wait_event(9) 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