Fawkes API Fawkes Development Version

shm_exceptions.cpp

00001 
00002 /***************************************************************************
00003  *  shm_exceptions.cpp - exceptions thrown in shmem utils, do NOT put your own
00004  *                     application specific exceptions here!
00005  *
00006  *  Created: Sat Nov 11 14:15:19 2006 (on train from Hamburg to Aachen)
00007  *  Copyright  2005-2006  Tim Niemueller [www.niemueller.de]
00008  *
00009  ****************************************************************************/
00010 
00011 /*  This program is free software; you can redistribute it and/or modify
00012  *  it under the terms of the GNU General Public License as published by
00013  *  the Free Software Foundation; either version 2 of the License, or
00014  *  (at your option) any later version. A runtime exception applies to
00015  *  this software (see LICENSE.GPL_WRE file mentioned below for details).
00016  *
00017  *  This program is distributed in the hope that it will be useful,
00018  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00019  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00020  *  GNU Library General Public License for more details.
00021  *
00022  *  Read the full text in the LICENSE.GPL_WRE file in the doc directory.
00023  */
00024 
00025 #include <utils/ipc/shm_exceptions.h>
00026 
00027 #include <core/threading/mutex.h>
00028 
00029 #ifndef _GNU_SOURCE
00030 #define _GNU_SOURCE
00031 #endif
00032 #include <stdio.h>
00033 
00034 namespace fawkes {
00035 
00036 
00037 /** @class ShmCouldNotAttachException shm_exceptions.h <utils/ipc/shm_exceptions.h>
00038  * Could not attach to shared memory segment.
00039  */
00040 /** Constructor.
00041  * @param msg message why we could not attach
00042  */
00043 ShmCouldNotAttachException::ShmCouldNotAttachException(const char *msg)
00044   : Exception(msg)
00045 {
00046 }
00047 
00048 /** @class ShmNoHeaderException shm_exceptions.h <utils/ipc/shm_exceptions.h>
00049  * No shared memory header set before attach()
00050  */
00051 /** Constructor. */
00052 ShmNoHeaderException::ShmNoHeaderException()
00053   : Exception("No SharedMemoryHeader, cannot attach")
00054 {
00055 }
00056 
00057 
00058 /** @class ShmInconsistentSegmentSizeException shm_exceptions.h <utils/ipc/shm_exceptions.h>
00059  * Memory size does not match
00060  */
00061 /** Constructor
00062  * @param desired_mem The exepcted memory size
00063  * @param act_mem The actual memory size
00064  */
00065 ShmInconsistentSegmentSizeException::ShmInconsistentSegmentSizeException(unsigned int desired_mem,
00066                                                                          unsigned int act_mem)
00067   : Exception("Inconsistent shared mem segment found in memory "
00068               "(memory size does not match, desired: %u, actual: %u)",
00069               desired_mem, act_mem)
00070 {
00071 }
00072 
00073 
00074 /** @class ShmDoesNotExistException shm_exceptions.h <utils/ipc/shm_exceptions.h>
00075  * Shared memory segment does not exist.
00076  */
00077 /** Constructor */
00078 ShmDoesNotExistException::ShmDoesNotExistException()
00079   : Exception("The given shared memory segment does not exist.")
00080 {
00081 }
00082 
00083 
00084 /** @class ShmCouldNotAttachAddrDepException shm_exceptions.h <utils/ipc/shm_exceptions.h>
00085  * The shared memory is set adress-dependend but could not be opened at the appropriate
00086  * address.
00087  */
00088 /** Constructor. */
00089 ShmCouldNotAttachAddrDepException::ShmCouldNotAttachAddrDepException()
00090   : Exception("Could not attach to the shared memory "
00091               "segment with the appropriate address")
00092 {
00093 }
00094 
00095 
00096 /** @class ShmAddrOutOfBoundsException shm_exceptions.h <utils/ipc/shm_exceptions.h>
00097  * The address points out of the shared memory.
00098  */
00099 /** Constructor. */
00100 ShmAddrOutOfBoundsException::ShmAddrOutOfBoundsException()
00101   : Exception("The address you tried to transform points "
00102               "out of the shared memory segment")
00103 {
00104 }
00105 
00106 
00107 /** @class ShmPtrOutOfBoundsException shm_exceptions.h <utils/ipc/shm_exceptions.h>
00108  * The pointer does not point inside the shared memory.
00109  */
00110 /** Constructor. */
00111 ShmPtrOutOfBoundsException::ShmPtrOutOfBoundsException()
00112   : Exception("The pointer you tried to transform does not "
00113               "point inside the shared memory segment")
00114 {
00115 }
00116 
00117 } // end namespace fawkes
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