1656 lines
36 KiB
C
1656 lines
36 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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/*
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* SVR4 compatibility module.
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*
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* SVR4 system calls that are implemented differently in BSD are
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* handled here.
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/namei.h>
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#include <sys/dirent.h>
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#include <sys/malloc.h>
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#include <sys/proc.h>
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#include <sys/file.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <sys/file.h>
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#include <sys/filedesc.h>
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#include <sys/kernel.h>
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#include <sys/mman.h>
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#include <sys/mount.h>
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#include <sys/resource.h>
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#include <sys/resourcevar.h>
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#include <sys/vnode.h>
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#include <sys/uio.h>
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#include <sys/wait.h>
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#include <sys/times.h>
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#include <sys/fcntl.h>
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#include <sys/sem.h>
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#include <sys/msg.h>
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#include <sys/ptrace.h>
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#include <sys/sysproto.h>
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#include <svr4/svr4.h>
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#include <svr4/svr4_types.h>
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#include <svr4/svr4_signal.h>
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#include <svr4/svr4_proto.h>
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#include <svr4/svr4_util.h>
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#include <svr4/svr4_sysconfig.h>
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#include <svr4/svr4_dirent.h>
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#include <svr4/svr4_acl.h>
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#include <svr4/svr4_ulimit.h>
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#include <svr4/svr4_statvfs.h>
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#include <svr4/svr4_hrt.h>
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#include <svr4/svr4_mman.h>
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#include <svr4/svr4_wait.h>
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#include <machine/vmparam.h>
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#include <vm/vm.h>
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#include <vm/vm_param.h>
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#include <vm/vm_map.h>
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#if defined(NetBSD)
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# if defined(UVM)
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# include <uvm/uvm_extern.h>
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# endif
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#endif
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#define BSD_DIRENT(cp) ((struct dirent *)(cp))
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static int svr4_mknod __P((struct proc *, register_t *, char *,
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svr4_mode_t, svr4_dev_t));
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static __inline clock_t timeval_to_clock_t __P((struct timeval *));
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static int svr4_setinfo __P((struct proc *, int, svr4_siginfo_t *));
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struct svr4_hrtcntl_args;
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static int svr4_hrtcntl __P((struct proc *, struct svr4_hrtcntl_args *,
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register_t *));
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static void bsd_statfs_to_svr4_statvfs __P((const struct statfs *,
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struct svr4_statvfs *));
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static void bsd_statfs_to_svr4_statvfs64 __P((const struct statfs *,
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struct svr4_statvfs64 *));
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static struct proc *svr4_pfind __P((pid_t pid));
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/* BOGUS noop */
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#if defined(BOGUS)
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int
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svr4_sys_setitimer(p, uap)
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register struct proc *p;
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struct svr4_sys_setitimer_args *uap;
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{
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p->p_retval[0] = 0;
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return 0;
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}
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#endif
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int
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svr4_sys_wait(p, uap)
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struct proc *p;
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struct svr4_sys_wait_args *uap;
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{
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struct wait_args w4;
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int error, *retval = p->p_retval, st, sig;
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size_t sz = sizeof(*SCARG(&w4, status));
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SCARG(&w4, rusage) = NULL;
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SCARG(&w4, options) = 0;
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if (SCARG(uap, status) == NULL) {
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caddr_t sg = stackgap_init();
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SCARG(&w4, status) = stackgap_alloc(&sg, sz);
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}
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else
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SCARG(&w4, status) = SCARG(uap, status);
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SCARG(&w4, pid) = WAIT_ANY;
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if ((error = wait4(p, &w4)) != 0)
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return error;
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if ((error = copyin(SCARG(&w4, status), &st, sizeof(st))) != 0)
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return error;
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if (WIFSIGNALED(st)) {
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sig = WTERMSIG(st);
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if (sig >= 0 && sig < NSIG)
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st = (st & ~0177) | SVR4_BSD2SVR4_SIG(sig);
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} else if (WIFSTOPPED(st)) {
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sig = WSTOPSIG(st);
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if (sig >= 0 && sig < NSIG)
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st = (st & ~0xff00) | (SVR4_BSD2SVR4_SIG(sig) << 8);
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}
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/*
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* It looks like wait(2) on svr4/solaris/2.4 returns
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* the status in retval[1], and the pid on retval[0].
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*/
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retval[1] = st;
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if (SCARG(uap, status))
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if ((error = copyout(&st, SCARG(uap, status), sizeof(st))) != 0)
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return error;
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return 0;
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}
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int
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svr4_sys_execv(p, uap)
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struct proc *p;
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struct svr4_sys_execv_args *uap;
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{
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struct execve_args ap;
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caddr_t sg;
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sg = stackgap_init();
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CHECKALTEXIST(p, &sg, SCARG(uap, path));
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SCARG(&ap, fname) = SCARG(uap, path);
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SCARG(&ap, argv) = SCARG(uap, argp);
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SCARG(&ap, envv) = NULL;
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return execve(p, &ap);
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}
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int
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svr4_sys_execve(p, uap)
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struct proc *p;
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struct svr4_sys_execve_args *uap;
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{
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struct execve_args ap;
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caddr_t sg;
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sg = stackgap_init();
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CHECKALTEXIST(p, &sg, uap->path);
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SCARG(&ap, fname) = SCARG(uap, path);
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SCARG(&ap, argv) = SCARG(uap, argp);
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SCARG(&ap, envv) = SCARG(uap, envp);
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return execve(p, &ap);
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}
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int
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svr4_sys_time(p, v)
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struct proc *p;
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struct svr4_sys_time_args *v;
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{
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struct svr4_sys_time_args *uap = v;
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int error = 0;
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struct timeval tv;
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microtime(&tv);
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if (SCARG(uap, t))
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error = copyout(&tv.tv_sec, SCARG(uap, t),
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sizeof(*(SCARG(uap, t))));
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p->p_retval[0] = (int) tv.tv_sec;
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return error;
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}
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/*
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* Read SVR4-style directory entries. We suck them into kernel space so
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* that they can be massaged before being copied out to user code.
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*
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* This code is ported from the Linux emulator: Changes to the VFS interface
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* between FreeBSD and NetBSD have made it simpler to port it from there than
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* to adapt the NetBSD version.
