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We don't need to call dcons_poll event handlers if KDB is not active.

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Approved by: re (kensmith)
This commit is contained in:
Hidetoshi Shimokawa 2007-08-17 05:32:39 +00:00
parent f183dbca4f
commit ff038e3a82
1 changed files with 9 additions and 3 deletions
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12
sys/dev/dcons/dcons_os.c
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@ -241,11 +241,10 @@ dcons_check_break(struct dcons_softc *dc, int c)
#endif
static int
dcons_os_checkc(struct dcons_softc *dc)
dcons_os_checkc_nopoll(struct dcons_softc *dc)
{
int c;
EVENTHANDLER_INVOKE(dcons_poll, 0);
if (dg.dma_tag != NULL)
bus_dmamap_sync(dg.dma_tag, dg.dma_map, BUS_DMASYNC_POSTREAD);
@ -257,6 +256,13 @@ dcons_os_checkc(struct dcons_softc *dc)
return (c);
}
static int
dcons_os_checkc(struct dcons_softc *dc)
{
EVENTHANDLER_INVOKE(dcons_poll, 0);
return (dcons_os_checkc_nopoll(dc));
}
#if defined(GDB) || !defined(CONS_NODEV)
static int
dcons_os_getc(struct dcons_softc *dc)
@ -408,7 +414,7 @@ dcons_timeout(void *v)
for (i = 0; i < DCONS_NPORT; i ++) {
dc = &sc[i];
tp = ((DEV)dc->dev)->si_tty;
while ((c = dcons_os_checkc(dc)) != -1)
while ((c = dcons_os_checkc_nopoll(dc)) != -1)
if (tp->t_state & TS_ISOPEN)
#if __FreeBSD_version < 502113
(*linesw[tp->t_line].l_rint)(c, tp);