b40ce4165d
Note ALL MODULES MUST BE RECOMPILED make the kernel aware that there are smaller units of scheduling than the process. (but only allow one thread per process at this time). This is functionally equivalent to teh previousl -current except that there is a thread associated with each process. Sorry john! (your next MFC will be a doosie!) Reviewed by: peter@freebsd.org, dillon@freebsd.org X-MFC after: ha ha ha ha
367 lines
8.8 KiB
C
367 lines
8.8 KiB
C
/*
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* Copyright (c) 1998 Mark Newton
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* Copyright (c) 1994 Christos Zoulas
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <sys/proc.h>
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#include <sys/systm.h>
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#include <sys/file.h>
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#include <sys/filedesc.h>
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#include <sys/ioctl_compat.h>
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#include <sys/termios.h>
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#include <compat/svr4/svr4.h>
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#include <compat/svr4/svr4_util.h>
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#include <compat/svr4/svr4_ttold.h>
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#include <compat/svr4/svr4_ioctl.h>
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static void svr4_tchars_to_bsd_tchars __P((const struct svr4_tchars *st,
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struct tchars *bt));
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static void bsd_tchars_to_svr4_tchars __P((const struct tchars *bt,
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struct svr4_tchars *st));
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static void svr4_sgttyb_to_bsd_sgttyb __P((const struct svr4_sgttyb *ss,
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struct sgttyb *bs));
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static void bsd_sgttyb_to_svr4_sgttyb __P((const struct sgttyb *bs,
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struct svr4_sgttyb *ss));
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static void svr4_ltchars_to_bsd_ltchars __P((const struct svr4_ltchars *sl,
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struct ltchars *bl));
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static void bsd_ltchars_to_svr4_ltchars __P((const struct ltchars *bl,
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struct svr4_ltchars *sl));
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#ifdef DEBUG_SVR4
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static void print_svr4_sgttyb __P((const char *, struct svr4_sgttyb *));
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static void print_svr4_tchars __P((const char *, struct svr4_tchars *));
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static void print_svr4_ltchars __P((const char *, struct svr4_ltchars *));
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static void
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print_svr4_sgttyb(str, ss)
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const char *str;
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struct svr4_sgttyb *ss;
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{
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uprintf("%s\nispeed=%o ospeed=%o ", str, ss->sg_ispeed, ss->sg_ospeed);
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uprintf("erase=%o kill=%o flags=%o\n", ss->sg_erase, ss->sg_kill,
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ss->sg_flags);
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}
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static void
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print_svr4_tchars(str, st)
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const char *str;
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struct svr4_tchars *st;
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{
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uprintf("%s\nintrc=%o quitc=%o ", str, st->t_intrc, st->t_quitc);
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uprintf("startc=%o stopc=%o eofc=%o brkc=%o\n", st->t_startc,
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st->t_stopc, st->t_eofc, st->t_brkc);
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}
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static void
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print_svr4_ltchars(str, sl)
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const char *str;
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struct svr4_ltchars *sl;
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{
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uprintf("%s\nsuspc=%o dsuspc=%o ", str, sl->t_suspc, sl->t_dsuspc);
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uprintf("rprntc=%o flushc=%o werasc=%o lnextc=%o\n", sl->t_rprntc,
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sl->t_flushc, sl->t_werasc, sl->t_lnextc);
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}
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#endif /* DEBUG_SVR4 */
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static void
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svr4_tchars_to_bsd_tchars(st, bt)
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const struct svr4_tchars *st;
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struct tchars *bt;
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{
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bt->t_intrc = st->t_intrc;
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bt->t_quitc = st->t_quitc;
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bt->t_startc = st->t_startc;
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bt->t_stopc = st->t_stopc;
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bt->t_eofc = st->t_eofc;
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bt->t_brkc = st->t_brkc;
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}
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static void
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bsd_tchars_to_svr4_tchars(bt, st)
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const struct tchars *bt;
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struct svr4_tchars *st;
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{
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st->t_intrc = bt->t_intrc;
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st->t_quitc = bt->t_quitc;
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st->t_startc = bt->t_startc;
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st->t_stopc = bt->t_stopc;
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st->t_eofc = bt->t_eofc;
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st->t_brkc = bt->t_brkc;
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}
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static void
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svr4_sgttyb_to_bsd_sgttyb(ss, bs)
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const struct svr4_sgttyb *ss;
