- Make the code consistent with itself style-wise and bring it closer

to style(9).
- Mark unused arguments as such.
- Make the ttystates table const.
This commit is contained in:
Marius Strobl 2016-01-25 22:58:06 +00:00
parent fc2c2cd9e3
commit 57169cea64
3 changed files with 94 additions and 48 deletions

View File

@ -57,6 +57,16 @@ static cn_putc_t uart_cnputc;
static cn_grab_t uart_cngrab;
static cn_ungrab_t uart_cnungrab;
static tsw_open_t uart_tty_open;
static tsw_close_t uart_tty_close;
static tsw_outwakeup_t uart_tty_outwakeup;
static tsw_inwakeup_t uart_tty_inwakeup;
static tsw_ioctl_t uart_tty_ioctl;
static tsw_param_t uart_tty_param;
static tsw_modem_t uart_tty_modem;
static tsw_free_t uart_tty_free;
static tsw_busy_t uart_tty_busy;
CONSOLE_DRIVER(uart);
static struct uart_devinfo uart_console;
@ -157,7 +167,7 @@ uart_tty_close(struct tty *tp)
struct uart_softc *sc;
sc = tty_softc(tp);
if (sc == NULL || sc->sc_leaving || !sc->sc_opened)
if (sc == NULL || sc->sc_leaving || !sc->sc_opened)
return;
if (sc->sc_hwiflow)
@ -169,7 +179,6 @@ uart_tty_close(struct tty *tp)
wakeup(sc);
sc->sc_opened = 0;
return;
}
static void
@ -215,7 +224,8 @@ uart_tty_inwakeup(struct tty *tp)
}
static int
uart_tty_ioctl(struct tty *tp, u_long cmd, caddr_t data, struct thread *td)
uart_tty_ioctl(struct tty *tp, u_long cmd, caddr_t data,
struct thread *td __unused)
{
struct uart_softc *sc;
@ -256,8 +266,8 @@ uart_tty_param(struct tty *tp, struct termios *t)
}
stopbits = (t->c_cflag & CSTOPB) ? 2 : 1;
if (t->c_cflag & PARENB)
parity = (t->c_cflag & PARODD) ? UART_PARITY_ODD
: UART_PARITY_EVEN;
parity = (t->c_cflag & PARODD) ? UART_PARITY_ODD :
UART_PARITY_EVEN;
else
parity = UART_PARITY_NONE;
if (UART_PARAM(sc, t->c_ospeed, databits, stopbits, parity) != 0)
@ -285,7 +295,7 @@ uart_tty_modem(struct tty *tp, int biton, int bitoff)
sc = tty_softc(tp);
if (biton != 0 || bitoff != 0)
UART_SETSIG(sc, SER_DELTA(bitoff|biton) | biton);
UART_SETSIG(sc, SER_DELTA(bitoff | biton) | biton);
return (sc->sc_hwsig);
}
@ -344,7 +354,7 @@ uart_tty_intr(void *arg)
}
static void
uart_tty_free(void *arg)
uart_tty_free(void *arg __unused)
{
/*
@ -359,7 +369,7 @@ static bool
uart_tty_busy(struct tty *tp)
{
struct uart_softc *sc;
sc = tty_softc(tp);
if (sc == NULL || sc->sc_leaving)
return (FALSE);

