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[src/trunk]: src/sys/compat/osf1 typical filename using syscalls (open(), acc...



details:   https://anonhg.NetBSD.org/src/rev/294fcf781212
branches:  trunk
changeset: 472528:294fcf781212
user:      cgd <cgd%NetBSD.org@localhost>
date:      Sat May 01 05:18:01 1999 +0000

description:
typical filename using syscalls (open(), access(), execve(), etc.) -> osf1_file.c

diffstat:

 sys/compat/osf1/files.osf1  |    3 +-
 sys/compat/osf1/osf1_file.c |  279 ++++++++++++++++++++++++++++++++++++++++++++
 sys/compat/osf1/osf1_misc.c |  195 +------------------------------
 3 files changed, 282 insertions(+), 195 deletions(-)

diffs (truncated from 544 to 300 lines):

diff -r ecc3b68f7ee0 -r 294fcf781212 sys/compat/osf1/files.osf1
--- a/sys/compat/osf1/files.osf1        Sat May 01 05:06:46 1999 +0000
+++ b/sys/compat/osf1/files.osf1        Sat May 01 05:18:01 1999 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: files.osf1,v 1.9 1999/05/01 05:06:46 cgd Exp $
+#      $NetBSD: files.osf1,v 1.10 1999/05/01 05:18:01 cgd Exp $
 #
 # Config file description for machine-independent OSF/1 compat code.
 # Included by ports that need it.
@@ -12,6 +12,7 @@
 file   compat/osf1/osf1_cvt_errno.c    compat_osf1
 file   compat/osf1/osf1_cvt_signal.c   compat_osf1
 file   compat/osf1/osf1_exec.c         compat_osf1
+file   compat/osf1/osf1_file.c         compat_osf1
 file   compat/osf1/osf1_generic.c      compat_osf1
 file   compat/osf1/osf1_ioctl.c        compat_osf1
 file   compat/osf1/osf1_misc.c         compat_osf1
diff -r ecc3b68f7ee0 -r 294fcf781212 sys/compat/osf1/osf1_file.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/compat/osf1/osf1_file.c       Sat May 01 05:18:01 1999 +0000
@@ -0,0 +1,279 @@
+/* $NetBSD: osf1_file.c,v 1.1 1999/05/01 05:18:01 cgd Exp $ */
+
+/*
+ * Copyright (c) 1999 Christopher G. Demetriou.  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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by Christopher G. Demetriou
+ *     for the NetBSD Project.
+ * 4. 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.
+ */
+
+/*
+ * Copyright (c) 1994, 1995 Carnegie-Mellon University.
+ * All rights reserved.
+ *
+ * Author: Chris G. Demetriou
+ * 
+ * Permission to use, copy, modify and distribute this software and
+ * its documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 
+ * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ *
+ *  Software Distribution Coordinator  or  Software.Distribution%CS.CMU.EDU@localhost
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie the
+ * rights to redistribute these changes.
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/namei.h>
+#include <sys/proc.h>
+#include <sys/file.h>
+#include <sys/stat.h>
+#include <sys/filedesc.h>
+#include <sys/kernel.h>
+#include <sys/malloc.h>
+#include <sys/mman.h>
+#include <sys/mount.h>
+#include <sys/signal.h>
+#include <sys/signalvar.h>
+#include <sys/reboot.h>
+#include <sys/syscallargs.h>
+#include <sys/exec.h>
+#include <sys/vnode.h>
+#include <sys/socketvar.h>
+#include <sys/resource.h>
+#include <sys/resourcevar.h>
+#include <sys/wait.h>
+#include <vm/vm.h>
+
+#include <compat/osf1/osf1.h>
+#include <compat/osf1/osf1_syscall.h>
+#include <compat/osf1/osf1_syscallargs.h>
+#include <compat/osf1/osf1_util.h>
+#include <compat/osf1/osf1_cvt.h>
+
+int
+osf1_sys_open(p, v, retval)
+       struct proc *p;
+       void *v;
+       register_t *retval;
+{
+       struct osf1_sys_open_args *uap = v;
+       struct sys_open_args a;
+       const char *path;
+       caddr_t sg;
+       unsigned long leftovers;
+#ifdef SYSCALL_DEBUG
+       char pnbuf[1024];
+
+       if (scdebug &&
+           copyinstr(SCARG(uap, path), pnbuf, sizeof pnbuf, NULL) == 0)
+               printf("osf1_open: open: %s\n", pnbuf);
+#endif
+
+       sg = stackgap_init(p->p_emul);
+
+       /* translate flags */
+       SCARG(&a, flags) = emul_flags_translate(osf1_open_flags_xtab,
+           SCARG(uap, flags), &leftovers);
+       if (leftovers != 0)
+               return (EINVAL);
+
+       /* copy mode, no translation necessary */
+       SCARG(&a, mode) = SCARG(uap, mode);
+
+       /* pick appropriate path */
+       path = SCARG(uap, path);
