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
125 lines
3.3 KiB
C
125 lines
3.3 KiB
C
/*
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* Copyright (c) 1995 Steven Wallace
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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. 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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/*
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* IBCS2 compatibility module.
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*/
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#include "opt_spx_hack.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/sysproto.h>
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#include <i386/ibcs2/ibcs2_types.h>
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#include <i386/ibcs2/ibcs2_signal.h>
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#include <i386/ibcs2/ibcs2_util.h>
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#include <i386/ibcs2/ibcs2_proto.h>
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#define IBCS2_SECURE_GETLUID 1
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#define IBCS2_SECURE_SETLUID 2
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int
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ibcs2_secure(struct thread *td, struct ibcs2_secure_args *uap)
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{
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switch (uap->cmd) {
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case IBCS2_SECURE_GETLUID: /* get login uid */
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PROC_LOCK(td->td_proc);
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td->td_retval[0] = td->td_proc->p_ucred->cr_uid;
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PROC_UNLOCK(td->td_proc);
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return 0;
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case IBCS2_SECURE_SETLUID: /* set login uid */
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return EPERM;
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default:
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printf("IBCS2: 'secure' cmd=%d not implemented\n", uap->cmd);
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}
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return EINVAL;
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}
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int
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ibcs2_lseek(struct thread *td, register struct ibcs2_lseek_args *uap)
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{
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struct lseek_args largs;
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int error;
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largs.fd = uap->fd;
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largs.offset = uap->offset;
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largs.whence = uap->whence;
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error = lseek(td, &largs);
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return (error);
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}
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#ifdef SPX_HACK
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#include <sys/socket.h>
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#include <sys/un.h>
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int
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spx_open(struct thread *td, void *uap)
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{
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struct socket_args sock;
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struct connect_args conn;
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struct sockaddr_un *Xaddr;
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int fd, error;
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caddr_t sg = stackgap_init();
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/* obtain a socket. */
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DPRINTF(("SPX: open socket\n"));
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sock.domain = AF_UNIX;
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sock.type = SOCK_STREAM;
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sock.protocol = 0;
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error = socket(td, &sock);
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if (error)
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return error;
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/* connect the socket to standard X socket */
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DPRINTF(("SPX: connect to /tmp/X11-unix/X0\n"));
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Xaddr = stackgap_alloc(&sg, sizeof(struct sockaddr_un));
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Xaddr->sun_family = AF_UNIX;
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Xaddr->sun_len = sizeof(struct sockaddr_un) - sizeof(Xaddr->sun_path) +
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strlen(Xaddr->sun_path) + 1;
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copyout("/tmp/.X11-unix/X0", Xaddr->sun_path, 18);
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conn.s = fd = td->td_retval[0];
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conn.name = (caddr_t)Xaddr;
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conn.namelen = sizeof(struct sockaddr_un);
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error = connect(td, &conn);
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if (error) {
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struct close_args cl;
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cl.fd = fd;
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close(td, &cl);
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return error;
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}
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td->td_retval[0] = fd;
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return 0;
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}
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#endif /* SPX_HACK */
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