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freebsd-dev/sys/i386/ibcs2/ibcs2_misc.c
Julian Elischer b40ce4165d KSE Milestone 2 
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
2001-09-12 08:38:13 +00:00

1185 lines
28 KiB
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/*
* Copyright (c) 1995 Steven Wallace
* Copyright (c) 1994, 1995 Scott Bartram
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
* contributed to Berkeley.
*
* All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Lawrence Berkeley Laboratory.
*
* 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.
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
*
* from: Header: sun_misc.c,v 1.16 93/04/07 02:46:27 torek Exp
*
* @(#)sun_misc.c 8.1 (Berkeley) 6/18/93
*
* $FreeBSD$
*/
/*
* IBCS2 compatibility module.
*
* IBCS2 system calls that are implemented differently in BSD are
* handled here.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/dirent.h>
#include <sys/fcntl.h>
#include <sys/filedesc.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/malloc.h>
#include <sys/file.h> /* Must come after sys/malloc.h */
#include <sys/mutex.h>
#include <sys/reboot.h>
#include <sys/resourcevar.h>
#include <sys/stat.h>
#include <sys/sysctl.h>
#include <sys/sysproto.h>
#include <sys/time.h>
#include <sys/times.h>
#include <sys/vnode.h>
#include <sys/wait.h>
#include <machine/cpu.h>
#include <i386/ibcs2/ibcs2_dirent.h>
#include <i386/ibcs2/ibcs2_signal.h>
#include <i386/ibcs2/ibcs2_proto.h>
#include <i386/ibcs2/ibcs2_unistd.h>
#include <i386/ibcs2/ibcs2_util.h>
#include <i386/ibcs2/ibcs2_utime.h>
#include <i386/ibcs2/ibcs2_xenix.h>
int
ibcs2_ulimit(td, uap)
struct thread *td;
struct ibcs2_ulimit_args *uap;
{
#ifdef notyet
int error;
struct rlimit rl;
struct setrlimit_args {
int resource;
struct rlimit *rlp;
} sra;
#endif
#define IBCS2_GETFSIZE 1
#define IBCS2_SETFSIZE 2
#define IBCS2_GETPSIZE 3
#define IBCS2_GETDTABLESIZE 4
switch (SCARG(uap, cmd)) {
case IBCS2_GETFSIZE:
td->td_retval[0] = td->td_proc->p_rlimit[RLIMIT_FSIZE].rlim_cur;
if (td->td_retval[0] == -1) td->td_retval[0] = 0x7fffffff;
return 0;
case IBCS2_SETFSIZE: /* XXX - fix this */
#ifdef notyet
rl.rlim_cur = SCARG(uap, newlimit);
sra.resource = RLIMIT_FSIZE;
sra.rlp = &rl;
error = setrlimit(td, &sra);
if (!error)
td->td_retval[0] = td->td_proc->p_rlimit[RLIMIT_FSIZE].rlim_cur;
else
DPRINTF(("failed "));
return error;
#else
td->td_retval[0] = SCARG(uap, newlimit);
return 0;
#endif
case IBCS2_GETPSIZE:
mtx_assert(&Giant, MA_OWNED);
td->td_retval[0] = td->td_proc->p_rlimit[RLIMIT_RSS].rlim_cur; /* XXX */
return 0;
case IBCS2_GETDTABLESIZE:
uap->cmd = IBCS2_SC_OPEN_MAX;
return ibcs2_sysconf(td, (struct ibcs2_sysconf_args *)uap);
default:
return ENOSYS;
}
}
#define IBCS2_WSTOPPED 0177
#define IBCS2_STOPCODE(sig) ((sig) << 8 | IBCS2_WSTOPPED)
int
ibcs2_wait(td, uap)
struct thread *td;
struct ibcs2_wait_args *uap;
{
int error, status;
struct wait_args w4;
struct trapframe *tf = td->td_frame;
SCARG(&w4, rusage) = NULL;
if ((tf->tf_eflags & (PSL_Z|PSL_PF|PSL_N|PSL_V))
== (PSL_Z|PSL_PF|PSL_N|PSL_V)) {
/* waitpid */
SCARG(&w4, pid) = SCARG(uap, a1);
SCARG(&w4, status) = (int *)SCARG(uap, a2);
SCARG(&w4, options) = SCARG(uap, a3);
} else {
/* wait */
