diff options
Diffstat (limited to 'sys/dev/wscons/event.c')
| -rw-r--r-- | sys/dev/wscons/event.c | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/sys/dev/wscons/event.c b/sys/dev/wscons/event.c index 614704b3f9d..57874c90736 100644 --- a/sys/dev/wscons/event.c +++ b/sys/dev/wscons/event.c @@ -1,5 +1,5 @@ -/* $OpenBSD: event.c,v 1.2 1996/07/29 23:02:48 niklas Exp $ */ -/* $NetBSD: event.c,v 1.1.4.1 1996/05/29 22:26:54 cgd Exp $ */ +/* $OpenBSD: event.c,v 1.3 1996/10/30 22:41:36 niklas Exp $ */ +/* $NetBSD: event.c,v 1.3 1996/09/15 17:15:26 cgd Exp $ */ /* * Copyright (c) 1992, 1993 @@ -55,6 +55,10 @@ #include <sys/proc.h> #include <sys/systm.h> #include <sys/vnode.h> +#include <sys/select.h> +#ifdef notyet +#include <sys/poll.h> +#endif #include <machine/vuid_event.h> #include <alpha/wscons/event_var.h> @@ -85,7 +89,7 @@ ev_fini(ev) } /* - * User-level interface: read, select. + * User-level interface: read, poll. * (User cannot write an event queue.) */ int @@ -145,6 +149,26 @@ ev_read(ev, uio, flags) return (error); } +#ifdef notyet +int +ev_poll(ev, events, p) + register struct evvar *ev; + int events; + struct proc *p; +{ + int revents = 0; + int s = splev(); + + if (events & (POLLIN | POLLRDNORM)) + if (ev->ev_get != ev->ev_put) + revents |= events & (POLLIN | POLLRDNORM); + else + selrecord(p, &ev->ev_sel); + + splx(s); + return (revents); +} +#else int ev_select(ev, rw, p) register struct evvar *ev; @@ -171,3 +195,4 @@ ev_select(ev, rw, p) splx(s); return (0); } +#endif |