 (LWP 18377)  0xb7fe1424 in __kernel_vsyscall ()
  * 3 Thread 0xb7291b70 (LWP 18375)  JKMainT (arg=0x0) at mylib.cpp:482
  2 Thread 0xb7a92b70 (LWP 18374)  0xb7fe1424 in __kernel_vsyscall ()
  1 Thread 0xb7a94730 (LWP 18371)  0xb7fe1424 in __kernel_vsyscall ()
  </code></pre>