SCARG(&w4, pid) = WAIT_ANY;
SCARG(&w4, status) = (int *)SCARG(uap, a1);
SCARG(&w4, options) = 0;
}
if ((error = wait4(td, &w4)) != 0)
return error;
if (SCARG(&w4, status)) { /* this is real iBCS brain-damage */
error = copyin((caddr_t)SCARG(&w4, status), (caddr_t)&status,
sizeof(SCARG(&w4, status)));
if(error)
return error;
/* convert status/signal result */
if(WIFSTOPPED(status))
status =
IBCS2_STOPCODE(bsd_to_ibcs2_sig[_SIG_IDX(WSTOPSIG(status))]);
else if(WIFSIGNALED(status))
status = bsd_to_ibcs2_sig[_SIG_IDX(WTERMSIG(status))];
/* else exit status -- identical */
/* record result/status */
td->td_retval[1] = status;
return copyout((caddr_t)&status, (caddr_t)SCARG(&w4, status),
sizeof(SCARG(&w4, status)));
}
return 0;
}
int
ibcs2_execv(td, uap)
struct thread *td;
struct ibcs2_execv_args *uap;
{
struct execve_args ea;
caddr_t sg = stackgap_init();
CHECKALTEXIST(td, &sg, SCARG(uap, path));
SCARG(&ea, fname) = SCARG(uap, path);
SCARG(&ea, argv) = SCARG(uap, argp);
SCARG(&ea, envv) = NULL;
return execve(td, &ea);
}
int
ibcs2_execve(td, uap)
struct thread *td;
struct ibcs2_execve_args *uap;
{
caddr_t sg = stackgap_init();
CHECKALTEXIST(td, &sg, SCARG(uap, path));
return execve(td, (struct execve_args *)uap);
}
int
ibcs2_umount(td, uap)
struct thread *td;
struct ibcs2_umount_args *uap;
{
struct unmount_args um;
SCARG(&um, path) = SCARG(uap, name);
SCARG(&um, flags) = 0;
return unmount(td, &um);
}
int
ibcs2_mount(td, uap)
struct thread *td;
struct ibcs2_mount_args *uap;
{
#ifdef notyet
int oflags = SCARG(uap, flags), nflags, error;
char fsname[MFSNAMELEN];
if (oflags & (IBCS2_MS_NOSUB | IBCS2_MS_SYS5))
return (EINVAL);
if ((oflags & IBCS2_MS_NEWTYPE) == 0)
return (EINVAL);
nflags = 0;
if (oflags & IBCS2_MS_RDONLY)
nflags |= MNT_RDONLY;
if (oflags & IBCS2_MS_NOSUID)
nflags |= MNT_NOSUID;
if (oflags & IBCS2_MS_REMOUNT)
nflags |= MNT_UPDATE;
SCARG(uap, flags) = nflags;
if (error = copyinstr((caddr_t)SCARG(uap, type), fsname, sizeof fsname,
(u_int *)0))
return (error);
if (strcmp(fsname, "4.2") == 0) {
SCARG(uap, type) = (caddr_t)STACK_ALLOC();
if (error = copyout("ufs", SCARG(uap, type), sizeof("ufs")))
return (error);
} else if (strcmp(fsname, "nfs") == 0) {
struct ibcs2_nfs_args sna;
struct sockaddr_in sain;
struct nfs_args na;
struct sockaddr sa;
if (error = copyin(SCARG(uap, data), &sna, sizeof sna))
return (error);
if (error = copyin(sna.addr, &sain, sizeof sain))
return (error);
bcopy(&sain, &sa, sizeof sa);
sa.sa_len = sizeof(sain);
SCARG(uap, data) = (caddr_t)STACK_ALLOC();
na.addr = (struct sockaddr *)((int)SCARG(uap, data) + sizeof na);
na.sotype = SOCK_DGRAM;
na.proto = IPPROTO_UDP;
na.fh = (nfsv2fh_t *)sna.fh;
na.flags = sna.flags;
na.wsize = sna.wsize;
na.rsize = sna.rsize;
na.timeo = sna.timeo;
na.retrans = sna.retrans;
na.hostname = sna.hostname;
if (error = copyout(&sa, na.addr, sizeof sa))
return (error);
if (error = copyout(&na, SCARG(uap, data), sizeof na))
return (error);
}
return (mount(td, uap));
#else
return EINVAL;
#endif
}
/*
* Read iBCS2-style directory entries. We suck them into kernel space so
* that they can be massaged before being copied out to user code. Like
* SunOS, we squish out `empty' entries.
*
* This is quite ugly, but what do you expect from compatibility code?
