about the sys_execve()

["R.wen" <rwen2012@xxxxxxxxx>]

HI， all

   it seems sys_execve() do not close the file descriptors 0, 1, 2 by
default.
But I can not  find where the kernel do that. Can anyone tell me where
is it in the source code OR which function do that?

 Thanks.

  Best regard.

R.wen