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authornewton <newton@FreeBSD.org>1999-01-30 06:29:48 +0000
committernewton <newton@FreeBSD.org>1999-01-30 06:29:48 +0000
commit3997fb47add29faec9e3ac9c1925d021e723f6fb (patch)
tree3c76919da523b05b639dba820ce9b8ffd560037a /sys/compat/svr4/svr4_misc.c
parent1be412c9d1b16dd39a049d5986d2729ab61295a5 (diff)
downloadFreeBSD-src-3997fb47add29faec9e3ac9c1925d021e723f6fb.zip
FreeBSD-src-3997fb47add29faec9e3ac9c1925d021e723f6fb.tar.gz
Emulator KLD for SysVR4 executables grabbed from NetBSD.
See http://www.freebsd.org/~newton/freebsd-svr4 for limitations, capabilities, history and TO-DO list.
Diffstat (limited to 'sys/compat/svr4/svr4_misc.c')
-rw-r--r--sys/compat/svr4/svr4_misc.c1629
1 files changed, 1629 insertions, 0 deletions
diff --git a/sys/compat/svr4/svr4_misc.c b/sys/compat/svr4/svr4_misc.c
new file mode 100644
index 0000000..5b537c6
--- /dev/null
+++ b/sys/compat/svr4/svr4_misc.c
@@ -0,0 +1,1629 @@
+/*
+ * Copyright (c) 1998 Mark Newton
+ * Copyright (c) 1994 Christos Zoulas
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * SVR4 compatibility module.
+ *
+ * SVR4 system calls that are implemented differently in BSD are
+ * handled here.
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/namei.h>
+#include <sys/dirent.h>
+#include <sys/proc.h>
+#include <sys/file.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <sys/file.h>
+#include <sys/filedesc.h>
+#include <sys/kernel.h>
+#include <sys/malloc.h>
+#include <sys/mbuf.h>
+#include <sys/mman.h>
+#include <sys/mount.h>
+#include <sys/resource.h>
+#include <sys/resourcevar.h>
+#include <sys/socket.h>
+#include <sys/vnode.h>
+#include <sys/uio.h>
+#include <sys/wait.h>
+#include <sys/utsname.h>
+#include <sys/unistd.h>
+#include <sys/times.h>
+#include <sys/fcntl.h>
+#include <sys/sem.h>
+#include <sys/msg.h>
+#include <sys/ptrace.h>
+#include <sys/signalvar.h>
+#include <ufs/ufs/dir.h>
+#include <vm/vm_zone.h>
+
+#include <sys/sysproto.h>
+
+#include <netinet/in.h>
+
+#include <svr4/svr4.h>
+#include <svr4/svr4_types.h>
+#include <svr4/svr4_signal.h>
+#include <svr4/svr4_proto.h>
+#include <svr4/svr4_util.h>
+#include <svr4/svr4_sysconfig.h>
+#include <svr4/svr4_dirent.h>
+#include <svr4/svr4_acl.h>
+#include <svr4/svr4_time.h>
+#include <svr4/svr4_ulimit.h>
+#include <svr4/svr4_statvfs.h>
+#include <svr4/svr4_hrt.h>
+#include <svr4/svr4_mman.h>
+#include <svr4/svr4_wait.h>
+
+#include <machine/vmparam.h>
+#include <vm/vm.h>
+#include <vm/vm_param.h>
+#include <vm/vm_map.h>
+#include <vm/vm_prot.h>
+
+#if defined(NetBSD)
+# if defined(UVM)
+# include <uvm/uvm_extern.h>
+# endif
+#endif
+
+#define BSD_DIRENT(cp) ((struct dirent *)(cp))
+
+extern void *M_ZOMBIE;
+extern void *M_SUBPROC;
+
+extern int bsd_to_svr4_sig[];
+static int svr4_mknod __P((struct proc *, register_t *, char *,
+ svr4_mode_t, svr4_dev_t));
+
+static __inline clock_t timeval_to_clock_t __P((struct timeval *));
+static int svr4_setinfo __P((struct proc *, int, svr4_siginfo_t *));
+
+struct svr4_hrtcntl_args;
+static int svr4_hrtcntl __P((struct proc *, struct svr4_hrtcntl_args *,
+ register_t *));
+static void bsd_statfs_to_svr4_statvfs __P((const struct statfs *,
+ struct svr4_statvfs *));
+static void bsd_statfs_to_svr4_statvfs64 __P((const struct statfs *,
+ struct svr4_statvfs64 *));
+static struct proc *svr4_pfind __P((pid_t pid));
+
+/* BOGUS noop */
+#if defined(BOGUS)
+int
+svr4_sys_setitimer(p, uap)