View File

@ -175,6 +175,7 @@ tty_drain(struct tty *tp, int leaving)
static __inline int
ttydev_enter(struct tty *tp)
{
tty_lock(tp);
if (tty_gone(tp) || !tty_opened(tp)) {
@ -189,6 +190,7 @@ ttydev_enter(struct tty *tp)
static void
ttydev_leave(struct tty *tp)
{
tty_lock_assert(tp, MA_OWNED);
if (tty_opened(tp) || tp->t_flags & TF_OPENCLOSE) {
@ -234,7 +236,8 @@ ttydev_leave(struct tty *tp)
* Operations that are exposed through the character device in /dev.
*/
static int
ttydev_open(struct cdev *dev, int oflags, int devtype, struct thread *td)
ttydev_open(struct cdev *dev, int oflags, int devtype __unused,
struct thread *td)
{
struct tty *tp;
int error;
@ -330,7 +333,8 @@ done: tp->t_flags &= ~TF_OPENCLOSE;
}
static int
ttydev_close(struct cdev *dev, int fflag, int devtype, struct thread *td)
ttydev_close(struct cdev *dev, int fflag, int devtype __unused,
struct thread *td __unused)
{
struct tty *tp = dev->si_drv1;
@ -372,6 +376,7 @@ ttydev_close(struct cdev *dev, int fflag, int devtype, struct thread *td)
static __inline int
tty_is_ctty(struct tty *tp, struct proc *p)
{
tty_lock_assert(tp, MA_OWNED);
return (p->p_session == tp->t_session && p->p_flag & P_CONTROLT);
@ -652,7 +657,7 @@ tty_kqops_read_detach(struct knote *kn)
}
static int
tty_kqops_read_event(struct knote *kn, long hint)
tty_kqops_read_event(struct knote *kn, long hint __unused)
{
struct tty *tp = kn->kn_hook;
@ -676,7 +681,7 @@ tty_kqops_write_detach(struct knote *kn)
}
static int
tty_kqops_write_event(struct knote *kn, long hint)
tty_kqops_write_event(struct knote *kn, long hint __unused)
{
struct tty *tp = kn->kn_hook;
@ -696,6 +701,7 @@ static struct filterops tty_kqops_read = {
.f_detach = tty_kqops_read_detach,
.f_event = tty_kqops_read_event,
};
static struct filterops tty_kqops_write = {
.f_isfd = 1,
.f_detach = tty_kqops_write_detach,
@ -751,7 +757,8 @@ static struct cdevsw ttydev_cdevsw = {
*/
static int
ttyil_open(struct cdev *dev, int oflags, int devtype, struct thread *td)
ttyil_open(struct cdev *dev, int oflags __unused, int devtype __unused,
struct thread *td)
{
struct tty *tp;
int error;
@ -767,14 +774,18 @@ ttyil_open(struct cdev *dev, int oflags, int devtype, struct thread *td)
}
static int
ttyil_close(struct cdev *dev, int flag, int mode, struct thread *td)
ttyil_close(struct cdev *dev __unused, int flag __unused, int mode __unused,
struct thread *td __unused)
{
return (0);
}
static int
ttyil_rdwr(struct cdev *dev, struct uio *uio, int ioflag)
ttyil_rdwr(struct cdev *dev __unused, struct uio *uio __unused,
int ioflag __unused)
{
return (ENODEV);
}
@ -871,45 +882,49 @@ tty_init_console(struct tty *tp, speed_t s)
*/
static int
ttydevsw_defopen(struct tty *tp)
ttydevsw_defopen(struct tty *tp __unused)
{
return (0);
}
static void
ttydevsw_defclose(struct tty *tp)
ttydevsw_defclose(struct tty *tp __unused)
{
}
static void
ttydevsw_defoutwakeup(struct tty *tp)
ttydevsw_defoutwakeup(struct tty *tp __unused)
{
panic("Terminal device has output, while not implemented");
}
static void
ttydevsw_definwakeup(struct tty *tp)
ttydevsw_definwakeup(struct tty *tp __unused)
{
}
static int
ttydevsw_defioctl(struct tty *tp, u_long cmd, caddr_t data, struct thread *td)
ttydevsw_defioctl(struct tty *tp __unused, u_long cmd __unused,
caddr_t data __unused, struct thread *td __unused)
{
return (ENOIOCTL);
}
static int
ttydevsw_defcioctl(struct tty *tp, int unit, u_long cmd, caddr_t data, struct thread *td)
ttydevsw_defcioctl(struct tty *tp __unused, int unit __unused,
u_long cmd __unused, caddr_t data __unused, struct thread *td __unused)
{
return (ENOIOCTL);
}
static int
ttydevsw_defparam(struct tty *tp, struct termios *t)
ttydevsw_defparam(struct tty *tp __unused, struct termios *t)
{
/*
@ -931,7 +946,8 @@ ttydevsw_defparam(struct tty *tp, struct termios *t)
}
static int
ttydevsw_defmodem(struct tty *tp, int sigon, int sigoff)
ttydevsw_defmodem(struct tty *tp __unused, int sigon __unused,
int sigoff __unused)
{