*/
int
ibcs2_getdents(td, uap)
struct thread *td;
register struct ibcs2_getdents_args *uap;
{
register struct vnode *vp;
register caddr_t inp, buf; /* BSD-format */
register int len, reclen; /* BSD-format */
register caddr_t outp; /* iBCS2-format */
register int resid; /* iBCS2-format */
struct file *fp;
struct uio auio;
struct iovec aiov;
struct ibcs2_dirent idb;
off_t off; /* true file offset */
int buflen, error, eofflag;
u_long *cookies = NULL, *cookiep;
int ncookies;
#define BSD_DIRENT(cp) ((struct dirent *)(cp))
#define IBCS2_RECLEN(reclen) (reclen + sizeof(u_short))
if ((error = getvnode(td->td_proc->p_fd, SCARG(uap, fd), &fp)) != 0)
return (error);
if ((fp->f_flag & FREAD) == 0)
return (EBADF);
vp = (struct vnode *)fp->f_data;
if (vp->v_type != VDIR) /* XXX vnode readdir op should do this */
return (EINVAL);
off = fp->f_offset;
#define DIRBLKSIZ 512 /* XXX we used to use ufs's DIRBLKSIZ */
buflen = max(DIRBLKSIZ, SCARG(uap, nbytes));
buflen = min(buflen, MAXBSIZE);
buf = malloc(buflen, M_TEMP, M_WAITOK);
vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, td);
again:
aiov.iov_base = buf;
aiov.iov_len = buflen;
auio.uio_iov = &aiov;
auio.uio_iovcnt = 1;
auio.uio_rw = UIO_READ;
auio.uio_segflg = UIO_SYSSPACE;
auio.uio_td = td;
auio.uio_resid = buflen;
auio.uio_offset = off;
if (cookies) {
free(cookies, M_TEMP);
cookies = NULL;
}
/*
* First we read into the malloc'ed buffer, then
* we massage it into user space, one record at a time.
*/
if ((error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &ncookies, &cookies)) != 0)
goto out;
inp = buf;
outp = SCARG(uap, buf);
resid = SCARG(uap, nbytes);
if ((len = buflen - auio.uio_resid) <= 0)
goto eof;
cookiep = cookies;
if (cookies) {
/*
* When using cookies, the vfs has the option of reading from
* a different offset than that supplied (UFS truncates the
* offset to a block boundary to make sure that it never reads
* partway through a directory entry, even if the directory
* has been compacted).
*/
while (len > 0 && ncookies > 0 && *cookiep <= off) {
len -= BSD_DIRENT(inp)->d_reclen;
inp += BSD_DIRENT(inp)->d_reclen;
cookiep++;
ncookies--;
}
}
for (; len > 0; len -= reclen) {
if (cookiep && ncookies == 0)
break;
reclen = BSD_DIRENT(inp)->d_reclen;
if (reclen & 3) {
printf("ibcs2_getdents: reclen=%d\n", reclen);
error = EFAULT;
goto out;
}
if (BSD_DIRENT(inp)->d_fileno == 0) {
inp += reclen; /* it is a hole; squish it out */
if (cookiep) {
off = *cookiep++;
ncookies--;
} else
off += reclen;
continue;
}
if (reclen > len || resid < IBCS2_RECLEN(reclen)) {
/* entry too big for buffer, so just stop */
outp++;
break;
}
/*
* Massage in place to make a iBCS2-shaped dirent (otherwise
* we have to worry about touching user memory outside of
* the copyout() call).
