/*

  * 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

 	}