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/*
Copyright (C) 1995, 1997, 2015-2019 Free Software Foundation, Inc.
Written by Michael I. Bushnell, p/BSG.
This file is part of the GNU Hurd.
The GNU Hurd is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2, or (at
your option) any later version.
The GNU Hurd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with the GNU Hurd. If not, see <http://www.gnu.org/licenses/>. */
#include "netfs.h"
#include <errno.h>
#include <stdlib.h>
#include <sys/file.h>
struct peropen *
netfs_make_peropen (struct node *np, int flags, struct peropen *context)
{
error_t err;
struct peropen *po = malloc (sizeof (struct peropen));
if (!po)
return NULL;
po->filepointer = 0;
err = fshelp_rlock_po_init (&po->lock_status);
if (err)
return NULL;
refcount_init (&po->refcnt, 1);
po->openstat = flags;
po->np = np;
po->path = NULL;
if (context)
{
if (context->path)
{
po->path = strdup (context->path);
if (! po->path) {
free(po);
return NULL;
}
}
po->root_parent = context->root_parent;
if (po->root_parent != MACH_PORT_NULL)
mach_port_mod_refs (mach_task_self (), po->root_parent,
MACH_PORT_RIGHT_SEND, 1);
po->shadow_root = context->shadow_root;
if (po->shadow_root)
netfs_nref (po->shadow_root);
po->shadow_root_parent = context->shadow_root_parent;
if (po->shadow_root_parent != MACH_PORT_NULL)
mach_port_mod_refs (mach_task_self (), po->shadow_root_parent,
MACH_PORT_RIGHT_SEND, 1);
}
netfs_nref (np);
return po;
}
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