workqueue_create(9)
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WORKQUEUE_CREATE(9) NetBSD Kernel Developer's Manual WORKQUEUE_CREATE(9)
NAME
workqueue_create -- Create a workqueue
SYNOPSIS
#include <sys/workqueue.h>
int
workqueue_create(struct workqueue **wqp, const char *name,
void (*func)(struct work *, void *), void *arg, pri_t prio, int ipl,
int flags);
DESCRIPTION
workqueue_create() creates a workqueue. It takes the following argu-
ments.
wqp Specify where to store the created workqueue.
name The name of the workqueue.
func The function to be called for each work.
arg An argument to be passed as a second argument of func.
prio The process priority to be used when sleeping to wait requests.
ipl The highest IPL at which this workqueue is used.
flags The value of 0 indicates a standard create operation, however the
following flags may be bitwise ORed together:
WQ_MPSAFE Specifies that the workqueue is multiprocessor safe and
does its own locking, otherwise the kernel lock will be
held while work will be processed.
WQ_PERCPU Specifies that the workqueue should have a separate
queue for each CPU, thus the work could be enqueued on
concrete CPUs.
RETURN VALUES
workqueue_create() returns 0 on success. Otherwise, it returns an
errno(2).
SEE ALSO
errno(2), condvar(9), intro(9), workqueue(9)
NetBSD 5.2 August 5, 2007 NetBSD 5.2
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