*/
idb.d_ino = (ibcs2_ino_t)BSD_DIRENT(inp)->d_fileno;
idb.d_off = (ibcs2_off_t)off;
idb.d_reclen = (u_short)IBCS2_RECLEN(reclen);
if ((error = copyout((caddr_t)&idb, outp, 10)) != 0 ||
(error = copyout(BSD_DIRENT(inp)->d_name, outp + 10,
BSD_DIRENT(inp)->d_namlen + 1)) != 0)
goto out;
/* advance past this real entry */
if (cookiep) {
off = *cookiep++;
ncookies--;
} else
off += reclen;
inp += reclen;
/* advance output past iBCS2-shaped entry */
outp += IBCS2_RECLEN(reclen);
resid -= IBCS2_RECLEN(reclen);
}
/* if we squished out the whole block, try again */
if (outp == SCARG(uap, buf))
goto again;
fp->f_offset = off; /* update the vnode offset */
eof:
td->td_retval[0] = SCARG(uap, nbytes) - resid;
out:
if (cookies)
free(cookies, M_TEMP);
VOP_UNLOCK(vp, 0, td);
free(buf, M_TEMP);
return (error);
}
int
ibcs2_read(td, uap)
struct thread *td;
struct ibcs2_read_args *uap;
{
register struct vnode *vp;
register caddr_t inp, buf; /* BSD-format */
register int len, reclen; /* BSD-format */
register caddr_t outp; /* iBCS2-format */
register int resid; /* iBCS2-format */
struct file *fp;
struct uio auio;
struct iovec aiov;
struct ibcs2_direct {
ibcs2_ino_t ino;
char name[14];
} idb;
off_t off; /* true file offset */
int buflen, error, eofflag, size;
u_long *cookies = NULL, *cookiep;
int ncookies;
if ((error = getvnode(td->td_proc->p_fd, SCARG(uap, fd), &fp)) != 0) {
if (error == EINVAL)
return read(td, (struct read_args *)uap);
else
return error;
}
if ((fp->f_flag & FREAD) == 0)
return (EBADF);
vp = (struct vnode *)fp->f_data;
if (vp->v_type != VDIR)
return read(td, (struct read_args *)uap);
DPRINTF(("ibcs2_read: read directory\n"));
off = fp->f_offset;
buflen = max(DIRBLKSIZ, SCARG(uap, nbytes));
buflen = min(buflen, MAXBSIZE);
buf = malloc(buflen, M_TEMP, M_WAITOK);
vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, td);
again:
aiov.iov_base = buf;
aiov.iov_len = buflen;
auio.uio_iov = &aiov;
auio.uio_iovcnt = 1;
auio.uio_rw = UIO_READ;
auio.uio_segflg = UIO_SYSSPACE;
auio.uio_td = td;
auio.uio_resid = buflen;
auio.uio_offset = off;
if (cookies) {
free(cookies, M_TEMP);
cookies = NULL;
}
/*
* First we read into the malloc'ed buffer, then
* we massage it into user space, one record at a time.
*/
if ((error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &ncookies, &cookies)) != 0) {
DPRINTF(("VOP_READDIR failed: %d\n", error));
goto out;
}
inp = buf;
outp = SCARG(uap, buf);
resid = SCARG(uap, nbytes);
if ((len = buflen - auio.uio_resid) <= 0)
goto eof;
cookiep = cookies;
if (cookies) {
/*
* When using cookies, the vfs has the option of reading from
* a different offset than that supplied (UFS truncates the
* offset to a block boundary to make sure that it never reads
* partway through a directory entry, even if the directory
* has been compacted).
*/
while (len > 0 && ncookies > 0 && *cookiep <= off) {
len -= BSD_DIRENT(inp)->d_reclen;
inp += BSD_DIRENT(inp)->d_reclen;
cookiep++;
ncookies--;
}
}
for (; len > 0 && resid > 0; len -= reclen) {
if (cookiep && ncookies == 0)
break;
reclen = BSD_DIRENT(inp)->d_reclen;
if (reclen & 3) {
printf("ibcs2_read: reclen=%d\n", reclen);
error = EFAULT;
goto out;
}
if (BSD_DIRENT(inp)->d_fileno == 0) {
inp += reclen; /* it is a hole; squish it out */
if (cookiep) {
off = *cookiep++;
ncookies--;
} else
off += reclen;
continue;
}
if (reclen > len || resid < sizeof(struct ibcs2_direct)) {
/* entry too big for buffer, so just stop */
outp++;
break;
}
/*
* Massage in place to make a iBCS2-shaped dirent (otherwise
* we have to worry about touching user memory outside of
* the copyout() call).