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*/
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int
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svr4_sys_getdents64(p, uap)
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struct proc *p;
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struct svr4_sys_getdents64_args *uap;
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{
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register struct dirent *bdp;
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struct vnode *vp;
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caddr_t inp, buf; /* BSD-format */
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int len, reclen; /* BSD-format */
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caddr_t outp; /* SVR4-format */
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int resid, svr4reclen=0; /* SVR4-format */
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struct file *fp;
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struct uio auio;
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struct iovec aiov;
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struct vattr va;
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off_t off;
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struct svr4_dirent64 svr4_dirent;
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int buflen, error, eofflag, nbytes, justone;
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u_long *cookies = NULL, *cookiep;
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int ncookies;
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DPRINTF(("svr4_sys_getdents64(%d, *, %d)\n",
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p->p_pid, SCARG(uap, fd), SCARG(uap, nbytes)));
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if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) {
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return (error);
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}
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if ((fp->f_flag & FREAD) == 0)
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return (EBADF);
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vp = (struct vnode *) fp->f_data;
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if (vp->v_type != VDIR)
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return (EINVAL);
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if ((error = VOP_GETATTR(vp, &va, p->p_ucred, p))) {
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return error;
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}
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nbytes = SCARG(uap, nbytes);
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if (nbytes == 1) {
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nbytes = sizeof (struct svr4_dirent64);
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justone = 1;
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}
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else
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justone = 0;
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off = fp->f_offset;
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#define DIRBLKSIZ 512 /* XXX we used to use ufs's DIRBLKSIZ */
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buflen = max(DIRBLKSIZ, nbytes);
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buflen = min(buflen, MAXBSIZE);
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buf = malloc(buflen, M_TEMP, M_WAITOK);
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vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
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again:
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aiov.iov_base = buf;
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aiov.iov_len = buflen;
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auio.uio_iov = &aiov;
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auio.uio_iovcnt = 1;
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auio.uio_rw = UIO_READ;
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auio.uio_segflg = UIO_SYSSPACE;
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auio.uio_procp = p;
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auio.uio_resid = buflen;
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auio.uio_offset = off;
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if (cookies) {
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free(cookies, M_TEMP);
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cookies = NULL;
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}
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error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag,
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&ncookies, &cookies);
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if (error) {
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goto out;
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}
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inp = buf;
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outp = (caddr_t) SCARG(uap, dp);
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resid = nbytes;
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if ((len = buflen - auio.uio_resid) <= 0) {
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goto eof;
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}
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cookiep = cookies;
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if (cookies) {
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/*
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* When using cookies, the vfs has the option of reading from
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* a different offset than that supplied (UFS truncates the
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* offset to a block boundary to make sure that it never reads
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* partway through a directory entry, even if the directory
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* has been compacted).
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*/
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while (len > 0 && ncookies > 0 && *cookiep <= off) {
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bdp = (struct dirent *) inp;
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len -= bdp->d_reclen;
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inp += bdp->d_reclen;
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cookiep++;
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ncookies--;
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}
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}
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while (len > 0) {
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if (cookiep && ncookies == 0)
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break;
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bdp = (struct dirent *) inp;
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reclen = bdp->d_reclen;
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if (reclen & 3) {
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DPRINTF(("svr4_readdir: reclen=%d\n", reclen));
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error = EFAULT;
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goto out;
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}
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if (bdp->d_fileno == 0) {
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inp += reclen;
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if (cookiep) {
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off = *cookiep++;
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ncookies--;
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} else
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off += reclen;
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len -= reclen;
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continue;
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}
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svr4reclen = SVR4_RECLEN(&svr4_dirent, bdp->d_namlen);
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if (reclen > len || resid < svr4reclen) {
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outp++;
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break;
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}
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svr4_dirent.d_ino = (long) bdp->d_fileno;
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if (justone) {
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/*
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* old svr4-style readdir usage.
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*/
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svr4_dirent.d_off = (svr4_off_t) svr4reclen;
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svr4_dirent.d_reclen = (u_short) bdp->d_namlen;
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} else {
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svr4_dirent.d_off = (svr4_off_t)(off + reclen);
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svr4_dirent.d_reclen = (u_short) svr4reclen;
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}
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strcpy(svr4_dirent.d_name, bdp->d_name);
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if ((error = copyout((caddr_t)&svr4_dirent, outp, svr4reclen)))
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goto out;
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inp += reclen;
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if (cookiep) {
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off = *cookiep++;
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ncookies--;
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} else
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off += reclen;
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outp += svr4reclen;
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resid -= svr4reclen;
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len -= reclen;
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if (justone)
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break;
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}
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if (outp == (caddr_t) SCARG(uap, dp))
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goto again;
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fp->f_offset = off;
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if (justone)
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nbytes = resid + svr4reclen;
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eof:
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p->p_retval[0] = nbytes - resid;
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out:
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if (cookies)
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free(cookies, M_TEMP);
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VOP_UNLOCK(vp, 0, p);
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free(buf, M_TEMP);
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return error;
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}
|
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|
|
|
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int
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svr4_sys_getdents(p, uap)
|
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struct proc *p;
|
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struct svr4_sys_getdents_args *uap;
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{
|
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struct dirent *bdp;
|
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struct vnode *vp;
|
|
caddr_t inp, buf; /* BSD-format */
|
|
int len, reclen; /* BSD-format */
|
|
caddr_t outp; /* SVR4-format */
|
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int resid, svr4_reclen; /* SVR4-format */
|
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struct file *fp;
|
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struct uio auio;
|
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struct iovec aiov;
|
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struct svr4_dirent idb;
|
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off_t off; /* true file offset */
|
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int buflen, error, eofflag;
|
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u_long *cookiebuf = NULL, *cookie;
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int ncookies = 0, *retval = p->p_retval;
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|
|
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if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0)
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return (error);
|
|
|
|
if ((fp->f_flag & FREAD) == 0)
|
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return (EBADF);
|
|
|
|
vp = (struct vnode *)fp->f_data;
|
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if (vp->v_type != VDIR)
|
|
return (EINVAL);
|
|
|
|
buflen = min(MAXBSIZE, SCARG(uap, nbytes));
|
|
buf = malloc(buflen, M_TEMP, M_WAITOK);
|
|
vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
|
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off = fp->f_offset;
|
|
again:
|
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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_procp = p;
|
|
auio.uio_resid = buflen;
|
|
auio.uio_offset = off;
|
|
/*
|
|
* First we read into the malloc'ed buffer, then
|
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* we massage it into user space, one record at a time.
|
|
*/
|
|
error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &ncookies,
|
|
&cookiebuf);
|
|
if (error)
|
|
goto out;
|
|
|
|
inp = buf;
|
|
outp = SCARG(uap, buf);
|
|
resid = SCARG(uap, nbytes);
|
|
if ((len = buflen - auio.uio_resid) == 0)
|
|
goto eof;
|
|
|
|
for (cookie = cookiebuf; len > 0; len -= reclen) {
|
|
bdp = (struct dirent *)inp;
|
|
reclen = bdp->d_reclen;
|
|
if (reclen & 3)
|
|
panic("svr4_sys_getdents64: bad reclen");
|
|
off = *cookie++; /* each entry points to the next */
|
|
if ((off >> 32) != 0) {
|
|
uprintf("svr4_sys_getdents64: dir offset too large for emulated program");
|
|
error = EINVAL;
|
|
goto out;
|
|
}
|
|
if (bdp->d_fileno == 0) {
|
|
inp += reclen; /* it is a hole; squish it out */
|
|
continue;
|
|
}
|
|
svr4_reclen = SVR4_RECLEN(&idb, bdp->d_namlen);
|
|
if (reclen > len || resid < svr4_reclen) {
|
|
/* entry too big for buffer, so just stop */
|
|
outp++;
|
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break;
|
|
}
|
|
/*
|
|
* Massage in place to make a SVR4-shaped dirent (otherwise
|
|
* we have to worry about touching user memory outside of
|
|
* the copyout() call).