/* Simulate a carrier to make the TTY layer happy. */
@ -939,20 +955,22 @@ ttydevsw_defmodem(struct tty *tp, int sigon, int sigoff)
}
static int
ttydevsw_defmmap(struct tty *tp, vm_ooffset_t offset, vm_paddr_t *paddr,
int nprot, vm_memattr_t *memattr)
ttydevsw_defmmap(struct tty *tp __unused, vm_ooffset_t offset __unused,
vm_paddr_t *paddr __unused, int nprot __unused,
vm_memattr_t *memattr __unused)
{
return (-1);
}
static void
ttydevsw_defpktnotify(struct tty *tp, char event)
ttydevsw_defpktnotify(struct tty *tp __unused, char event __unused)
{
}
static void
ttydevsw_deffree(void *softc)
ttydevsw_deffree(void *softc __unused)
{
panic("Terminal device freed without a free-handler");
@ -1091,6 +1109,7 @@ tty_rel_free(struct tty *tp)
void
tty_rel_pgrp(struct tty *tp, struct pgrp *pg)
{
MPASS(tp->t_sessioncnt > 0);
tty_lock_assert(tp, MA_OWNED);
@ -1103,6 +1122,7 @@ tty_rel_pgrp(struct tty *tp, struct pgrp *pg)
void
tty_rel_sess(struct tty *tp, struct session *sess)
{
MPASS(tp->t_sessioncnt > 0);
/* Current session has left. */
@ -1117,6 +1137,7 @@ tty_rel_sess(struct tty *tp, struct session *sess)
void
tty_rel_gone(struct tty *tp)
{
MPASS(!tty_gone(tp));
/* Simulate carrier removal. */
@ -1138,6 +1159,7 @@ tty_rel_gone(struct tty *tp)
static void
tty_to_xtty(struct tty *tp, struct xtty *xt)
{
tty_lock_assert(tp, MA_OWNED);
xt->xt_size = sizeof(struct xtty);
@ -1370,6 +1392,7 @@ tty_signal_pgrp(struct tty *tp, int sig)
void
tty_wakeup(struct tty *tp, int flags)
{
if (tp->t_flags & TF_ASYNC && tp->t_sigio != NULL)
pgsigio(&tp->t_sigio, SIGIO, (tp->t_session != NULL));
@ -1432,6 +1455,7 @@ tty_timedwait(struct tty *tp, struct cv *cv, int hz)
void
tty_flush(struct tty *tp, int flags)
{
if (flags & FWRITE) {
tp->t_flags &= ~TF_HIWAT_OUT;
ttyoutq_flush(&tp->t_outq);
@ -1822,10 +1846,11 @@ tty_ioctl(struct tty *tp, u_long cmd, void *data, int fflag, struct thread *td)
dev_t
tty_udev(struct tty *tp)
{
if (tp->t_dev)
return dev2udev(tp->t_dev);
return (dev2udev(tp->t_dev));
else
return NODEV;
return (NODEV);
}
int
@ -1894,8 +1919,8 @@ ttyhook_defrint(struct tty *tp, char c, int flags)
}
int
ttyhook_register(struct tty **rtp, struct proc *p, int fd,
struct ttyhook *th, void *softc)
ttyhook_register(struct tty **rtp, struct proc *p, int fd, struct ttyhook *th,
void *softc)
{
struct tty *tp;
struct file *fp;
@ -2046,7 +2071,7 @@ static struct cdevsw ttyconsdev_cdevsw = {
};
static void
ttyconsdev_init(void *unused)
ttyconsdev_init(void *unused __unused)
{
dev_console = make_dev_credf(MAKEDEV_ETERNAL, &ttyconsdev_cdevsw, 0,
@ -2071,7 +2096,7 @@ ttyconsdev_select(const char *name)
#include <ddb/ddb.h>
#include <ddb/db_sym.h>
static struct {
static const struct {
int flag;
char val;
} ttystates[] = {
@ -2126,6 +2151,7 @@ static struct {
static void
_db_show_devsw(const char *sep, const struct ttydevsw *tsw)
{
db_printf("%sdevsw: ", sep);
db_printsym((db_addr_t)tsw, DB_STGY_ANY);
db_printf(" (%p)\n", tsw);
@ -2140,9 +2166,11 @@ _db_show_devsw(const char *sep, const struct ttydevsw *tsw)
DB_PRINTSYM(pktnotify, tsw->tsw_pktnotify);
DB_PRINTSYM(free, tsw->tsw_free);
}
static void
_db_show_hooks(const char *sep, const struct ttyhook *th)
{
db_printf("%shook: ", sep);
db_printsym((db_addr_t)th, DB_STGY_ANY);
db_printf(" (%p)\n", th);
@ -2248,17 +2276,13 @@ DB_SHOW_ALL_COMMAND(ttys, db_show_all_ttys)
isiz = tp->t_inq.ti_nblocks * TTYINQ_DATASIZE;
osiz = tp->t_outq.to_nblocks * TTYOUTQ_DATASIZE;
db_printf("%p %10s %5zu %4u %4u %4zu %5zu %4u %4zu %5u %5d %5d ",
tp,
tty_devname(tp),
isiz,
db_printf("%p %10s %5zu %4u %4u %4zu %5zu %4u %4zu %5u %5d "
"%5d ", tp, tty_devname(tp), isiz,
tp->t_inq.ti_linestart - tp->t_inq.ti_begin,
tp->t_inq.ti_end - tp->t_inq.ti_linestart,
isiz - tp->t_inlow,
osiz,
isiz - tp->t_inlow, osiz,
tp->t_outq.to_end - tp->t_outq.to_begin,
osiz - tp->t_outlow,
MIN(tp->t_column, 99999),
osiz - tp->t_outlow, MIN(tp->t_column, 99999),
tp->t_session ? tp->t_session->s_sid : 0,
tp->t_pgrp ? tp->t_pgrp->pg_id : 0);

