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
226 lines
6.4 KiB
C
226 lines
6.4 KiB
C
/*-
|
|
* Copyright (c) 1994 Sean Eric Fagan
|
|
* Copyright (c) 1994 Søren Schmidt
|
|
* Copyright (c) 1995 Steven Wallace
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer
|
|
* in this position and unchanged.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. The name of the author may not be used to endorse or promote products
|
|
* derived from this software withough specific prior written permission
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/namei.h>
|
|
#include <sys/sysproto.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/filio.h>
|
|
#include <sys/vnode.h>
|
|
#include <sys/sysctl.h>
|
|
|
|
#include <machine/cpu.h>
|
|
|
|
#include <i386/ibcs2/ibcs2_types.h>
|
|
#include <i386/ibcs2/ibcs2_unistd.h>
|
|
#include <i386/ibcs2/ibcs2_signal.h>
|
|
#include <i386/ibcs2/ibcs2_util.h>
|
|
#include <i386/ibcs2/ibcs2_proto.h>
|
|
#include <i386/ibcs2/ibcs2_xenix.h>
|
|
#include <i386/ibcs2/ibcs2_xenix_syscall.h>
|
|
|
|
|
|
extern struct sysent xenix_sysent[];
|
|
|
|
int
|
|
ibcs2_xenix(struct thread *td, struct ibcs2_xenix_args *uap)
|
|
{
|
|
struct trapframe *tf = td->td_frame;
|
|
struct sysent *callp;
|
|
u_int code;
|
|
|
|
code = (tf->tf_eax & 0xff00) >> 8;
|
|
callp = &xenix_sysent[code];
|
|
|
|
if(code < IBCS2_XENIX_MAXSYSCALL)
|
|
return((*callp->sy_call)(td, (void *)uap));
|
|
else
|
|
return ENOSYS;
|
|
}
|
|
|
|
int
|
|
xenix_rdchk(td, uap)
|
|
struct thread *td;
|
|
struct xenix_rdchk_args *uap;
|
|
{
|
|
int error;
|
|
struct ioctl_args sa;
|
|
caddr_t sg = stackgap_init();
|
|
|
|
DPRINTF(("IBCS2: 'xenix rdchk'\n"));
|
|
SCARG(&sa, fd) = SCARG(uap, fd);
|
|
SCARG(&sa, com) = FIONREAD;
|
|
SCARG(&sa, data) = stackgap_alloc(&sg, sizeof(int));
|
|
if ((error = ioctl(td, &sa)) != 0)
|
|
return error;
|
|
td->td_retval[0] = (*((int*)SCARG(&sa, data))) ? 1 : 0;
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
xenix_chsize(td, uap)
|
|
struct thread *td;
|
|
struct xenix_chsize_args *uap;
|
|
{
|
|
struct ftruncate_args sa;
|
|
|
|
DPRINTF(("IBCS2: 'xenix chsize'\n"));
|
|
SCARG(&sa, fd) = SCARG(uap, fd);
|
|
SCARG(&sa, pad) = 0;
|
|
SCARG(&sa, length) = SCARG(uap, size);
|
|
return ftruncate(td, &sa);
|
|
}
|
|
|
|
|
|
int
|
|
xenix_ftime(td, uap)
|
|
struct thread *td;
|
|
struct xenix_ftime_args *uap;
|
|
{
|
|
struct timeval tv;
|
|
struct ibcs2_timeb {
|
|
unsigned long time __attribute__((packed));
|
|
unsigned short millitm;
|
|
short timezone;
|
|
short dstflag;
|
|
} itb;
|
|
|
|
DPRINTF(("IBCS2: 'xenix ftime'\n"));
|
|
microtime(&tv);
|
|
itb.time = tv.tv_sec;
|
|
itb.millitm = (tv.tv_usec / 1000);
|
|
itb.timezone = tz.tz_minuteswest;
|
|
itb.dstflag = tz.tz_dsttime != DST_NONE;
|
|
|
|
return copyout((caddr_t)&itb, (caddr_t)SCARG(uap, tp),
|
|
sizeof(struct ibcs2_timeb));
|
|
}
|
|
|
|
int
|
|