|
|
*/
|
|
idb.d_ino = (svr4_ino_t)bdp->d_fileno;
|
|
idb.d_off = (svr4_off_t)off;
|
|
idb.d_reclen = (u_short)svr4_reclen;
|
|
strcpy(idb.d_name, bdp->d_name);
|
|
if ((error = copyout((caddr_t)&idb, outp, svr4_reclen)))
|
|
goto out;
|
|
/* advance past this real entry */
|
|
inp += reclen;
|
|
/* advance output past SVR4-shaped entry */
|
|
outp += svr4_reclen;
|
|
resid -= svr4_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:
|
|
*retval = SCARG(uap, nbytes) - resid;
|
|
out:
|
|
VOP_UNLOCK(vp, 0, p);
|
|
if (cookiebuf)
|
|
free(cookiebuf, M_TEMP);
|
|
free(buf, M_TEMP);
|
|
return error;
|
|
}
|
|
|
|
|
|
int
|
|
svr4_sys_mmap(p, uap)
|
|
struct proc *p;
|
|
struct svr4_sys_mmap_args *uap;
|
|
{
|
|
struct mmap_args mm;
|
|
int *retval;
|
|
|
|
retval = p->p_retval;
|
|
#define _MAP_NEW 0x80000000
|
|
/*
|
|
* Verify the arguments.
|
|
*/
|
|
if (SCARG(uap, prot) & ~(PROT_READ | PROT_WRITE | PROT_EXEC))
|
|
return EINVAL; /* XXX still needed? */
|
|
|
|
if (SCARG(uap, len) == 0)
|
|
return EINVAL;
|
|
|
|
SCARG(&mm, prot) = SCARG(uap, prot);
|
|
SCARG(&mm, len) = SCARG(uap, len);
|
|
SCARG(&mm, flags) = SCARG(uap, flags) & ~_MAP_NEW;
|
|
SCARG(&mm, fd) = SCARG(uap, fd);
|
|
SCARG(&mm, addr) = SCARG(uap, addr);
|
|
SCARG(&mm, pos) = SCARG(uap, pos);
|
|
|
|
return mmap(p, &mm);
|
|
}
|
|
|
|
int
|
|
svr4_sys_mmap64(p, uap)
|
|
struct proc *p;
|
|
struct svr4_sys_mmap64_args *uap;
|
|
{
|
|
struct mmap_args mm;
|
|
void *rp;
|
|
|
|
#define _MAP_NEW 0x80000000
|
|
/*
|
|
* Verify the arguments.
|
|
*/
|
|
if (SCARG(uap, prot) & ~(PROT_READ | PROT_WRITE | PROT_EXEC))
|
|
return EINVAL; /* XXX still needed? */
|
|
|
|
if (SCARG(uap, len) == 0)
|
|
return EINVAL;
|
|
|
|
SCARG(&mm, prot) = SCARG(uap, prot);
|
|
SCARG(&mm, len) = SCARG(uap, len);
|
|
SCARG(&mm, flags) = SCARG(uap, flags) & ~_MAP_NEW;
|
|
SCARG(&mm, fd) = SCARG(uap, fd);
|
|
SCARG(&mm, addr) = SCARG(uap, addr);
|
|
SCARG(&mm, pos) = SCARG(uap, pos);
|
|
|
|
rp = (void *) round_page((vm_offset_t)(p->p_vmspace->vm_daddr + MAXDSIZ));
|
|
if ((SCARG(&mm, flags) & MAP_FIXED) == 0 &&
|
|
SCARG(&mm, addr) != 0 && (void *)SCARG(&mm, addr) < rp)
|
|
SCARG(&mm, addr) = rp;
|
|
|
|
return mmap(p, &mm);
|
|
}
|
|
|
|
|
|
int
|
|
svr4_sys_fchroot(p, uap)
|
|
struct proc *p;
|
|
struct svr4_sys_fchroot_args *uap;
|
|
{
|
|
struct filedesc *fdp = p->p_fd;
|
|
struct vnode *vp;
|
|
struct file *fp;
|
|
int error;
|
|
|
|
if ((error = suser(p)) != 0)
|
|
return error;
|
|
if ((error = getvnode(fdp, SCARG(uap, fd), &fp)) != 0)
|
|
return error;
|
|
vp = (struct vnode *) fp->f_data;
|
|
vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
|
|
if (vp->v_type != VDIR)
|
|
error = ENOTDIR;
|
|
else
|
|
error = VOP_ACCESS(vp, VEXEC, p->p_ucred, p);
|
|
VOP_UNLOCK(vp, 0, p);
|
|
if (error)
|
|
return error;
|
|
VREF(vp);
|
|
if (fdp->fd_rdir != NULL)
|
|
vrele(fdp->fd_rdir);
|
|
fdp->fd_rdir = vp;
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int
|
|
svr4_mknod(p, retval, path, mode, dev)
|
|
struct proc *p;
|
|
register_t *retval;
|
|
char *path;
|
|
svr4_mode_t mode;
|
|
svr4_dev_t dev;
|
|
{
|
|
caddr_t sg = stackgap_init();
|
|
|
|
CHECKALTEXIST(p, &sg, path);
|
|
|
|
if (S_ISFIFO(mode)) {
|
|
struct mkfifo_args ap;
|
|
SCARG(&ap, path) = path;
|
|
SCARG(&ap, mode) = mode;
|
|
return mkfifo(p, &ap);
|
|
} else {
|
|
struct mknod_args ap;
|
|
SCARG(&ap, path) = path;
|
|
SCARG(&ap, mode) = mode;
|
|
SCARG(&ap, dev) = dev;
|
|
return mknod(p, &ap);
|
|
}
|
|
}
|
|
|
|
|
|
int
|
|
svr4_sys_mknod(p, uap)
|
|
register struct proc *p;
|
|
struct svr4_sys_mknod_args *uap;
|
|
{
|
|
int *retval = p->p_retval;
|
|
return svr4_mknod(p, retval,
|
|
SCARG(uap, path), SCARG(uap, mode),
|
|
(svr4_dev_t)svr4_to_bsd_odev_t(SCARG(uap, dev)));
|
|
}
|
|
|
|
|
|
int
|
|
svr4_sys_xmknod(p, uap)
|
|
struct proc *p;
|
|
struct svr4_sys_xmknod_args *uap;
|
|
{
|
|
int *retval = p->p_retval;
|
|
return svr4_mknod(p, retval,
|
|
SCARG(uap, path), SCARG(uap, mode),
|
|
(svr4_dev_t)svr4_to_bsd_dev_t(SCARG(uap, dev)));
|
|
}
|
|
|
|
|
|
int
|
|
svr4_sys_vhangup(p, uap)
|
|
struct proc *p;
|
|
struct svr4_sys_vhangup_args *uap;
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
|
|
int
|
|
svr4_sys_sysconfig(p, uap)
|
|
struct proc *p;
|
|
struct svr4_sys_sysconfig_args *uap;
|
|
{
|
|
int *retval;
|
|
|
|
retval = &(p->p_retval[0]);
|
|
|
|
switch (SCARG(uap, name)) {
|
|
case SVR4_CONFIG_UNUSED:
|
|
*retval = 0;
|
|
break;
|
|
case SVR4_CONFIG_NGROUPS:
|
|
*retval = NGROUPS_MAX;
