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