centos man page for wait_event_interruptible_locked

Query: wait_event_interruptible_locked

OS: centos

Section: 9

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

WAIT_EVENT_INTERRUPT(9) 					   Driver Basics					   WAIT_EVENT_INTERRUPT(9)

NAME
wait_event_interruptible_locked - sleep until a condition gets true
SYNOPSIS
wait_event_interruptible_locked(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. It must be called with wq.lock being held. This spinlock is unlocked while sleeping but condition testing is done while lock is held and when this macro exits the lock is held. The lock is locked/unlocked using spin_lock/spin_unlock functions which must match the way they are locked/unlocked outside of this macro. wake_up_locked 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 3.10 June 2014 WAIT_EVENT_INTERRUPT(9)
Related Man Pages
_lwp_cond_broadcast(2) - sunos
_lwp_cond_broadcast(2) - opensolaris
msem_lock(2) - hpux
pthread_cond_broadcast(3t) - hpux
pthread_cond_signal(3t) - hpux
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