View File

@ -83,15 +83,17 @@ struct ttydevsw {
static __inline int
ttydevsw_open(struct tty *tp)
{
tty_lock_assert(tp, MA_OWNED);
MPASS(!tty_gone(tp));
return tp->t_devsw->tsw_open(tp);
return (tp->t_devsw->tsw_open(tp));
}
static __inline void
ttydevsw_close(struct tty *tp)
{
tty_lock_assert(tp, MA_OWNED);
MPASS(!tty_gone(tp));
@ -101,6 +103,7 @@ ttydevsw_close(struct tty *tp)
static __inline void
ttydevsw_outwakeup(struct tty *tp)
{
tty_lock_assert(tp, MA_OWNED);
MPASS(!tty_gone(tp));
@ -114,6 +117,7 @@ ttydevsw_outwakeup(struct tty *tp)
static __inline void
ttydevsw_inwakeup(struct tty *tp)
{
tty_lock_assert(tp, MA_OWNED);
MPASS(!tty_gone(tp));
@ -127,49 +131,56 @@ ttydevsw_inwakeup(struct tty *tp)
static __inline int
ttydevsw_ioctl(struct tty *tp, u_long cmd, caddr_t data, struct thread *td)
{
tty_lock_assert(tp, MA_OWNED);
MPASS(!tty_gone(tp));
return tp->t_devsw->tsw_ioctl(tp, cmd, data, td);
return (tp->t_devsw->tsw_ioctl(tp, cmd, data, td));
}
static __inline int
ttydevsw_cioctl(struct tty *tp, int unit, u_long cmd, caddr_t data, struct thread *td)
ttydevsw_cioctl(struct tty *tp, int unit, u_long cmd, caddr_t data,
struct thread *td)
{
tty_lock_assert(tp, MA_OWNED);
MPASS(!tty_gone(tp));
return tp->t_devsw->tsw_cioctl(tp, unit, cmd, data, td);
return (tp->t_devsw->tsw_cioctl(tp, unit, cmd, data, td));
}
static __inline int
ttydevsw_param(struct tty *tp, struct termios *t)
{
MPASS(!tty_gone(tp));
return tp->t_devsw->tsw_param(tp, t);
return (tp->t_devsw->tsw_param(tp, t));
}
static __inline int
ttydevsw_modem(struct tty *tp, int sigon, int sigoff)
{
MPASS(!tty_gone(tp));
return tp->t_devsw->tsw_modem(tp, sigon, sigoff);
return (tp->t_devsw->tsw_modem(tp, sigon, sigoff));
}
static __inline int
ttydevsw_mmap(struct tty *tp, vm_ooffset_t offset, vm_paddr_t *paddr,
int nprot, vm_memattr_t *memattr)
{
MPASS(!tty_gone(tp));
return tp->t_devsw->tsw_mmap(tp, offset, paddr, nprot, memattr);
return (tp->t_devsw->tsw_mmap(tp, offset, paddr, nprot, memattr));
}
static __inline void
ttydevsw_pktnotify(struct tty *tp, char event)
{
tty_lock_assert(tp, MA_OWNED);
MPASS(!tty_gone(tp));
@ -179,6 +190,7 @@ ttydevsw_pktnotify(struct tty *tp, char event)
static __inline void
ttydevsw_free(struct tty *tp)
{
MPASS(tty_gone(tp));
tp->t_devsw->tsw_free(tty_softc(tp));