xenix_nap(struct thread *td, struct xenix_nap_args *uap)
|
|
{
|
|
long period;
|
|
|
|
DPRINTF(("IBCS2: 'xenix nap %d ms'\n", SCARG(uap, millisec)));
|
|
period = (long)SCARG(uap, millisec) / (1000/hz);
|
|
if (period)
|
|
while (tsleep(&period, PPAUSE, "nap", period)
|
|
!= EWOULDBLOCK) ;
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
xenix_utsname(struct thread *td, struct xenix_utsname_args *uap)
|
|
{
|
|
struct ibcs2_sco_utsname {
|
|
char sysname[9];
|
|
char nodename[9];
|
|
char release[16];
|
|
char kernelid[20];
|
|
char machine[9];
|
|
char bustype[9];
|
|
char sysserial[10];
|
|
unsigned short sysorigin;
|
|
unsigned short sysoem;
|
|
char numusers[9];
|
|
unsigned short numcpu;
|
|
} ibcs2_sco_uname;
|
|
|
|
DPRINTF(("IBCS2: 'xenix sco_utsname'\n"));
|
|
bzero(&ibcs2_sco_uname, sizeof(struct ibcs2_sco_utsname));
|
|
strncpy(ibcs2_sco_uname.sysname, ostype,
|
|
sizeof(ibcs2_sco_uname.sysname) - 1);
|
|
strncpy(ibcs2_sco_uname.nodename, hostname,
|
|
sizeof(ibcs2_sco_uname.nodename) - 1);
|
|
strncpy(ibcs2_sco_uname.release, osrelease,
|
|
sizeof(ibcs2_sco_uname.release) - 1);
|
|
strncpy(ibcs2_sco_uname.kernelid, version,
|
|
sizeof(ibcs2_sco_uname.kernelid) - 1);
|
|
strncpy(ibcs2_sco_uname.machine, machine,
|
|
sizeof(ibcs2_sco_uname.machine) - 1);
|
|
strncpy(ibcs2_sco_uname.bustype, "ISA/EISA",
|
|
sizeof(ibcs2_sco_uname.bustype) - 1);
|
|
strncpy(ibcs2_sco_uname.sysserial, "no charge",
|
|
sizeof(ibcs2_sco_uname.sysserial) - 1);
|
|
strncpy(ibcs2_sco_uname.numusers, "unlim",
|
|
sizeof(ibcs2_sco_uname.numusers) - 1);
|
|
ibcs2_sco_uname.sysorigin = 0xFFFF;
|
|
ibcs2_sco_uname.sysoem = 0xFFFF;
|
|
ibcs2_sco_uname.numcpu = 1;
|
|
return copyout((caddr_t)&ibcs2_sco_uname,
|
|
(caddr_t)(void *)(intptr_t)uap->addr,
|
|
sizeof(struct ibcs2_sco_utsname));
|
|
}
|
|
|
|
int
|
|
xenix_scoinfo(struct thread *td, struct xenix_scoinfo_args *uap)
|
|
{
|
|
/* scoinfo (not documented) */
|
|
td->td_retval[0] = 0;
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
xenix_eaccess(struct thread *td, struct xenix_eaccess_args *uap)
|
|
{
|
|
struct ucred *cred = td->td_proc->p_ucred;
|
|
struct vnode *vp;
|
|
struct nameidata nd;
|
|
int error, flags;
|
|
caddr_t sg = stackgap_init();
|
|
|
|
CHECKALTEXIST(td, &sg, SCARG(uap, path));
|
|
|
|
NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF, UIO_USERSPACE,
|
|
SCARG(uap, path), td);
|
|
if ((error = namei(&nd)) != 0)
|
|
return error;
|
|
vp = nd.ni_vp;
|
|
|
|
/* Flags == 0 means only check for existence. */
|
|
if (SCARG(uap, flags)) {
|
|
flags = 0;
|
|
if (SCARG(uap, flags) & IBCS2_R_OK)
|
|
flags |= VREAD;
|
|
if (SCARG(uap, flags) & IBCS2_W_OK)
|
|
flags |= VWRITE;
|
|
if (SCARG(uap, flags) & IBCS2_X_OK)
|
|
flags |= VEXEC;
|
|
if ((flags & VWRITE) == 0 || (error = vn_writechk(vp)) == 0)
|
|
error = VOP_ACCESS(vp, flags, cred, td);
|
|
}
|
|
NDFREE(&nd, NDF_ONLY_PNBUF);
|
|
vput(vp);
|
|
return error;
|
|
}
|