WAIT_EVENT(9)                             Driver Basics                             WAIT_EVENT(9)



NAME
       wait_event - sleep until a condition gets true

SYNOPSIS
       wait_event(wq, condition);

ARGUMENTS
       wq
           the waitqueue to wait on

       condition
           a C expression for the event to wait for

DESCRIPTION
       The process is put to sleep (TASK_UNINTERRUPTIBLE) until the condition evaluates to true.
       The condition is checked each time the waitqueue wq is woken up.

       wake_up has to be called after changing any variable that could change the result of the
       wait condition.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                             WAIT_EVENT(9)