diff options
| -rw-r--r-- | sys/arch/i386/isa/pms.c | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/sys/arch/i386/isa/pms.c b/sys/arch/i386/isa/pms.c index 819015eb380..0c2b40cfebb 100644 --- a/sys/arch/i386/isa/pms.c +++ b/sys/arch/i386/isa/pms.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pms.c,v 1.23 1999/05/22 02:11:25 deraadt Exp $ */ +/* $OpenBSD: pms.c,v 1.24 1999/11/22 07:13:56 matthieu Exp $ */ /* $NetBSD: pms.c,v 1.29 1996/05/12 23:12:42 mycroft Exp $ */ /*- @@ -48,6 +48,7 @@ #include <sys/file.h> #include <sys/select.h> #include <sys/proc.h> +#include <sys/signalvar.h> #include <sys/vnode.h> #include <sys/device.h> @@ -97,6 +98,8 @@ struct pms_softc { /* driver status information */ struct clist sc_q; struct selinfo sc_rsel; + struct proc *sc_io; /* process that opened pms (can get SIGIO) */ + char sc_async; /* send SIGIO on input ready */ u_char sc_state; /* mouse driver state */ #define PMS_OPEN 0x01 /* device is open */ #define PMS_ASLP 0x02 /* waiting for mouse data */ @@ -268,6 +271,8 @@ pmsopen(dev, flag, mode, p) sc->sc_status = 0; sc->sc_flags = (PMSTYPE(dev) ? PMS_RAW : 0); sc->sc_x = sc->sc_y = 0; + sc->sc_async = 0; + sc->sc_io = p; /* Enable interrupts. */ pms_dev_cmd(PMS_DEV_ENABLE); @@ -316,6 +321,7 @@ pmsclose(dev, flag, mode, p) pms_aux_cmd(PMS_AUX_DISABLE); sc->sc_state &= ~PMS_OPEN; + sc->sc_io = NULL; clfree(&sc->sc_q); @@ -415,6 +421,19 @@ pmsioctl(dev, cmd, addr, flag, p) error = 0; switch (cmd) { + + case FIONBIO: /* we will remove this someday (soon???) */ + return (0); + + case FIOASYNC: + sc->sc_async = *(int *)addr != 0; + break; + + case TIOCSPGRP: + if (*(int *)addr != sc->sc_io->p_pgid) + return (EPERM); + break; + case MOUSEIOCREAD: s = spltty(); @@ -531,6 +550,10 @@ pmsintr(arg) wakeup((caddr_t)sc); } selwakeup(&sc->sc_rsel); + if (sc->sc_async) { + psignal(sc->sc_io, SIGIO); + } + } break; @@ -550,6 +573,10 @@ pmsintr(arg) wakeup((caddr_t)sc); } selwakeup(&sc->sc_rsel); + if (sc->sc_async) { + psignal(sc->sc_io, SIGIO); + } + } return -1; |