1WAIT_EVENT(9)                    Driver Basics                   WAIT_EVENT(9)
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NAME

6       wait_event - sleep until a condition gets true
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SYNOPSIS

9       wait_event(wq, condition);
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ARGUMENTS

12       wq
13           the waitqueue to wait on
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15       condition
16           a C expression for the event to wait for
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DESCRIPTION

19       The process is put to sleep (TASK_UNINTERRUPTIBLE) until the condition
20       evaluates to true. The condition is checked each time the waitqueue wq
21       is woken up.
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23       wake_up has to be called after changing any variable that could change
24       the result of the wait condition.
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27Kernel Hackers Manual 3.10         June 2019                     WAIT_EVENT(9)
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