+ register struct proc *p;
+ struct svr4_sys_setitimer_args *uap;
+{
+ p->p_retval[0] = 0;
+ return 0;
+}
+#endif
+
+int
+svr4_sys_wait(p, uap)
+ struct proc *p;
+ struct svr4_sys_wait_args *uap;
+{
+ struct wait_args w4;
+ int error, *retval = p->p_retval, st, sig;
+ size_t sz = sizeof(*SCARG(&w4, status));
+
+ SCARG(&w4, rusage) = NULL;
+ SCARG(&w4, options) = 0;
+
+ if (SCARG(uap, status) == NULL) {
+ caddr_t sg = stackgap_init();
+
+ SCARG(&w4, status) = stackgap_alloc(&sg, sz);
+ }
+ else
+ SCARG(&w4, status) = SCARG(uap, status);
+
+ SCARG(&w4, pid) = WAIT_ANY;
+
+ if ((error = wait4(p, &w4)) != 0)
+ return error;
+
+ if ((error = copyin(SCARG(&w4, status), &st, sizeof(st))) != 0)
+ return error;
+
+ if (WIFSIGNALED(st)) {
+ sig = WTERMSIG(st);
+ if (sig >= 0 && sig < NSIG)
+ st = (st & ~0177) | bsd_to_svr4_sig[sig];
+ } else if (WIFSTOPPED(st)) {
+ sig = WSTOPSIG(st);
+ if (sig >= 0 && sig < NSIG)
+ st = (st & ~0xff00) | (bsd_to_svr4_sig[sig] << 8);
+ }
+
+ /*
+ * It looks like wait(2) on svr4/solaris/2.4 returns
+ * the status in retval[1], and the pid on retval[0].
+ */
+ retval[1] = st;
+
+ if (SCARG(uap, status))
+ if ((error = copyout(&st, SCARG(uap, status), sizeof(st))) != 0)
+ return error;
+
+ return 0;
+}
+
+int
+svr4_sys_execv(p, uap)
+ struct proc *p;
+ struct svr4_sys_execv_args *uap;
+{
+ struct execve_args ap;
+ caddr_t sg;
+
+ sg = stackgap_init();
+ CHECKALTEXIST(p, &sg, SCARG(uap, path));
+
+ SCARG(&ap, fname) = SCARG(uap, path);
+ SCARG(&ap, argv) = SCARG(uap, argp);
+ SCARG(&ap, envv) = NULL;
+
+ return execve(p, &ap);
+}
+
+int
+svr4_sys_execve(p, uap)
+ struct proc *p;
+ struct svr4_sys_execve_args *uap;
+{
+ struct execve_args ap;
+ caddr_t sg;
+
+ sg = stackgap_init();
+ CHECKALTEXIST(p, &sg, uap->path);
+
+ SCARG(&ap, fname) = SCARG(uap, path);
+ SCARG(&ap, argv) = SCARG(uap, argp);
+ SCARG(&ap, envv) = SCARG(uap, envp);
+
+ return execve(p, &ap);
+}
+
+int
+svr4_sys_time(p, v)
+ struct proc *p;
+ struct svr4_sys_time_args *v;
+{
+ struct svr4_sys_time_args *uap = v;
+ int error = 0;
+ struct timeval tv;
+
+ microtime(&tv);
+ if (SCARG(uap, t))
+ error = copyout(&tv.tv_sec, SCARG(uap, t),
+ sizeof(*(SCARG(uap, t))));
+ p->p_retval[0] = (int) tv.tv_sec;
+
+ return error;
+}
+
+
+/*
+ * Read SVR4-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
+svr4_sys_getdents64(p, uap)
+ struct proc *p;
+ struct svr4_sys_getdents64_args *uap;
+{
+ struct dirent *bdp;
+ struct vnode *vp;
+ caddr_t inp, buf; /* BSD-format */
+ int len, reclen; /* BSD-format */
+ caddr_t outp; /* SVR4-format */
+ int resid, svr4_reclen; /* SVR4-format */
+ struct file *fp;
+ struct uio auio;
+ struct iovec aiov;
+ struct svr4_dirent64 idb;
+ off_t off; /* true file offset */
+ int buflen, error, eofflag;
+ u_long *cookiebuf = NULL, *cookie;
+ int ncookies = 0, retval = 0, offcnt = 0;
+
+ if ((error = getvnode(p->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)
+ return (EINVAL);
+
+ buflen = min(MAXBSIZE, SCARG(uap, nbytes));
+ DPRINTF(("buflen = %d, spec = %d\n", buflen, SCARG(uap, nbytes)));
+ buf = malloc(buflen, M_TEMP, M_WAITOK);
+ vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
+ off = fp->f_offset;
+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_procp = p;
+ auio.uio_resid = buflen;
+ auio.uio_offset = off;
+ DPRINTF((">>> off = %d\n", off));
+
+ /*
+ * First we read into the malloc'ed buffer, then
+ * 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, dp);