|
|
break;
|
|
case SVR4_CONFIG_CHILD_MAX:
|
|
*retval = maxproc;
|
|
break;
|
|
case SVR4_CONFIG_OPEN_FILES:
|
|
*retval = maxfiles;
|
|
break;
|
|
case SVR4_CONFIG_POSIX_VER:
|
|
*retval = 198808;
|
|
break;
|
|
case SVR4_CONFIG_PAGESIZE:
|
|
*retval = PAGE_SIZE;
|
|
break;
|
|
case SVR4_CONFIG_CLK_TCK:
|
|
*retval = 60; /* should this be `hz', ie. 100? */
|
|
break;
|
|
case SVR4_CONFIG_XOPEN_VER:
|
|
*retval = 2; /* XXX: What should that be? */
|
|
break;
|
|
case SVR4_CONFIG_PROF_TCK:
|
|
*retval = 60; /* XXX: What should that be? */
|
|
break;
|
|
case SVR4_CONFIG_NPROC_CONF:
|
|
*retval = 1; /* Only one processor for now */
|
|
break;
|
|
case SVR4_CONFIG_NPROC_ONLN:
|
|
*retval = 1; /* And it better be online */
|
|
break;
|
|
case SVR4_CONFIG_AIO_LISTIO_MAX:
|
|
case SVR4_CONFIG_AIO_MAX:
|
|
case SVR4_CONFIG_AIO_PRIO_DELTA_MAX:
|
|
*retval = 0; /* No aio support */
|
|
break;
|
|
case SVR4_CONFIG_DELAYTIMER_MAX:
|
|
*retval = 0; /* No delaytimer support */
|
|
break;
|
|
case SVR4_CONFIG_MQ_OPEN_MAX:
|
|
*retval = msginfo.msgmni;
|
|
break;
|
|
case SVR4_CONFIG_MQ_PRIO_MAX:
|
|
*retval = 0; /* XXX: Don't know */
|
|
break;
|
|
case SVR4_CONFIG_RTSIG_MAX:
|
|
*retval = 0;
|
|
break;
|
|
case SVR4_CONFIG_SEM_NSEMS_MAX:
|
|
*retval = seminfo.semmni;
|
|
break;
|
|
case SVR4_CONFIG_SEM_VALUE_MAX:
|
|
*retval = seminfo.semvmx;
|
|
break;
|
|
case SVR4_CONFIG_SIGQUEUE_MAX:
|
|
*retval = 0; /* XXX: Don't know */
|
|
break;
|
|
case SVR4_CONFIG_SIGRT_MIN:
|
|
case SVR4_CONFIG_SIGRT_MAX:
|
|
*retval = 0; /* No real time signals */
|
|
break;
|
|
case SVR4_CONFIG_TIMER_MAX:
|
|
*retval = 3; /* XXX: real, virtual, profiling */
|
|
break;
|
|
#if defined(NOTYET)
|
|
case SVR4_CONFIG_PHYS_PAGES:
|
|
#if defined(UVM)
|
|
*retval = uvmexp.free; /* XXX: free instead of total */
|
|
#else
|
|
*retval = cnt.v_free_count; /* XXX: free instead of total */
|
|
#endif
|
|
break;
|
|
case SVR4_CONFIG_AVPHYS_PAGES:
|
|
#if defined(UVM)
|
|
*retval = uvmexp.active; /* XXX: active instead of avg */
|
|
#else
|
|
*retval = cnt.v_active_count; /* XXX: active instead of avg */
|
|
#endif
|
|
break;
|
|
#endif /* NOTYET */
|
|
|
|
default:
|
|
return EINVAL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
extern int swap_pager_full;
|
|
|
|
/* ARGSUSED */
|
|
int
|
|
svr4_sys_break(p, uap)
|
|
struct proc *p;
|
|
struct svr4_sys_break_args *uap;
|
|
{
|
|
struct vmspace *vm = p->p_vmspace;
|
|
vm_offset_t new, old, base, ns;
|
|
int rv;
|
|
|
|
base = round_page((vm_offset_t) vm->vm_daddr);
|
|
ns = (vm_offset_t)SCARG(uap, nsize);
|
|
new = round_page(ns);
|
|
if (new > base) {
|
|
if ((new - base) > (unsigned) p->p_rlimit[RLIMIT_DATA].rlim_cur) {
|
|
return ENOMEM;
|
|
}
|
|
if (new >= VM_MAXUSER_ADDRESS) {
|
|
return (ENOMEM);
|
|
}
|
|
} else if (new < base) {
|
|
/*
|
|
* This is simply an invalid value. If someone wants to
|
|
* do fancy address space manipulations, mmap and munmap
|
|
* can do most of what the user would want.
|
|
*/
|
|
return EINVAL;
|
|
}
|
|
|
|
old = base + ctob(vm->vm_dsize);
|
|
|
|
if (new > old) {
|
|
vm_size_t diff;
|
|
if (swap_pager_full) {
|
|
return (ENOMEM);
|
|
}
|
|
diff = new - old;
|
|
rv = vm_map_find(&vm->vm_map, NULL, 0, &old, diff, FALSE,
|
|
VM_PROT_ALL, VM_PROT_ALL, 0);
|
|
if (rv != KERN_SUCCESS) {
|
|
return (ENOMEM);
|
|
}
|
|
vm->vm_dsize += btoc(diff);
|
|
} else if (new < old) {
|
|
rv = vm_map_remove(&vm->vm_map, new, old);
|
|
if (rv != KERN_SUCCESS) {
|
|
return (ENOMEM);
|
|
}
|
|
vm->vm_dsize -= btoc(old - new);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
static __inline clock_t
|
|
timeval_to_clock_t(tv)
|
|
struct timeval *tv;
|
|
{
|
|
return tv->tv_sec * hz + tv->tv_usec / (1000000 / hz);
|
|
}
|
|
|
|
|
|
int
|
|
svr4_sys_times(p, uap)
|
|
struct proc *p;
|
|
struct svr4_sys_times_args *uap;
|
|
{
|
|
int error, *retval = p->p_retval;
|
|
struct tms tms;
|
|
struct timeval t;
|
|
struct rusage *ru;
|
|
struct rusage r;
|
|
struct getrusage_args ga;
|
|
|
|
caddr_t sg = stackgap_init();
|
|
ru = stackgap_alloc(&sg, sizeof(struct rusage));
|
|
|
|
SCARG(&ga, who) = RUSAGE_SELF;
|
|
SCARG(&ga, rusage) = ru;
|
|
|
|
error = getrusage(p, &ga);
|
|
if (error)
|
|
return error;
|
|
|
|
if ((error = copyin(ru, &r, sizeof r)) != 0)
|
|
return error;
|
|
|
|
tms.tms_utime = timeval_to_clock_t(&r.ru_utime);
|
|
tms.tms_stime = timeval_to_clock_t(&r.ru_stime);
|
|
|
|
SCARG(&ga, who) = RUSAGE_CHILDREN;
|
|
error = getrusage(p, &ga);
|
|
if (error)
|
|
return error;
|
|
