WAIT_EVENT_INTERRUPT(9) Driver Basics WAIT_EVENT_INTERRUPT(9) NAME wait_event_interruptible - sleep until a condition gets true SYNOPSIS wait_event_interruptible(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_INTERRUPTIBLE) until the condition evaluates to true or a signal is received. 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. The function will return -ERESTARTSYS if it was interrupted by a signal and 0 if condition evaluated to true. COPYRIGHT Kernel Hackers Manual 3.11 November 2013 WAIT_EVENT_INTERRUPT(9)[top]
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