/*

 * Copyright 2000 Massachusetts Institute of Technology

 *

 * Permission to use, copy, modify, and distribute this software and

 * its documentation for any purpose and without fee is hereby

 * granted, provided that both the above copyright notice and this

 * permission notice appear in all copies, that both the above

 * copyright notice and this permission notice appear in all

 * supporting documentation, and that the name of M.I.T. not be used

 * in advertising or publicity pertaining to distribution of the

 * software without specific, written prior permission.  M.I.T. makes

 * no representations about the suitability of this software for any

 * purpose.  It is provided "as is" without express or implied

 * warranty.

 *

 * THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''.  M.I.T. DISCLAIMS

 * ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,

 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF

 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT

 * SHALL M.I.T. 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.

 * Portions Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).

 */

#include <sys/cdefs.h>

#ifndef __SYMBIAN32__

__FBSDID("$FreeBSD: src/lib/libc/gen/posixshm.c,v 1.4 2002/02/01 00:57:29 obrien Exp $");

#endif

#include <sys/types.h>

#include <sys/fcntl.h>

#include <sys/mman.h>

#include <sys/stat.h>

#include <errno.h>

#include <unistd.h>

#ifdef __SYMBIAN32__

#include <string.h>

#include <sys/syslimits.h>

#endif//__SYMBIAN32__

EXPORT_C int

shm_open(const char *path, int flags, mode_t mode)

	{

#ifndef SYMBIAN_OE_LIBRT

	path = path;

	flags = flags;

	mode = mode;

	errno = ENOSYS;

	return -1;

#else//SYMBIAN_OE_LIBRT

	int fd;

	struct stat stab;

#ifdef __SYMBIAN32__

	if (!path)

		{

		errno = EFAULT;

		return -1;

		}

	if (strlen(path) == 0)

		{

		errno = EINVAL;

		return -1;

		}

	if (strlen(path) >= PATH_MAX)

		{

		errno = ENAMETOOLONG;

		return -1;

		}

	while (*path == '/')

		{

		path++;

		}

#endif//__SYMBIAN32__

	if ((flags & O_ACCMODE) == O_WRONLY)

		{

		errno = EINVAL;

		return -1;

		}		

	fd = open(path, flags|O_SHMFLG, mode);

	if (fd != -1) 

		{

		if (fstat(fd, &stab) != 0 || !S_ISREG(stab.st_mode)) 

			{

			close(fd);

			errno = EINVAL;

			return (-1);

			}

		if (fcntl(fd, F_SETFL, (int)FPOSIXSHM) != 0) 

			{

			close(fd);

			return (-1);

			}

		}

		return (fd);

#endif//SYMBIAN_OE_LIBRT

	}

EXPORT_C int

shm_unlink(const char *path)

	{

#ifndef SYMBIAN_OE_LIBRT

	path = path;

	errno = ENOSYS;

	return -1;

#else//SYMBIAN_OE_LIBRT

#ifdef __SYMBIAN32__

	if (!path)

		{

		errno = EFAULT;

		return -1;

		}

	if (strlen(path) == 0)

		{

		errno = ENOENT;

		return -1;

		}

	if (strlen(path) >= PATH_MAX)

		{

		errno = ENAMETOOLONG;

		return -1;

		}

#endif//__SYMBIAN32__

	return (unlink(path));

#endif//SYMBIAN_OE_LIBRT

	}