|
|
if ((error = copyin(ru, &r, sizeof r)) != 0)
|
|
return error;
|
|
|
|
tms.tms_cutime = timeval_to_clock_t(&r.ru_utime);
|
|
tms.tms_cstime = timeval_to_clock_t(&r.ru_stime);
|
|
|
|
microtime(&t);
|
|
*retval = timeval_to_clock_t(&t);
|
|
|
|
return copyout(&tms, SCARG(uap, tp), sizeof(tms));
|
|
}
|
|
|
|
|
|
int
|
|
svr4_sys_ulimit(p, uap)
|
|
struct proc *p;
|
|
struct svr4_sys_ulimit_args *uap;
|
|
{
|
|
int *retval = p->p_retval;
|
|
|
|
switch (SCARG(uap, cmd)) {
|
|
case SVR4_GFILLIM:
|
|
*retval = p->p_rlimit[RLIMIT_FSIZE].rlim_cur / 512;
|
|
if (*retval == -1)
|
|
*retval = 0x7fffffff;
|
|
return 0;
|
|
|
|
case SVR4_SFILLIM:
|
|
{
|
|
int error;
|
|
struct __setrlimit_args srl;
|
|
struct rlimit krl;
|
|
caddr_t sg = stackgap_init();
|
|
struct rlimit *url = (struct rlimit *)
|
|
stackgap_alloc(&sg, sizeof *url);
|
|
|
|
krl.rlim_cur = SCARG(uap, newlimit) * 512;
|
|
krl.rlim_max = p->p_rlimit[RLIMIT_FSIZE].rlim_max;
|
|
|
|
error = copyout(&krl, url, sizeof(*url));
|
|
if (error)
|
|
return error;
|
|
|
|
SCARG(&srl, which) = RLIMIT_FSIZE;
|
|
SCARG(&srl, rlp) = (struct orlimit *)url;
|
|
|
|
error = setrlimit(p, &srl);
|
|
if (error)
|
|
return error;
|
|
|
|
*retval = p->p_rlimit[RLIMIT_FSIZE].rlim_cur;
|
|
if (*retval == -1)
|
|
*retval = 0x7fffffff;
|
|
return 0;
|
|
}
|
|
|
|
case SVR4_GMEMLIM:
|
|
{
|
|
struct vmspace *vm = p->p_vmspace;
|
|
register_t r = p->p_rlimit[RLIMIT_DATA].rlim_cur;
|
|
|
|
if (r == -1)
|
|
r = 0x7fffffff;
|
|
r += (long) vm->vm_daddr;
|
|
if (r < 0)
|
|
r = 0x7fffffff;
|
|
*retval = r;
|
|
return 0;
|
|
}
|
|
|
|
case SVR4_GDESLIM:
|
|
*retval = p->p_rlimit[RLIMIT_NOFILE].rlim_cur;
|
|
if (*retval == -1)
|
|
*retval = 0x7fffffff;
|
|
return 0;
|
|
|
|
default:
|
|
return EINVAL;
|
|
}
|
|
}
|
|
|
|
static struct proc *
|
|
svr4_pfind(pid)
|
|
pid_t pid;
|
|
{
|
|
struct proc *p;
|
|
|
|
/* look in the live processes */
|
|
if ((p = pfind(pid)) != NULL)
|
|
return p;
|
|
|
|
/* look in the zombies */
|
|
for (p = zombproc.lh_first; p != 0; p = p->p_list.le_next)
|
|
if (p->p_pid == pid)
|
|
return p;
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
int
|
|
svr4_sys_pgrpsys(p, uap)
|
|
struct proc *p;
|
|
struct svr4_sys_pgrpsys_args *uap;
|
|
{
|
|
int *retval = p->p_retval;
|
|
|
|
switch (SCARG(uap, cmd)) {
|
|
case 1: /* setpgrp() */
|
|
/*
|
|
* SVR4 setpgrp() (which takes no arguments) has the
|
|
* semantics that the session ID is also created anew, so
|
|
* in almost every sense, setpgrp() is identical to
|
|
* setsid() for SVR4. (Under BSD, the difference is that
|
|
* a setpgid(0,0) will not create a new session.)
|
|
*/
|
|
setsid(p, NULL);
|
|
/*FALLTHROUGH*/
|
|
|
|
case 0: /* getpgrp() */
|
|
*retval = p->p_pgrp->pg_id;
|
|
return 0;
|
|
|
|
case 2: /* getsid(pid) */
|
|
if (SCARG(uap, pid) != 0 &&
|
|
(p = svr4_pfind(SCARG(uap, pid))) == NULL)
|
|
return ESRCH;
|
|
/*
|
|
* This has already been initialized to the pid of
|
|
* the session leader.
|
|
*/
|
|
*retval = (register_t) p->p_session->s_leader->p_pid;
|
|
return 0;
|
|
|
|
case 3: /* setsid() */
|
|
return setsid(p, NULL);
|
|
|
|
case 4: /* getpgid(pid) */
|
|
|
|
if (SCARG(uap, pid) != 0 &&
|
|
(p = svr4_pfind(SCARG(uap, pid))) == NULL)
|
|
return ESRCH;
|
|
|
|
*retval = (int) p->p_pgrp->pg_id;
|
|
return 0;
|
|
|
|
case 5: /* setpgid(pid, pgid); */
|
|
{
|
|
struct setpgid_args sa;
|
|
|
|
SCARG(&sa, pid) = SCARG(uap, pid);
|
|
SCARG(&sa, pgid) = SCARG(uap, pgid);
|
|
return setpgid(p, &sa);
|
|
}
|
|
|
|
default:
|
|
return EINVAL;
|
|
}
|
|
}
|
|
|
|
#define syscallarg(x) union { x datum; register_t pad; }
|
|
|
|
struct svr4_hrtcntl_args {
|
|
int cmd;
|
|
int fun;
|
|
int clk;
|
|
svr4_hrt_interval_t * iv;
|
|
svr4_hrt_time_t * ti;
|
|
};
|
|
|
|
|
|
static int
|
|
svr4_hrtcntl(p, uap, retval)
|
|
struct proc *p;
|
|
struct svr4_hrtcntl_args *uap;
|
|
register_t *retval;
|
|
{
|
|
switch (SCARG(uap, fun)) {
|
|
case SVR4_HRT_CNTL_RES:
|
|
DPRINTF(("htrcntl(RES)\n"));
|
|
*retval = SVR4_HRT_USEC;
|
|
return 0;
|
|
|
|
case SVR4_HRT_CNTL_TOFD:
|
|
DPRINTF(("htrcntl(TOFD)\n"));
|
|
{
|
|
struct timeval tv;
|
|
svr4_hrt_time_t t;
|
|
if (SCARG(uap, clk) != SVR4_HRT_CLK_STD) {
|
|
DPRINTF(("clk == %d\n", SCARG(uap, clk)));
|
|
return EINVAL;
|
|
}
|
|
if (SCARG(uap, ti) == NULL) {
|
|
DPRINTF(("ti NULL\n"));
|
|
return EINVAL;
|
|
}
|
|
microtime(&tv);
|
|
t.h_sec = tv.tv_sec;
|
|
t.h_rem = tv.tv_usec;
|
|
t.h_res = SVR4_HRT_USEC;
|
|
return copyout(&t, SCARG(uap, ti), sizeof(t));
|
|
}
|