+ 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_getdents64: bad reclen");
+ if (bdp->d_fileno == 0) {
+ inp += reclen; /* it is a hole; squish it out */
+#if 0
+ off = *cookie++;
+#else
+ off += reclen;
+#endif
+ DPRINTF(("+++ off = %d\n", off));
+ continue;
+ }
+ svr4_reclen = SVR4_RECLEN(&idb, (bdp->d_namlen));
+
+ if (reclen > len || resid < svr4_reclen) {
+ /* entry too big for buffer, so just stop */
+ outp++;
+ DPRINTF(("+++ off = %d\n", off));
+ break;
+ }
+#if 0
+ off = *cookie++; /* each entry points to the next */
+#else
+ off += reclen;
+#endif
+ DPRINTF(("+++ off = %d\n", off));
+
+ /*
+ * 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_ino64_t)bdp->d_fileno;
+ idb.d_off = (svr4_off64_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;
+ DPRINTF(("d_ino = %d\nd_off = %d\nd_reclen = %d\n",
+ idb.d_ino, idb.d_off, (u_short)idb.d_reclen));
+ DPRINTF(("d_name = %s\n", idb.d_name));
+ DPRINTF(("(bdp->d_type = %d, reclen = %d, bdp->d_namelen = %d)\n", bdp->d_type, svr4_reclen, bdp->d_namlen));
+ /* advance past this real entry */
+ inp += reclen;
+ /* advance output past SVR4-shaped entry */
+ outp += svr4_reclen;
+ resid -= svr4_reclen;
+ offcnt += svr4_reclen;
+ }
+ DPRINTF(("block finished\n"));
+ /* if we squished out the whole block, try again */
+ fp->f_offset = off; /* update the vnode offset */
+ if (outp == SCARG(uap, dp))
+ goto again;
+
+eof:
+ retval = offcnt; /* SCARG(uap, nbytes) - resid;*/
+out:
+ VOP_UNLOCK(vp, 0, p);
+ if (cookiebuf)
+ free(cookiebuf, M_TEMP);
+ free(buf, M_TEMP);
+ DPRINTF(("\t\treturning %d\n", retval));
+ p->p_retval[0] = retval;
+ return error;
+}
+
+
+int
+svr4_sys_getdents(p, uap)
+ struct proc *p;
+ struct svr4_sys_getdents_args *uap;
+{
+ struct dirent *bdp;
+ struct vnode *vp;
+ caddr_t inp, buf; /* BSD-format */
+ int len, reclen; /* BSD-format */
+ caddr_t outp; /* SVR4-format */
+ int resid, svr4_reclen; /* SVR4-format */
+ struct file *fp;
+ struct uio auio;
+ struct iovec aiov;
+ struct svr4_dirent idb;
+ off_t off; /* true file offset */
+ int buflen, error, eofflag;
+ u_long *cookiebuf = NULL, *cookie;
+ int ncookies = 0, *retval = p->p_retval;
+
+ if ((error = getvnode(p->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)
+ return (EINVAL);
+
+ buflen = min(MAXBSIZE, SCARG(uap, nbytes));
+ buf = malloc(buflen, M_TEMP, M_WAITOK);
+ vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
+ off = fp->f_offset;
+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_procp = p;
+ auio.uio_resid = buflen;
+ auio.uio_offset = off;
+ /*
+ * First we read into the malloc'ed buffer, then
+ * 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_getdents: bad reclen");
+ off = *cookie++; /* each entry points to the next */
+ if ((off >> 32) != 0) {
+ uprintf("svr4_getdents: 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++;
+ 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->p_ucred, &p->p_acflag)) != 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_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_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 = bsd_to_svr4_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 = bsd_to_svr4_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_cred->pc_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:
+ vput(nd.ni_vp);
+ zfree(namei_zone, nd.ni_cnd.cn_pnbuf);
+ return error;
+}
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