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struct sgttyb *bs;
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{
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bs->sg_ispeed = ss->sg_ispeed;
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bs->sg_ospeed = ss->sg_ospeed;
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bs->sg_erase = ss->sg_erase;
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bs->sg_kill = ss->sg_kill;
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bs->sg_flags = ss->sg_flags;
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};
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static void
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bsd_sgttyb_to_svr4_sgttyb(bs, ss)
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const struct sgttyb *bs;
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struct svr4_sgttyb *ss;
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{
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ss->sg_ispeed = bs->sg_ispeed;
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ss->sg_ospeed = bs->sg_ospeed;
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ss->sg_erase = bs->sg_erase;
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ss->sg_kill = bs->sg_kill;
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ss->sg_flags = bs->sg_flags;
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}
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static void
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svr4_ltchars_to_bsd_ltchars(sl, bl)
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const struct svr4_ltchars *sl;
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struct ltchars *bl;
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{
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bl->t_suspc = sl->t_suspc;
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bl->t_dsuspc = sl->t_dsuspc;
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bl->t_rprntc = sl->t_rprntc;
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bl->t_flushc = sl->t_flushc;
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bl->t_werasc = sl->t_werasc;
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bl->t_lnextc = sl->t_lnextc;
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}
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static void
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bsd_ltchars_to_svr4_ltchars(bl, sl)
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const struct ltchars *bl;
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struct svr4_ltchars *sl;
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{
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sl->t_suspc = bl->t_suspc;
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sl->t_dsuspc = bl->t_dsuspc;
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sl->t_rprntc = bl->t_rprntc;
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sl->t_flushc = bl->t_flushc;
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sl->t_werasc = bl->t_werasc;
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sl->t_lnextc = bl->t_lnextc;
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}
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int
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svr4_ttold_ioctl(fp, td, retval, fd, cmd, data)
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struct file *fp;
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struct thread *td;
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register_t *retval;
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int fd;
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u_long cmd;
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caddr_t data;
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{
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int error;
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*retval = 0;
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switch (cmd) {
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case SVR4_TIOCGPGRP:
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{
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pid_t pid;
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if ((error = fo_ioctl(fp, TIOCGPGRP, (caddr_t) &pid, td)) != 0)
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return error;
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DPRINTF(("TIOCGPGRP %d\n", pid));
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if ((error = copyout(&pid, data, sizeof(pid))) != 0)
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return error;
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}
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case SVR4_TIOCSPGRP:
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{
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pid_t pid;
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if ((error = copyin(data, &pid, sizeof(pid))) != 0)
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return error;
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DPRINTF(("TIOCSPGRP %d\n", pid));
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return fo_ioctl(fp, TIOCSPGRP, (caddr_t) &pid, td);
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}
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case SVR4_TIOCGSID:
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{
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#if defined(TIOCGSID)
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pid_t pid;
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if ((error = fo_ioctl(fp, TIOCGSID, (caddr_t) &pid, td)) != 0)
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return error;
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DPRINTF(("TIOCGSID %d\n", pid));
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return copyout(&pid, data, sizeof(pid));
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#else
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uprintf("ioctl(TIOCGSID) for pid %d unsupported\n", td->td_proc->p_pid);
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return EINVAL;
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#endif
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}
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case SVR4_TIOCGETP:
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{
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struct sgttyb bs;
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struct svr4_sgttyb ss;
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error = fo_ioctl(fp, TIOCGETP, (caddr_t) &bs, td);
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if (error)
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return error;
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bsd_sgttyb_to_svr4_sgttyb(&bs, &ss);
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#ifdef DEBUG_SVR4
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print_svr4_sgttyb("SVR4_TIOCGETP", &ss);
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#endif /* DEBUG_SVR4 */
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return copyout(&ss, data, sizeof(ss));
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}
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case SVR4_TIOCSETP:
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case SVR4_TIOCSETN:
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{
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struct sgttyb bs;
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struct svr4_sgttyb ss;
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if ((error = copyin(data, &ss, sizeof(ss))) != 0)
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return error;
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svr4_sgttyb_to_bsd_sgttyb(&ss, &bs);
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#ifdef DEBUG_SVR4
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print_svr4_sgttyb("SVR4_TIOCSET{P,N}", &ss);
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#endif /* DEBUG_SVR4 */
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cmd = (cmd == SVR4_TIOCSETP) ? TIOCSETP : TIOCSETN;
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return fo_ioctl(fp, cmd, (caddr_t) &bs, td);
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}
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case SVR4_TIOCGETC:
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{
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struct tchars bt;
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struct svr4_tchars st;
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error = fo_ioctl(fp, TIOCGETC, (caddr_t) &bt, td);
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if (error)
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return error;
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bsd_tchars_to_svr4_tchars(&bt, &st);
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#ifdef DEBUG_SVR4
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print_svr4_tchars("SVR4_TIOCGETC", &st);
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#endif /* DEBUG_SVR4 */
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return copyout(&st, data, sizeof(st));
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}
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case SVR4_TIOCSETC:
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{
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struct tchars bt;
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struct svr4_tchars st;
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if ((error = copyin(data, &st, sizeof(st))) != 0)
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return error;
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svr4_tchars_to_bsd_tchars(&st, &bt);
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#ifdef DEBUG_SVR4
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print_svr4_tchars("SVR4_TIOCSETC", &st);
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#endif /* DEBUG_SVR4 */
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return fo_ioctl(fp, TIOCSETC, (caddr_t) &bt, td);
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}
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case SVR4_TIOCGLTC:
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{
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struct ltchars bl;
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struct svr4_ltchars sl;
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error = fo_ioctl(fp, TIOCGLTC, (caddr_t) &bl, td);
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if (error)
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return error;
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bsd_ltchars_to_svr4_ltchars(&bl, &sl);
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#ifdef DEBUG_SVR4
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print_svr4_ltchars("SVR4_TIOCGLTC", &sl);
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#endif /* DEBUG_SVR4 */
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return copyout(&sl, data, sizeof(sl));
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}
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case SVR4_TIOCSLTC:
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{
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struct ltchars bl;
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struct svr4_ltchars sl;
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if ((error = copyin(data, &sl, sizeof(sl))) != 0)
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return error;
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svr4_ltchars_to_bsd_ltchars(&sl, &bl);
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#ifdef DEBUG_SVR4
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print_svr4_ltchars("SVR4_TIOCSLTC", &sl);
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#endif /* DEBUG_SVR4 */
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return fo_ioctl(fp, TIOCSLTC, (caddr_t) &bl, td);
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}
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case SVR4_TIOCLGET:
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{
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int flags;
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if ((error = fo_ioctl(fp, TIOCLGET, (caddr_t) &flags, td)) != 0)
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return error;
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DPRINTF(("SVR4_TIOCLGET %o\n", flags));
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return copyout(&flags, data, sizeof(flags));
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}
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case SVR4_TIOCLSET:
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case SVR4_TIOCLBIS:
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case SVR4_TIOCLBIC:
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{
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int flags;
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if ((error = copyin(data, &flags, sizeof(flags))) != 0)
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return error;
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switch (cmd) {
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case SVR4_TIOCLSET:
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cmd = TIOCLSET;
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break;
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case SVR4_TIOCLBIS:
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cmd = TIOCLBIS;
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break;
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case SVR4_TIOCLBIC:
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cmd = TIOCLBIC;
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break;
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}
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DPRINTF(("SVR4_TIOCL{SET,BIS,BIC} %o\n", flags));
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return fo_ioctl(fp, cmd, (caddr_t) &flags, td);
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}
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default:
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DPRINTF(("Unknown svr4 ttold %lx\n", cmd));
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return 0; /* ENOSYS really */
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}
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}
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