|
|
|
case SVR4_HRT_CNTL_START:
|
|
DPRINTF(("htrcntl(START)\n"));
|
|
return ENOSYS;
|
|
|
|
case SVR4_HRT_CNTL_GET:
|
|
DPRINTF(("htrcntl(GET)\n"));
|
|
return ENOSYS;
|
|
default:
|
|
DPRINTF(("Bad htrcntl command %d\n", SCARG(uap, fun)));
|
|
return ENOSYS;
|
|
}
|
|
}
|
|
|
|
|
|
int
|
|
svr4_sys_hrtsys(p, uap)
|
|
struct proc *p;
|
|
struct svr4_sys_hrtsys_args *uap;
|
|
{
|
|
int *retval = p->p_retval;
|
|
|
|
switch (SCARG(uap, cmd)) {
|
|
case SVR4_HRT_CNTL:
|
|
return svr4_hrtcntl(p, (struct svr4_hrtcntl_args *) uap,
|
|
retval);
|
|
|
|
case SVR4_HRT_ALRM:
|
|
DPRINTF(("hrtalarm\n"));
|
|
return ENOSYS;
|
|
|
|
case SVR4_HRT_SLP:
|
|
DPRINTF(("hrtsleep\n"));
|
|
return ENOSYS;
|
|
|
|
case SVR4_HRT_CAN:
|
|
DPRINTF(("hrtcancel\n"));
|
|
return ENOSYS;
|
|
|
|
default:
|
|
DPRINTF(("Bad hrtsys command %d\n", SCARG(uap, cmd)));
|
|
return EINVAL;
|
|
}
|
|
}
|
|
|
|
|
|
static int
|
|
svr4_setinfo(p, st, s)
|
|
struct proc *p;
|
|
int st;
|
|
svr4_siginfo_t *s;
|
|
{
|
|
svr4_siginfo_t i;
|
|
int sig;
|
|
|
|
memset(&i, 0, sizeof(i));
|
|
|
|
i.si_signo = SVR4_SIGCHLD;
|
|
i.si_errno = 0; /* XXX? */
|
|
|
|
if (p) {
|
|
i.si_pid = p->p_pid;
|
|
if (p->p_stat == SZOMB) {
|
|
i.si_stime = p->p_ru->ru_stime.tv_sec;
|
|
i.si_utime = p->p_ru->ru_utime.tv_sec;
|
|
}
|
|
else {
|
|
i.si_stime = p->p_stats->p_ru.ru_stime.tv_sec;
|
|
i.si_utime = p->p_stats->p_ru.ru_utime.tv_sec;
|
|
}
|
|
}
|
|
|
|
if (WIFEXITED(st)) {
|
|
i.si_status = WEXITSTATUS(st);
|
|
i.si_code = SVR4_CLD_EXITED;
|
|
} else if (WIFSTOPPED(st)) {
|
|
sig = WSTOPSIG(st);
|
|
if (sig >= 0 && sig < NSIG)
|
|
i.si_status = SVR4_BSD2SVR4_SIG(sig);
|
|
|
|
if (i.si_status == SVR4_SIGCONT)
|
|
i.si_code = SVR4_CLD_CONTINUED;
|
|
else
|
|
i.si_code = SVR4_CLD_STOPPED;
|
|
} else {
|
|
sig = WTERMSIG(st);
|
|
if (sig >= 0 && sig < NSIG)
|
|
i.si_status = SVR4_BSD2SVR4_SIG(sig);
|
|
|
|
if (WCOREDUMP(st))
|
|
i.si_code = SVR4_CLD_DUMPED;
|
|
else
|
|
i.si_code = SVR4_CLD_KILLED;
|
|
}
|
|
|
|
DPRINTF(("siginfo [pid %ld signo %d code %d errno %d status %d]\n",
|
|
i.si_pid, i.si_signo, i.si_code, i.si_errno, i.si_status));
|
|
|
|
return copyout(&i, s, sizeof(i));
|
|
}
|
|
|
|
|
|
int
|
|
svr4_sys_waitsys(p, uap)
|
|
struct proc *p;
|
|
struct svr4_sys_waitsys_args *uap;
|
|
{
|
|
int nfound;
|
|
int error, *retval = p->p_retval;
|
|
struct proc *q, *t;
|
|
|
|
|
|
switch (SCARG(uap, grp)) {
|
|
case SVR4_P_PID:
|
|
break;
|
|
|
|
case SVR4_P_PGID:
|
|
SCARG(uap, id) = -p->p_pgid;
|
|
break;
|
|
|
|
case SVR4_P_ALL:
|
|
SCARG(uap, id) = WAIT_ANY;
|
|
break;
|
|
|
|
default:
|
|
return EINVAL;
|
|
}
|
|
|
|
DPRINTF(("waitsys(%d, %d, %p, %x)\n",
|
|
SCARG(uap, grp), SCARG(uap, id),
|
|
SCARG(uap, info), SCARG(uap, options)));
|
|
|
|
loop:
|
|
nfound = 0;
|
|
for (q = p->p_children.lh_first; q != 0; q = q->p_sibling.le_next) {
|
|
if (SCARG(uap, id) != WAIT_ANY &&
|
|
q->p_pid != SCARG(uap, id) &&
|
|
q->p_pgid != -SCARG(uap, id)) {
|
|
DPRINTF(("pid %d pgid %d != %d\n", q->p_pid,
|
|
q->p_pgid, SCARG(uap, id)));
|
|
continue;
|
|
}
|
|
nfound++;
|
|
if (q->p_stat == SZOMB &&
|
|
((SCARG(uap, options) & (SVR4_WEXITED|SVR4_WTRAPPED)))) {
|
|
*retval = 0;
|
|
DPRINTF(("found %d\n", q->p_pid));
|
|
if ((error = svr4_setinfo(q, q->p_xstat,
|
|
SCARG(uap, info))) != 0)
|
|
return error;
|
|
|
|
|
|
if ((SCARG(uap, options) & SVR4_WNOWAIT)) {
|
|
DPRINTF(("Don't wait\n"));
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* If we got the child via ptrace(2) or procfs, and
|
|
* the parent is different (meaning the process was
|
|
* attached, rather than run as a child), then we need
|
|
* to give it back to the ol dparent, and send the
|
|
* parent a SIGCHLD. The rest of the cleanup will be
|
|
* done when the old parent waits on the child.
|
|
*/
|
|
if ((q->p_flag & P_TRACED) &&
|
|
q->p_oppid != q->p_pptr->p_pid) {
|
|
t = pfind(q->p_oppid);
|
|
proc_reparent(q, t ? t : initproc);
|
|
q->p_oppid = 0;
|
|
q->p_flag &= ~(P_TRACED | P_WAITED);
|
|
wakeup((caddr_t)q->p_pptr);
|
|
return 0;
|
|
}
|
|
q->p_xstat = 0;
|
|
ruadd(&p->p_stats->p_cru, q->p_ru);
|
|
|
|
FREE(q->p_ru, M_ZOMBIE);
|
|
|
|
/*
|
|
* Finally finished with old proc entry.
|
|
* Unlink it from its process group and free it.
|
|
*/
|
|
leavepgrp(q);
|
|
|
|
LIST_REMOVE(q, p_list); /* off zombproc */
|
|
|
|
LIST_REMOVE(q, p_sibling);
|
|
|
|
/*
|
|
* Decrement the count of procs running with this uid.
|
|
*/
|
|
(void)chgproccnt(q->p_cred->p_ruid, -1);
|
|
|
|
/*
|
|
* Free up credentials.