*
* TODO: if length(filename) > 14, then break filename into
* multiple entries and set inode = 0xffff except last
*/
idb.ino = (BSD_DIRENT(inp)->d_fileno > 0xfffe) ? 0xfffe :
BSD_DIRENT(inp)->d_fileno;
(void)copystr(BSD_DIRENT(inp)->d_name, idb.name, 14, &size);
bzero(idb.name + size, 14 - size);
if ((error = copyout(&idb, outp, sizeof(struct ibcs2_direct))) != 0)
goto out;
/* advance past this real entry */
if (cookiep) {
off = *cookiep++;
ncookies--;
} else
off += reclen;
inp += reclen;
/* advance output past iBCS2-shaped entry */
outp += sizeof(struct ibcs2_direct);
resid -= sizeof(struct ibcs2_direct);
}
/* if we squished out the whole block, try again */
if (outp == SCARG(uap, buf))
goto again;
fp->f_offset = off; /* update the vnode offset */
eof:
td->td_retval[0] = SCARG(uap, nbytes) - resid;
out:
if (cookies)
free(cookies, M_TEMP);
VOP_UNLOCK(vp, 0, td);
free(buf, M_TEMP);
return (error);
}
int
ibcs2_mknod(td, uap)
struct thread *td;
struct ibcs2_mknod_args *uap;
{
caddr_t sg = stackgap_init();
CHECKALTCREAT(td, &sg, SCARG(uap, path));
if (S_ISFIFO(SCARG(uap, mode))) {
struct mkfifo_args ap;
SCARG(&ap, path) = SCARG(uap, path);
SCARG(&ap, mode) = SCARG(uap, mode);
return mkfifo(td, &ap);
} else {
struct mknod_args ap;
SCARG(&ap, path) = SCARG(uap, path);
SCARG(&ap, mode) = SCARG(uap, mode);
SCARG(&ap, dev) = SCARG(uap, dev);
return mknod(td, &ap);
}
}
int
ibcs2_getgroups(td, uap)
struct thread *td;
struct ibcs2_getgroups_args *uap;
{
int error, i;
ibcs2_gid_t *iset = NULL;
struct getgroups_args sa;
gid_t *gp;
caddr_t sg = stackgap_init();
SCARG(&sa, gidsetsize) = SCARG(uap, gidsetsize);
if (SCARG(uap, gidsetsize)) {
SCARG(&sa, gidset) = stackgap_alloc(&sg, NGROUPS_MAX *
sizeof(gid_t *));
iset = stackgap_alloc(&sg, SCARG(uap, gidsetsize) *
sizeof(ibcs2_gid_t));
}
if ((error = getgroups(td, &sa)) != 0)
return error;
if (SCARG(uap, gidsetsize) == 0)
return 0;
for (i = 0, gp = SCARG(&sa, gidset); i < td->td_retval[0]; i++)
iset[i] = (ibcs2_gid_t)*gp++;
if (td->td_retval[0] && (error = copyout((caddr_t)iset,
(caddr_t)SCARG(uap, gidset),
sizeof(ibcs2_gid_t) * td->td_retval[0])))
return error;
return 0;
}
int
ibcs2_setgroups(td, uap)
struct thread *td;
struct ibcs2_setgroups_args *uap;
{
int error, i;
ibcs2_gid_t *iset;
struct setgroups_args sa;
gid_t *gp;
caddr_t sg = stackgap_init();
SCARG(&sa, gidsetsize) = SCARG(uap, gidsetsize);
SCARG(&sa, gidset) = stackgap_alloc(&sg, SCARG(&sa, gidsetsize) *
sizeof(gid_t *));
iset = stackgap_alloc(&sg, SCARG(&sa, gidsetsize) *
sizeof(ibcs2_gid_t *));
if (SCARG(&sa, gidsetsize)) {
if ((error = copyin((caddr_t)SCARG(uap, gidset), (caddr_t)iset,
sizeof(ibcs2_gid_t *) *
SCARG(uap, gidsetsize))) != 0)
return error;
}
for (i = 0, gp = SCARG(&sa, gidset); i < SCARG(&sa, gidsetsize); i++)
*gp++ = (gid_t)iset[i];
return setgroups(td, &sa);
}
int
ibcs2_setuid(td, uap)
struct thread *td;
struct ibcs2_setuid_args *uap;
{
struct setuid_args sa;
SCARG(&sa, uid) = (uid_t)SCARG(uap, uid);
return setuid(td, &sa);
}
int
ibcs2_setgid(td, uap)
struct thread *td;
struct ibcs2_setgid_args *uap;
{
struct setgid_args sa;
