how rtems_shell_wait_for_input works..

김찬 ckim at
Thu Jan 8 11:42:40 UTC 2015

Can anyone tell me how rtems_shell_wait_for_input function in rtems-4.10.99-src/cpukit/libmisc/shell/shell-wait-for-input.c waits each second?
The read function waits my key but after 1 second returns but I can't understand how it works..
Thanks in advance.

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