|
|
*/
|
|
if (--q->p_cred->p_refcnt == 0) {
|
|
crfree(q->p_ucred);
|
|
FREE(q->p_cred, M_SUBPROC);
|
|
}
|
|
|
|
/*
|
|
* Release reference to text vnode
|
|
*/
|
|
if (q->p_textvp)
|
|
vrele(q->p_textvp);
|
|
|
|
/*
|
|
* Give machine-dependent layer a chance
|
|
* to free anything that cpu_exit couldn't
|
|
* release while still running in process context.
|
|
*/
|
|
cpu_wait(q);
|
|
#if defined(__NetBSD__)
|
|
pool_put(&proc_pool, q);
|
|
#endif
|
|
nprocs--;
|
|
return 0;
|
|
}
|
|
if (q->p_stat == SSTOP && (q->p_flag & P_WAITED) == 0 &&
|
|
(q->p_flag & P_TRACED ||
|
|
(SCARG(uap, options) & (SVR4_WSTOPPED|SVR4_WCONTINUED)))) {
|
|
DPRINTF(("jobcontrol %d\n", q->p_pid));
|
|
if (((SCARG(uap, options) & SVR4_WNOWAIT)) == 0)
|
|
q->p_flag |= P_WAITED;
|
|
*retval = 0;
|
|
return svr4_setinfo(q, W_STOPCODE(q->p_xstat),
|
|
SCARG(uap, info));
|
|
}
|
|
}
|
|
|
|
if (nfound == 0)
|
|
return ECHILD;
|
|
|
|
if (SCARG(uap, options) & SVR4_WNOHANG) {
|
|
*retval = 0;
|
|
if ((error = svr4_setinfo(NULL, 0, SCARG(uap, info))) != 0)
|
|
return error;
|
|
return 0;
|
|
}
|
|
|
|
if ((error = tsleep((caddr_t)p, PWAIT | PCATCH, "svr4_wait", 0)) != 0)
|
|
return error;
|
|
goto loop;
|
|
}
|
|
|
|
|
|
static void
|
|
bsd_statfs_to_svr4_statvfs(bfs, sfs)
|
|
const struct statfs *bfs;
|
|
struct svr4_statvfs *sfs;
|
|
{
|
|
sfs->f_bsize = bfs->f_iosize; /* XXX */
|
|
sfs->f_frsize = bfs->f_bsize;
|
|
sfs->f_blocks = bfs->f_blocks;
|
|
sfs->f_bfree = bfs->f_bfree;
|
|
sfs->f_bavail = bfs->f_bavail;
|
|
sfs->f_files = bfs->f_files;
|
|
sfs->f_ffree = bfs->f_ffree;
|
|
sfs->f_favail = bfs->f_ffree;
|
|
sfs->f_fsid = bfs->f_fsid.val[0];
|
|
memcpy(sfs->f_basetype, bfs->f_fstypename, sizeof(sfs->f_basetype));
|
|
sfs->f_flag = 0;
|
|
if (bfs->f_flags & MNT_RDONLY)
|
|
sfs->f_flag |= SVR4_ST_RDONLY;
|
|
if (bfs->f_flags & MNT_NOSUID)
|
|
sfs->f_flag |= SVR4_ST_NOSUID;
|
|
sfs->f_namemax = MAXNAMLEN;
|
|
memcpy(sfs->f_fstr, bfs->f_fstypename, sizeof(sfs->f_fstr)); /* XXX */
|
|
memset(sfs->f_filler, 0, sizeof(sfs->f_filler));
|
|
}
|
|
|
|
|
|
static void
|
|
bsd_statfs_to_svr4_statvfs64(bfs, sfs)
|
|
const struct statfs *bfs;
|
|
struct svr4_statvfs64 *sfs;
|
|
{
|
|
sfs->f_bsize = bfs->f_iosize; /* XXX */
|
|
sfs->f_frsize = bfs->f_bsize;
|
|
sfs->f_blocks = bfs->f_blocks;
|
|
sfs->f_bfree = bfs->f_bfree;
|
|
sfs->f_bavail = bfs->f_bavail;
|
|
sfs->f_files = bfs->f_files;
|
|
sfs->f_ffree = bfs->f_ffree;
|
|
sfs->f_favail = bfs->f_ffree;
|
|
sfs->f_fsid = bfs->f_fsid.val[0];
|
|
memcpy(sfs->f_basetype, bfs->f_fstypename, sizeof(sfs->f_basetype));
|
|
sfs->f_flag = 0;
|
|
if (bfs->f_flags & MNT_RDONLY)
|
|
sfs->f_flag |= SVR4_ST_RDONLY;
|
|
if (bfs->f_flags & MNT_NOSUID)
|
|
sfs->f_flag |= SVR4_ST_NOSUID;
|
|
sfs->f_namemax = MAXNAMLEN;
|
|
memcpy(sfs->f_fstr, bfs->f_fstypename, sizeof(sfs->f_fstr)); /* XXX */
|
|
memset(sfs->f_filler, 0, sizeof(sfs->f_filler));
|
|
}
|
|
|
|
|
|
int
|
|
svr4_sys_statvfs(p, uap)
|
|
struct proc *p;
|
|
struct svr4_sys_statvfs_args *uap;
|
|
{
|
|
struct statfs_args fs_args;
|
|
caddr_t sg = stackgap_init();
|
|
struct statfs *fs = stackgap_alloc(&sg, sizeof(struct statfs));
|
|
struct statfs bfs;
|
|
struct svr4_statvfs sfs;
|
|
int error;
|
|
|
|
CHECKALTEXIST(p, &sg, SCARG(uap, path));
|
|
SCARG(&fs_args, path) = SCARG(uap, path);
|
|
SCARG(&fs_args, buf) = fs;
|
|
|
|
if ((error = statfs(p, &fs_args)) != 0)
|
|
return error;
|
|
|
|
if ((error = copyin(fs, &bfs, sizeof(bfs))) != 0)
|
|
return error;
|
|
|
|
bsd_statfs_to_svr4_statvfs(&bfs, &sfs);
|
|
|
|
return copyout(&sfs, SCARG(uap, fs), sizeof(sfs));
|
|
}
|
|
|
|
|
|
int
|
|
svr4_sys_fstatvfs(p, uap)
|
|
struct proc *p;
|
|
struct svr4_sys_fstatvfs_args *uap;
|
|
{
|
|
struct fstatfs_args fs_args;
|
|
caddr_t sg = stackgap_init();
|
|
struct statfs *fs = stackgap_alloc(&sg, sizeof(struct statfs));
|
|
struct statfs bfs;
|
|
struct svr4_statvfs sfs;
|
|
int error;
|
|
|
|
SCARG(&fs_args, fd) = SCARG(uap, fd);
|
|
SCARG(&fs_args, buf) = fs;
|
|
|
|
if ((error = fstatfs(p, &fs_args)) != 0)
|
|
return error;
|
|
|
|
if ((error = copyin(fs, &bfs, sizeof(bfs))) != 0)
|
|
return error;
|
|
|
|
bsd_statfs_to_svr4_statvfs(&bfs, &sfs);
|
|
|
|
return copyout(&sfs, SCARG(uap, fs), sizeof(sfs));
|
|
}
|
|
|
|
|
|
int
|
|
svr4_sys_statvfs64(p, uap)
|
|
struct proc *p;
|
|
struct svr4_sys_statvfs64_args *uap;
|
|
{
|
|
struct statfs_args fs_args;
|
|
caddr_t sg = stackgap_init();
|
|
struct statfs *fs = stackgap_alloc(&sg, sizeof(struct statfs));
|
|
struct statfs bfs;