SCARG(&sa, gid) = (gid_t)SCARG(uap, gid);
return setgid(td, &sa);
}
int
ibcs2_time(td, uap)
struct thread *td;
struct ibcs2_time_args *uap;
{
struct timeval tv;
microtime(&tv);
td->td_retval[0] = tv.tv_sec;
if (SCARG(uap, tp))
return copyout((caddr_t)&tv.tv_sec, (caddr_t)SCARG(uap, tp),
sizeof(ibcs2_time_t));
else
return 0;
}
int
ibcs2_pathconf(td, uap)
struct thread *td;
struct ibcs2_pathconf_args *uap;
{
SCARG(uap, name)++; /* iBCS2 _PC_* defines are offset by one */
return pathconf(td, (struct pathconf_args *)uap);
}
int
ibcs2_fpathconf(td, uap)
struct thread *td;
struct ibcs2_fpathconf_args *uap;
{
SCARG(uap, name)++; /* iBCS2 _PC_* defines are offset by one */
return fpathconf(td, (struct fpathconf_args *)uap);
}
int
ibcs2_sysconf(td, uap)
struct thread *td;
struct ibcs2_sysconf_args *uap;
{
int mib[2], value, len, error;
struct sysctl_args sa;
struct __getrlimit_args ga;
switch(SCARG(uap, name)) {
case IBCS2_SC_ARG_MAX:
mib[1] = KERN_ARGMAX;
break;
case IBCS2_SC_CHILD_MAX:
{
caddr_t sg = stackgap_init();
SCARG(&ga, which) = RLIMIT_NPROC;
SCARG(&ga, rlp) = stackgap_alloc(&sg, sizeof(struct rlimit *));
if ((error = getrlimit(td, &ga)) != 0)
return error;
td->td_retval[0] = SCARG(&ga, rlp)->rlim_cur;
return 0;
}
case IBCS2_SC_CLK_TCK:
td->td_retval[0] = hz;
return 0;
case IBCS2_SC_NGROUPS_MAX:
mib[1] = KERN_NGROUPS;
break;
case IBCS2_SC_OPEN_MAX:
{
caddr_t sg = stackgap_init();
SCARG(&ga, which) = RLIMIT_NOFILE;
SCARG(&ga, rlp) = stackgap_alloc(&sg, sizeof(struct rlimit *));
if ((error = getrlimit(td, &ga)) != 0)
return error;
td->td_retval[0] = SCARG(&ga, rlp)->rlim_cur;
return 0;
}
case IBCS2_SC_JOB_CONTROL:
mib[1] = KERN_JOB_CONTROL;
break;
case IBCS2_SC_SAVED_IDS:
mib[1] = KERN_SAVED_IDS;
break;
case IBCS2_SC_VERSION:
mib[1] = KERN_POSIX1;
break;
case IBCS2_SC_PASS_MAX:
td->td_retval[0] = 128; /* XXX - should we create PASS_MAX ? */
return 0;
case IBCS2_SC_XOPEN_VERSION:
td->td_retval[0] = 2; /* XXX: What should that be? */
return 0;
default:
return EINVAL;
}
mib[0] = CTL_KERN;
len = sizeof(value);
SCARG(&sa, name) = mib;
SCARG(&sa, namelen) = 2;
SCARG(&sa, old) = &value;
SCARG(&sa, oldlenp) = &len;
SCARG(&sa, new) = NULL;
SCARG(&sa, newlen) = 0;
if ((error = __sysctl(td, &sa)) != 0)
return error;
td->td_retval[0] = value;
return 0;
}
int
ibcs2_alarm(td, uap)
struct thread *td;
struct ibcs2_alarm_args *uap;
{
int error;
struct itimerval *itp, *oitp;
struct setitimer_args sa;
caddr_t sg = stackgap_init();
itp = stackgap_alloc(&sg, sizeof(*itp));
oitp = stackgap_alloc(&sg, sizeof(*oitp));
timevalclear(&itp->it_interval);
itp->it_value.tv_sec = SCARG(uap, sec);
itp->it_value.tv_usec = 0;
SCARG(&sa, which) = ITIMER_REAL;
SCARG(&sa, itv) = itp;
SCARG(&sa, oitv) = oitp;
error = setitimer(td, &sa);
if (error)
return error;
if (oitp->it_value.tv_usec)
oitp->it_value.tv_sec++;
td->td_retval[0] = oitp->it_value.tv_sec;
return 0;
}
int
ibcs2_times(td, uap)
struct thread *td;
struct ibcs2_times_args *uap;
{
int error;
struct getrusage_args ga;
struct tms tms;
struct timeval t;
caddr_t sg = stackgap_init();
struct rusage *ru = stackgap_alloc(&sg, sizeof(*ru));
