WebSVN – HomeAutomation – Diff – /trunk/PcSoftware/Atom/Threads/thread.h


/***************************************************************************
 *   Copyright (C) November 29, 2008 by Mattias Runge                             *
 *   mattias@runge.se                                                      *
 *   thread.h                                            *
 *                                                                         *
 *   This program 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 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program 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 this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/
 
#ifndef _THREAD_H
#define _THREAD_H
 
#include <pthread.h>
 
template <class T>
class Thread
{
public:
    Thread()
    {
        myIsCreated = false;
        myError = 0;
    };
    ~Thread()
    {
        stop();
    };
 
    bool stop()
    {
        if (!myIsCreated)
            return true;
 
        myError = pthread_cancel(myHandle);
        join();
        myIsCreated = false;
 
        return myError == 0;
    };
   
    bool start()
    {
        myError = pthread_create(&myHandle, NULL, T::doThread, (void*)this);
       
        if (myError != 0)
        {
            myIsCreated = false;
            return false;
        }
 
        myIsCreated = true;
        return true;
    };
 
    bool join()
    {
        if (!myIsCreated)
            return false;
 
        myError = pthread_join(myHandle, NULL);
 
        if (myError != 0)
        {
            myIsCreated = false;
            return false;
        }
 
        myIsCreated = true;
        return true;
    };
 
    int getError()
    {
        return myError;
    };
 
    static void *doThread(void* ptr)
    {
        ((T*)ptr)->run();
    };
 
    virtual void run() { };
 
private:
    bool myIsCreated;
    pthread_t myHandle;
    int myError;
};
 
#endif  /* _THREAD_H */
 
 

Rev 983	Rev 999
1	/***************************************************************************	1	/***************************************************************************
2	* Copyright (C) November 29, 2008 by Mattias Runge *	2	* Copyright (C) November 29, 2008 by Mattias Runge *
3	* mattias@runge.se *	3	* mattias@runge.se *
4	* thread.h *	4	* thread.h *
5	* *	5	* *
6	* This program is free software; you can redistribute it and/or modify *	6	* This program is free software; you can redistribute it and/or modify *
7	* it under the terms of the GNU General Public License as published by *	7	* it under the terms of the GNU General Public License as published by *
8	* the Free Software Foundation; either version 2 of the License, or *	8	* the Free Software Foundation; either version 2 of the License, or *
9	* (at your option) any later version. *	9	* (at your option) any later version. *
10	* *	10	* *
11	* This program is distributed in the hope that it will be useful, *	11	* This program is distributed in the hope that it will be useful, *
12	* but WITHOUT ANY WARRANTY; without even the implied warranty of *	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of *
13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
14	* GNU General Public License for more details. *	14	* GNU General Public License for more details. *
15	* *	15	* *
16	* You should have received a copy of the GNU General Public License *	16	* You should have received a copy of the GNU General Public License *
17	* along with this program; if not, write to the *	17	* along with this program; if not, write to the *
18	* Free Software Foundation, Inc., *	18	* Free Software Foundation, Inc., *
19	* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *	19	* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
20	***************************************************************************/	20	***************************************************************************/
21		21
22	#ifndef _THREAD_H	22	#ifndef _THREAD_H
23	#define _THREAD_H	23	#define _THREAD_H
24		24
25	#include <pthread.h>	25	#include <pthread.h>
26		26
27	template <class T>	27	template <class T>
28	class Thread	28	class Thread
29	{	29	{
30	public:	30	public:
31	Thread()	31	Thread()
32	{	32	{
33	myIsCreated = false;	33	myIsCreated = false;
34	myError = 0;	34	myError = 0;
35	};	35	};
36	~Thread()	36	~Thread()
37	{	37	{
38	stop();	38	stop();
39	};	39	};
40		40
41	bool stop()	41	bool stop()
42	{	42	{
43	if (!myIsCreated)	43	if (!myIsCreated)
44	return true;	44	return true;
45		45
46	myError = pthread_cancel(myHandle);	46	myError = pthread_cancel(myHandle);
47	join();	47	join();
48	myIsCreated = false;	48	myIsCreated = false;
49		49
50	return myError == 0;	50	return myError == 0;
51	};	51	};
-		52
52	bool start()	53	bool start()
53	{	54	{
54	myError = pthread_create(&myHandle, NULL, T::doThread, (void*)this);	55	myError = pthread_create(&myHandle, NULL, T::doThread, (void*)this);
55		56
56	if (myError != 0)	57	if (myError != 0)
57	{	58	{
58	myIsCreated = false;	59	myIsCreated = false;
59	return false;	60	return false;
60	}	61	}
61		62
62	myIsCreated = true;	63	myIsCreated = true;
63	return true;	64	return true;
64	};	65	};
-		66
65	bool join()	67	bool join()
66	{	68	{
67	if (!myIsCreated)	69	if (!myIsCreated)
68	return false;	70	return false;
69		71
70	myError = pthread_join(myHandle, NULL);	72	myError = pthread_join(myHandle, NULL);
71		73
72	if (myError != 0)	74	if (myError != 0)
73	{	75	{
74	myIsCreated = false;	76	myIsCreated = false;
75	return false;	77	return false;
76	}	78	}
77		79
78	myIsCreated = true;	80	myIsCreated = true;
79	return true;	81	return true;
80	};	82	};
-		83
81	int getError()	84	int getError()
82	{	85	{
83	return myError;	86	return myError;
84	};	87	};
85		88
86	static void doThread(void ptr)	89	static void doThread(void ptr)
87	{	90	{
88	((T*)ptr)->run();	91	((T*)ptr)->run();
89	};	92	};
-		93
90	void run() { };	94	virtual void run() { };
91		95
92	private:	96	private:
93	bool myIsCreated;	97	bool myIsCreated;
94	pthread_t myHandle;	98	pthread_t myHandle;
95	int myError;	99	int myError;
96	};	100	};
97		101
98	#endif /* _THREAD_H */	102	#endif /* _THREAD_H */
99		103
100		104

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