|
|
struct svr4_statvfs64 sfs;
|
|
int error;
|
|
|
|
CHECKALTEXIST(p, &sg, SCARG(uap, path));
|
|
SCARG(&fs_args, path) = SCARG(uap, path);
|
|
SCARG(&fs_args, buf) = fs;
|
|
|
|
if ((error = statfs(p, &fs_args)) != 0)
|
|
return error;
|
|
|
|
if ((error = copyin(fs, &bfs, sizeof(bfs))) != 0)
|
|
return error;
|
|
|
|
bsd_statfs_to_svr4_statvfs64(&bfs, &sfs);
|
|
|
|
return copyout(&sfs, SCARG(uap, fs), sizeof(sfs));
|
|
}
|
|
|
|
|
|
int
|
|
svr4_sys_fstatvfs64(p, uap)
|
|
struct proc *p;
|
|
struct svr4_sys_fstatvfs64_args *uap;
|
|
{
|
|
struct fstatfs_args fs_args;
|
|
caddr_t sg = stackgap_init();
|
|
struct statfs *fs = stackgap_alloc(&sg, sizeof(struct statfs));
|
|
struct statfs bfs;
|
|
struct svr4_statvfs64 sfs;
|
|
int error;
|
|
|
|
SCARG(&fs_args, fd) = SCARG(uap, fd);
|
|
SCARG(&fs_args, buf) = fs;
|
|
|
|
if ((error = fstatfs(p, &fs_args)) != 0)
|
|
return error;
|
|
|
|
if ((error = copyin(fs, &bfs, sizeof(bfs))) != 0)
|
|
return error;
|
|
|
|
bsd_statfs_to_svr4_statvfs64(&bfs, &sfs);
|
|
|
|
return copyout(&sfs, SCARG(uap, fs), sizeof(sfs));
|
|
}
|
|
|
|
int
|
|
svr4_sys_alarm(p, uap)
|
|
struct proc *p;
|
|
struct svr4_sys_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(p, &sa);
|
|
if (error)
|
|
return error;
|
|
if (oitp->it_value.tv_usec)
|
|
oitp->it_value.tv_sec++;
|
|
p->p_retval[0] = oitp->it_value.tv_sec;
|
|
return 0;
|
|
|
|
}
|
|
|
|
int
|
|
svr4_sys_gettimeofday(p, uap)
|
|
struct proc *p;
|
|
struct svr4_sys_gettimeofday_args *uap;
|
|
{
|
|
if (SCARG(uap, tp)) {
|
|
struct timeval atv;
|
|
|
|
microtime(&atv);
|
|
return copyout(&atv, SCARG(uap, tp), sizeof (atv));
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
svr4_sys_facl(p, uap)
|
|
struct proc *p;
|
|
struct svr4_sys_facl_args *uap;
|
|
{
|
|
int *retval;
|
|
|
|
retval = p->p_retval;
|
|
*retval = 0;
|
|
|
|
switch (SCARG(uap, cmd)) {
|
|
case SVR4_SYS_SETACL:
|
|
/* We don't support acls on any filesystem */
|
|
return ENOSYS;
|
|
|
|
case SVR4_SYS_GETACL:
|
|
return copyout(retval, &SCARG(uap, num),
|
|
sizeof(SCARG(uap, num)));
|
|
|
|
case SVR4_SYS_GETACLCNT:
|
|
return 0;
|
|
|
|
default:
|
|
return EINVAL;
|
|
}
|
|
}
|
|
|
|
|
|
int
|
|
svr4_sys_acl(p, uap)
|
|
struct proc *p;
|
|
struct svr4_sys_acl_args *uap;
|
|
{
|
|
/* XXX: for now the same */
|
|
return svr4_sys_facl(p, (struct svr4_sys_facl_args *)uap);
|
|
}
|
|
|
|
int
|
|
svr4_sys_auditsys(p, uap)
|
|
struct proc *p;
|
|
struct svr4_sys_auditsys_args *uap;
|
|
{
|
|
/*
|
|
* XXX: Big brother is *not* watching.
|
|
*/
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
svr4_sys_memcntl(p, uap)
|
|
struct proc *p;
|
|
struct svr4_sys_memcntl_args *uap;
|
|
{
|
|
switch (SCARG(uap, cmd)) {
|
|
case SVR4_MC_SYNC:
|
|
{
|
|
struct msync_args msa;
|
|
|
|
SCARG(&msa, addr) = SCARG(uap, addr);
|
|
SCARG(&msa, len) = SCARG(uap, len);
|
|
SCARG(&msa, flags) = (int)SCARG(uap, arg);
|
|
|
|
return msync(p, &msa);
|
|
}
|
|
case SVR4_MC_ADVISE:
|
|
{
|
|
struct madvise_args maa;
|
|
|
|
SCARG(&maa, addr) = SCARG(uap, addr);
|
|
SCARG(&maa, len) = SCARG(uap, len);
|
|
SCARG(&maa, behav) = (int)SCARG(uap, arg);
|
|
|
|
return madvise(p, &maa);
|
|
}
|
|
case SVR4_MC_LOCK:
|
|
case SVR4_MC_UNLOCK:
|
|
case SVR4_MC_LOCKAS:
|
|
case SVR4_MC_UNLOCKAS:
|
|
return EOPNOTSUPP;
|
|
default:
|
|
return ENOSYS;
|
|
}
|
|
}
|
|
|
|
|
|
int
|
|
svr4_sys_nice(p, uap)
|
|
struct proc *p;
|
|
struct svr4_sys_nice_args *uap;
|
|
{
|
|
struct setpriority_args ap;
|
|
int error;
|
|
|
|
SCARG(&ap, which) = PRIO_PROCESS;
|
|
SCARG(&ap, who) = 0;
|
|
SCARG(&ap, prio) = SCARG(uap, prio);
|
|
|
|
if ((error = setpriority(p, &ap)) != 0)
|
|
return error;
|
|
|
|
/* the cast is stupid, but the structures are the same */
|
|
if ((error = getpriority(p, (struct getpriority_args *)&ap)) != 0)
|
|
return error;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
svr4_sys_resolvepath(p, uap)
|
|
struct proc *p;
|
|
struct svr4_sys_resolvepath_args *uap;
|
|
{
|
|
struct nameidata nd;
|
|
int error, *retval = p->p_retval;
|
|
|
|
NDINIT(&nd, LOOKUP, NOFOLLOW | SAVENAME, UIO_USERSPACE,
|
|
SCARG(uap, path), p);
|
|
|
|
if ((error = namei(&nd)) != 0)
|
|
return error;
|
|
|
|
if ((error = copyout(nd.ni_cnd.cn_pnbuf, SCARG(uap, buf),
|
|
SCARG(uap, bufsiz))) != 0)
|
|
goto bad;
|
|
|
|
*retval = strlen(nd.ni_cnd.cn_pnbuf) < SCARG(uap, bufsiz) ?
|
|
strlen(nd.ni_cnd.cn_pnbuf) + 1 : SCARG(uap, bufsiz);
|
|
bad:
|
|
NDFREE(&nd, NDF_ONLY_PNBUF);
|
|
vput(nd.ni_vp);
|
|
return error;
|
|
}
|