#define CONVTCK(r) (r.tv_sec * hz + r.tv_usec / (1000000 / hz))
SCARG(&ga, who) = RUSAGE_SELF;
SCARG(&ga, rusage) = ru;
error = getrusage(td, &ga);
if (error)
return error;
tms.tms_utime = CONVTCK(ru->ru_utime);
tms.tms_stime = CONVTCK(ru->ru_stime);
SCARG(&ga, who) = RUSAGE_CHILDREN;
error = getrusage(td, &ga);
if (error)
return error;
tms.tms_cutime = CONVTCK(ru->ru_utime);
tms.tms_cstime = CONVTCK(ru->ru_stime);
microtime(&t);
td->td_retval[0] = CONVTCK(t);
return copyout((caddr_t)&tms, (caddr_t)SCARG(uap, tp),
sizeof(struct tms));
}
int
ibcs2_stime(td, uap)
struct thread *td;
struct ibcs2_stime_args *uap;
{
int error;
struct settimeofday_args sa;
caddr_t sg = stackgap_init();
SCARG(&sa, tv) = stackgap_alloc(&sg, sizeof(*SCARG(&sa, tv)));
SCARG(&sa, tzp) = NULL;
if ((error = copyin((caddr_t)SCARG(uap, timep),
&(SCARG(&sa, tv)->tv_sec), sizeof(long))) != 0)
return error;
SCARG(&sa, tv)->tv_usec = 0;
if ((error = settimeofday(td, &sa)) != 0)
return EPERM;
return 0;
}
int
ibcs2_utime(td, uap)
struct thread *td;
struct ibcs2_utime_args *uap;
{
int error;
struct utimes_args sa;
struct timeval *tp;
caddr_t sg = stackgap_init();
CHECKALTEXIST(td, &sg, SCARG(uap, path));
SCARG(&sa, path) = SCARG(uap, path);
if (SCARG(uap, buf)) {
struct ibcs2_utimbuf ubuf;
if ((error = copyin((caddr_t)SCARG(uap, buf), (caddr_t)&ubuf,
sizeof(ubuf))) != 0)
return error;
SCARG(&sa, tptr) = stackgap_alloc(&sg,
2 * sizeof(struct timeval *));
tp = (struct timeval *)SCARG(&sa, tptr);
tp->tv_sec = ubuf.actime;
tp->tv_usec = 0;
tp++;
tp->tv_sec = ubuf.modtime;
tp->tv_usec = 0;
} else
SCARG(&sa, tptr) = NULL;
return utimes(td, &sa);
}
int
ibcs2_nice(td, uap)
struct thread *td;
struct ibcs2_nice_args *uap;
{
int error;
struct setpriority_args sa;
SCARG(&sa, which) = PRIO_PROCESS;
SCARG(&sa, who) = 0;
SCARG(&sa, prio) = td->td_ksegrp->kg_nice + SCARG(uap, incr);
if ((error = setpriority(td, &sa)) != 0)
return EPERM;
td->td_retval[0] = td->td_ksegrp->kg_nice;
return 0;
}
/*
* iBCS2 getpgrp, setpgrp, setsid, and setpgid
*/
int
ibcs2_pgrpsys(td, uap)
struct thread *td;
struct ibcs2_pgrpsys_args *uap;
{
struct proc *p = td->td_proc;
switch (SCARG(uap, type)) {
case 0: /* getpgrp */
PROC_LOCK(p);
td->td_retval[0] = p->p_pgrp->pg_id;
PROC_UNLOCK(p);
return 0;
case 1: /* setpgrp */
{
struct setpgid_args sa;
SCARG(&sa, pid) = 0;
SCARG(&sa, pgid) = 0;
setpgid(td, &sa);
PROC_LOCK(p);
td->td_retval[0] = p->p_pgrp->pg_id;
PROC_UNLOCK(p);
return 0;
}
case 2: /* setpgid */
{
struct setpgid_args sa;
SCARG(&sa, pid) = SCARG(uap, pid);
SCARG(&sa, pgid) = SCARG(uap, pgid);
return setpgid(td, &sa);
}
case 3: /* setsid */
return setsid(td, NULL);
default:
return EINVAL;
}
}
/*
* XXX - need to check for nested calls
*/
int
ibcs2_plock(td, uap)
struct thread *td;
struct ibcs2_plock_args *uap;
{
int error;
#define IBCS2_UNLOCK 0
#define IBCS2_PROCLOCK 1
#define IBCS2_TEXTLOCK 2
#define IBCS2_DATALOCK 4
if ((error = suser_td(td)) != 0)
return EPERM;
switch(SCARG(uap, cmd)) {
case IBCS2_UNLOCK:
case IBCS2_PROCLOCK:
case IBCS2_TEXTLOCK:
case IBCS2_DATALOCK:
return 0; /* XXX - TODO */
}
