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authorNeo2003 <none@none>2008-10-02 16:23:55 -0500
committerNeo2003 <none@none>2008-10-02 16:23:55 -0500
commit9b1c0e006f20091f28f3f468cfcab1feb51286bd (patch)
treeb5d1ba94a656e6679f8737f9ea6bed1239b73b14 /dep/include/zthread/Exceptions.h
[svn] * Proper SVN structureinit
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+/*
+ * Copyright (c) 2005, Eric Crahen
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is furnished
+ * to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#ifndef __ZTEXCEPTIONS_H__
+#define __ZTEXCEPTIONS_H__
+
+
+#include "zthread/Config.h"
+#include <string>
+
+namespace ZThread {
+
+/**
+ * @class Synchronization_Exception
+ *
+ * Serves as a general base class for the Exception hierarchy used within
+ * this package.
+ *
+ */
+class Synchronization_Exception {
+
+ // Restrict heap allocation
+ static void * operator new(size_t size);
+ static void * operator new[](size_t size);
+
+ std::string _msg;
+
+public:
+
+ /**
+ * Create a new exception with a default error message 'Synchronization
+ * Exception'
+ */
+ Synchronization_Exception() : _msg("Synchronization exception") { }
+
+ /**
+ * Create a new exception with a given error message
+ *
+ * @param const char* - error message
+ */
+ Synchronization_Exception(const char* msg) : _msg(msg) { }
+
+ /**
+ * Get additional info about the exception
+ *
+ * @return const char* for the error message
+ */
+ const char* what() const {
+ return _msg.c_str();
+ }
+
+};
+
+
+/**
+ * @class Interrupted_Exception
+ *
+ * Used to describe an interrupted operation that would have normally
+ * blocked the calling thread
+ */
+class Interrupted_Exception : public Synchronization_Exception {
+
+ public:
+
+ //! Create a new exception
+ Interrupted_Exception() : Synchronization_Exception("Thread interrupted") { }
+
+ //! Create a new exception
+ Interrupted_Exception(const char* msg) : Synchronization_Exception(msg) { }
+
+};
+
+
+
+/**
+ * @class Deadlock_Exception
+ *
+ * Thrown when deadlock has been detected
+ */
+class Deadlock_Exception : public Synchronization_Exception {
+ public:
+
+ //! Create a new exception
+ Deadlock_Exception() : Synchronization_Exception("Deadlock detected") { }
+
+ //! Create a new exception
+ Deadlock_Exception(const char* msg) : Synchronization_Exception(msg) { }
+
+};
+
+
+/**
+ * @class InvalidOp_Exception
+ *
+ * Thrown when performing an illegal operation this object
+ */
+class InvalidOp_Exception : public Synchronization_Exception {
+ public:
+
+ //! Create a new exception
+ InvalidOp_Exception() : Synchronization_Exception("Invalid operation") { }
+ //! Create a new exception
+ InvalidOp_Exception(const char* msg) : Synchronization_Exception(msg) { }
+
+};
+
+
+
+/**
+ * @class Initialization_Exception
+ *
+ * Thrown when the system has no more resources to create new
+ * synchronization controls
+ */
+class Initialization_Exception : public Synchronization_Exception {
+
+ public:
+
+ //! Create a new exception
+ Initialization_Exception() : Synchronization_Exception("Initialization error") { }
+ //! Create a new exception
+ Initialization_Exception(const char*msg) : Synchronization_Exception(msg) { }
+
+};
+
+/**
+ * @class Cancellation_Exception
+ *
+ * Cancellation_Exceptions are thrown by 'Canceled' objects.
+ * @see Cancelable
+ */
+class Cancellation_Exception : public Synchronization_Exception {
+
+ public:
+
+ //! Create a new Cancelltion_Exception
+ Cancellation_Exception() : Synchronization_Exception("Canceled") { }
+ //! Create a new Cancelltion_Exception
+ Cancellation_Exception(const char*msg) : Synchronization_Exception(msg) { }
+
+};
+
+
+/**
+ * @class Timeout_Exception
+ *
+ * There is no need for error messaged simply indicates the last
+ * operation timed out
+ */
+class Timeout_Exception : public Synchronization_Exception {
+ public:
+
+ //! Create a new Timeout_Exception
+ Timeout_Exception() : Synchronization_Exception("Timeout") { }
+ //! Create a new
+ Timeout_Exception(const char*msg) : Synchronization_Exception(msg) { }
+
+};
+
+/**
+ * @class NoSuchElement_Exception
+ *
+ * The last operation that was attempted on a Queue could not find
+ * the item that was indicated (during that last Queue method invocation)
+ */
+class NoSuchElement_Exception {
+ public:
+
+ //! Create a new exception
+ NoSuchElement_Exception() {}
+
+};
+
+/**
+ * @class InvalidTask_Exception
+ *
+ * Thrown when a task is not valid (e.g. null or start()ing a thread with
+ * no overriden run() method)
+ */
+class InvalidTask_Exception : public InvalidOp_Exception {
+ public:
+
+ //! Create a new exception
+ InvalidTask_Exception() : InvalidOp_Exception("Invalid task") {}
+
+};
+
+/**
+ * @class BrokenBarrier_Exception
+ *
+ * Thrown when a Barrier is broken because one of the participating threads
+ * has been interrupted.
+ */
+class BrokenBarrier_Exception : public Synchronization_Exception {
+
+ public:
+
+ //! Create a new exception
+ BrokenBarrier_Exception() : Synchronization_Exception("Barrier broken") { }
+
+ //! Create a new exception
+ BrokenBarrier_Exception(const char* msg) : Synchronization_Exception(msg) { }
+
+};
+
+/**
+ * @class Future_Exception
+ *
+ * Thrown when there is an error using a Future.
+ */
+class Future_Exception : public Synchronization_Exception {
+
+ public:
+
+ //! Create a new exception
+ Future_Exception() : Synchronization_Exception() { }
+
+ //! Create a new exception
+ Future_Exception(const char* msg) : Synchronization_Exception(msg) { }
+
+};
+
+};
+
+#endif // __ZTEXCEPTIONS_H__