C++ (Cpp) mcd_doreadの例

コード例 #1

ファイル: mcd.c プロジェクト: MarginC/kame

static void
mcd_start(struct mcd_softc *sc)
{
	struct bio *bp;
	int s = splbio();

	if (sc->data.flags & MCDMBXBSY) {
		splx(s);
		return;
	}

	bp = bioq_first(&sc->data.head);
	if (bp != 0) {
		/* block found to process, dequeue */
		/*MCD_TRACE("mcd_start: found block bp=0x%x\n",bp,0,0,0);*/
		bioq_remove(&sc->data.head, bp);
		sc->data.flags |= MCDMBXBSY;
		splx(s);
	} else {
		/* nothing to do */
		splx(s);
		return;
	}

	sc->data.mbx.retry = MCD_RETRYS;
	sc->data.mbx.bp = bp;

	mcd_doread(sc, MCD_S_BEGIN,&(sc->data.mbx));
	return;
}

コード例 #2

ファイル: mcd.c プロジェクト: LynYang/freebsd

static void
mcd_start(struct mcd_softc *sc)
{
	struct bio *bp;

	MCD_ASSERT_LOCKED(sc);
	if (sc->data.flags & MCDMBXBSY) {
		return;
	}

	bp = bioq_takefirst(&sc->data.head);
	if (bp != 0) {
		/* block found to process, dequeue */
		/*MCD_TRACE("mcd_start: found block bp=0x%x\n",bp,0,0,0);*/
		sc->data.flags |= MCDMBXBSY;
	} else {
		/* nothing to do */
		return;
	}

	sc->data.mbx.retry = MCD_RETRYS;
	sc->data.mbx.bp = bp;

	mcd_doread(sc, MCD_S_BEGIN,&(sc->data.mbx));
	return;
}

コード例 #3

ファイル: mcd.c プロジェクト: MarginC/kame

/* state machine to process read requests
 * initialize with MCD_S_BEGIN: calculate sizes, and read status
 * MCD_S_WAITSTAT: wait for status reply, set mode
 * MCD_S_WAITMODE: waits for status reply from set mode, set read command
 * MCD_S_WAITREAD: wait for read ready, read data
 */
static void
mcd_timeout(void *arg)
{
	struct mcd_softc *sc;

	sc = (struct mcd_softc *)arg;

	mcd_doread(sc, sc->ch_state, sc->ch_mbxsave);
}

コード例 #4

ファイル: mcd.c プロジェクト: LynYang/freebsd

/* state machine to process read requests
 * initialize with MCD_S_BEGIN: calculate sizes, and read status
 * MCD_S_WAITSTAT: wait for status reply, set mode
 * MCD_S_WAITMODE: waits for status reply from set mode, set read command
 * MCD_S_WAITREAD: wait for read ready, read data
 */
static void
mcd_timeout(void *arg)
{
	struct mcd_softc *sc;

	sc = (struct mcd_softc *)arg;

	MCD_ASSERT_LOCKED(sc);
	mcd_doread(sc, sc->ch_state, sc->ch_mbxsave);
}