return EINVAL;
}
int
ibcs2_uadmin(td, uap)
struct thread *td;
struct ibcs2_uadmin_args *uap;
{
#define SCO_A_REBOOT 1
#define SCO_A_SHUTDOWN 2
#define SCO_A_REMOUNT 4
#define SCO_A_CLOCK 8
#define SCO_A_SETCONFIG 128
#define SCO_A_GETDEV 130
#define SCO_AD_HALT 0
#define SCO_AD_BOOT 1
#define SCO_AD_IBOOT 2
#define SCO_AD_PWRDOWN 3
#define SCO_AD_PWRNAP 4
#define SCO_AD_PANICBOOT 1
#define SCO_AD_GETBMAJ 0
#define SCO_AD_GETCMAJ 1
if (suser_td(td))
return EPERM;
switch(SCARG(uap, cmd)) {
case SCO_A_REBOOT:
case SCO_A_SHUTDOWN:
switch(SCARG(uap, func)) {
struct reboot_args r;
case SCO_AD_HALT:
case SCO_AD_PWRDOWN:
case SCO_AD_PWRNAP:
r.opt = RB_HALT;
reboot(td, &r);
case SCO_AD_BOOT:
case SCO_AD_IBOOT:
r.opt = RB_AUTOBOOT;
reboot(td, &r);
}
return EINVAL;
case SCO_A_REMOUNT:
case SCO_A_CLOCK:
case SCO_A_SETCONFIG:
return 0;
case SCO_A_GETDEV:
return EINVAL; /* XXX - TODO */
}
return EINVAL;
}
int
ibcs2_sysfs(td, uap)
struct thread *td;
struct ibcs2_sysfs_args *uap;
{
#define IBCS2_GETFSIND 1
#define IBCS2_GETFSTYP 2
#define IBCS2_GETNFSTYP 3
switch(SCARG(uap, cmd)) {
case IBCS2_GETFSIND:
case IBCS2_GETFSTYP:
case IBCS2_GETNFSTYP:
break;
}
return EINVAL; /* XXX - TODO */
}
int
ibcs2_unlink(td, uap)
struct thread *td;
struct ibcs2_unlink_args *uap;
{
caddr_t sg = stackgap_init();
CHECKALTEXIST(td, &sg, SCARG(uap, path));
return unlink(td, (struct unlink_args *)uap);
}
int
ibcs2_chdir(td, uap)
struct thread *td;
struct ibcs2_chdir_args *uap;
{
caddr_t sg = stackgap_init();
CHECKALTEXIST(td, &sg, SCARG(uap, path));
return chdir(td, (struct chdir_args *)uap);
}
int
ibcs2_chmod(td, uap)
struct thread *td;
struct ibcs2_chmod_args *uap;
{
caddr_t sg = stackgap_init();
CHECKALTEXIST(td, &sg, SCARG(uap, path));
return chmod(td, (struct chmod_args *)uap);
}
int
ibcs2_chown(td, uap)
struct thread *td;
struct ibcs2_chown_args *uap;
{
caddr_t sg = stackgap_init();
CHECKALTEXIST(td, &sg, SCARG(uap, path));
return chown(td, (struct chown_args *)uap);
}
int
ibcs2_rmdir(td, uap)
struct thread *td;
struct ibcs2_rmdir_args *uap;
{
caddr_t sg = stackgap_init();
CHECKALTEXIST(td, &sg, SCARG(uap, path));
return rmdir(td, (struct rmdir_args *)uap);
}
int
ibcs2_mkdir(td, uap)
struct thread *td;
struct ibcs2_mkdir_args *uap;
{
caddr_t sg = stackgap_init();
CHECKALTCREAT(td, &sg, SCARG(uap, path));
return mkdir(td, (struct mkdir_args *)uap);
}
int
ibcs2_symlink(td, uap)
struct thread *td;
struct ibcs2_symlink_args *uap;
{
caddr_t sg = stackgap_init();
CHECKALTEXIST(td, &sg, SCARG(uap, path));
CHECKALTCREAT(td, &sg, SCARG(uap, link));
return symlink(td, (struct symlink_args *)uap);
}
int
ibcs2_rename(td, uap)
struct thread *td;
struct ibcs2_rename_args *uap;
{
caddr_t sg = stackgap_init();
CHECKALTEXIST(td, &sg, SCARG(uap, from));
CHECKALTCREAT(td, &sg, SCARG(uap, to));
return rename(td, (struct rename_args *)uap);
}
int
ibcs2_readlink(td, uap)
struct thread *td;
struct ibcs2_readlink_args *uap;
{
caddr_t sg = stackgap_init();
CHECKALTEXIST(td, &sg, SCARG(uap, path));
return readlink(td, (struct readlink_args *) uap);
}
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