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/*-
* Copyright (c) 2006-2016 Maxim Sobolev <sobomax@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include <sys/param.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/bio.h>
#include <sys/proc.h>
#include <sys/sched.h>
#include <sys/kthread.h>
#include <sys/malloc.h>
#include <geom/uzip/g_uzip.h>
#include <geom/uzip/g_uzip_softc.h>
#include <geom/uzip/g_uzip_wrkthr.h>
void
g_uzip_wrkthr(void *arg)
{
struct g_uzip_softc *sc;
struct bio *bp;
sc = (struct g_uzip_softc *)arg;
thread_lock(curthread);
sched_prio(curthread, PRIBIO);
thread_unlock(curthread);
for (;;) {
mtx_lock(&sc->queue_mtx);
if (sc->wrkthr_flags & GUZ_SHUTDOWN) {
sc->wrkthr_flags |= GUZ_EXITING;
mtx_unlock(&sc->queue_mtx);
kproc_exit(0);
}
bp = bioq_takefirst(&sc->bio_queue);
if (!bp) {
msleep(sc, &sc->queue_mtx, PRIBIO | PDROP,
"wrkwait", 0);
continue;
}
mtx_unlock(&sc->queue_mtx);
sc->uzip_do(sc, bp);
}
}
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