+       if (SCARG(&a, flags) & O_CREAT)
+               OSF1_CHECK_ALT_CREAT(p, &sg, path);
+       else
+               OSF1_CHECK_ALT_EXIST(p, &sg, path);
+       SCARG(&a, path) = path;
+
+       return sys_open(p, &a, retval);
+}
+
+/*
+ * Get file status; this version follows links.
+ */
+/* ARGSUSED */
+int
+osf1_sys_stat(p, v, retval)
+       struct proc *p;
+       void *v;
+       register_t *retval;
+{
+       struct osf1_sys_stat_args *uap = v;
+       struct stat sb;
+       struct osf1_stat osb;
+       int error;
+       struct nameidata nd;
+       caddr_t sg;
+
+       sg = stackgap_init(p->p_emul);
+       OSF1_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
+
+       NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF, UIO_USERSPACE,
+           SCARG(uap, path), p);
+       if ((error = namei(&nd)))
+               return (error);
+       error = vn_stat(nd.ni_vp, &sb, p);
+       vput(nd.ni_vp);
+       if (error)
+               return (error);
+       osf1_cvt_stat_from_native(&sb, &osb);
+       error = copyout((caddr_t)&osb, (caddr_t)SCARG(uap, ub), sizeof (osb));
+       return (error);
+}
+
+/*
+ * Get file status; this version does not follow links.
+ */
+/* ARGSUSED */
+int
+osf1_sys_lstat(p, v, retval)
+       struct proc *p;
+       void *v;
+       register_t *retval;
+{
+       struct osf1_sys_lstat_args *uap = v;
+       struct stat sb;
+       struct osf1_stat osb;
+       int error;
+       struct nameidata nd;
+       caddr_t sg;
+
+       sg = stackgap_init(p->p_emul);
+       OSF1_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
+
+       NDINIT(&nd, LOOKUP, NOFOLLOW | LOCKLEAF, UIO_USERSPACE,
+           SCARG(uap, path), p);
+       if ((error = namei(&nd)))
+               return (error);
+       error = vn_stat(nd.ni_vp, &sb, p);
+       vput(nd.ni_vp);
+       if (error)
+               return (error);
+       osf1_cvt_stat_from_native(&sb, &osb);
+       error = copyout((caddr_t)&osb, (caddr_t)SCARG(uap, ub), sizeof (osb));
+       return (error);
+}
+
+int
+osf1_sys_mknod(p, v, retval)
+       struct proc *p;
+       void *v;
+       register_t *retval;
+{
+       struct osf1_sys_mknod_args *uap = v;
+       struct sys_mknod_args a;
+       caddr_t sg;
+
+       sg = stackgap_init(p->p_emul);
+       OSF1_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
+
+       SCARG(&a, path) = SCARG(uap, path);
+       SCARG(&a, mode) = SCARG(uap, mode);
+       SCARG(&a, dev) = osf1_cvt_dev_to_native(SCARG(uap, dev));
+
+       return sys_mknod(p, &a, retval);
+}
+
+int
+osf1_sys_truncate(p, v, retval)
+       struct proc *p;
+       void *v;
+       register_t *retval;
+{
+       struct osf1_sys_truncate_args *uap = v;
+       struct sys_truncate_args a;
+       caddr_t sg;
+
+       sg = stackgap_init(p->p_emul);
+       OSF1_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
+
+       SCARG(&a, path) = SCARG(uap, path);
+       SCARG(&a, pad) = 0;
+       SCARG(&a, length) = SCARG(uap, length);
+
+       return sys_truncate(p, &a, retval);
+}
+
+int
+osf1_sys_execve(p, v, retval)
+       struct proc *p;
+       void *v;
+       register_t *retval;
+{
+       struct osf1_sys_execve_args *uap = v;
+       struct sys_execve_args ap;
+       caddr_t sg;
+
+       sg = stackgap_init(p->p_emul);
+       OSF1_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
+
+       SCARG(&ap, path) = SCARG(uap, path);
+       SCARG(&ap, argp) = SCARG(uap, argp);
+       SCARG(&ap, envp) = SCARG(uap, envp);
+
+       return sys_execve(p, &ap, retval);
+}
+
+int
+osf1_sys_access(p, v, retval)
+       struct proc *p;
+       void *v;
+       register_t *retval;
+{
+       struct osf1_sys_access_args *uap = v;
+       struct sys_access_args a;
+       unsigned long leftovers;
+       caddr_t sg;
+
+       sg = stackgap_init(p->p_emul);
+       OSF1_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
+
+       SCARG(&a, path) = SCARG(uap, path);
+
+       /* translate flags */
+       SCARG(&a, flags) = emul_flags_translate(osf1_access_flags_xtab,
+           SCARG(uap, flags), &leftovers);
+       if (leftovers != 0)
+               return (EINVAL);
+
+       return sys_access(p, &a, retval);
+}



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