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/***************************************************************************
 *   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();
    };
    void run() { };
 
private:
    bool myIsCreated;
    pthread_t myHandle;
    int myError;
};
 
#endif  /* _THREAD_H */
 
 

Rev 969	Rev 983
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	myIsCreated = false;	48	myIsCreated = false;
48		49
49	return myError == 0;	50	return myError == 0;
50	};	51	};
51	bool start()	52	bool start()
52	{	53	{
53	myError = pthread_create(&myHandle, NULL, T::doThread, (void*)this);	54	myError = pthread_create(&myHandle, NULL, T::doThread, (void*)this);
54		55
55	if (myError != 0)	56	if (myError != 0)
56	{	57	{
57	myIsCreated = false;	58	myIsCreated = false;
58	return false;	59	return false;
59	}	60	}
60		61
61	myIsCreated = true;	62	myIsCreated = true;
62	return true;	63	return true;
63	};	64	};
64	bool join()	65	bool join()
65	{	66	{
66	if (!myIsCreated)	67	if (!myIsCreated)
67	return false;	68	return false;
68		69
69	myError = pthread_join(myHandle, NULL);	70	myError = pthread_join(myHandle, NULL);
70		71
71	if (myError != 0)	72	if (myError != 0)
72	{	73	{
73	myIsCreated = false;	74	myIsCreated = false;
74	return false;	75	return false;
75	}	76	}
76		77
77	myIsCreated = true;	78	myIsCreated = true;
78	return true;	79	return true;
79	};	80	};
80	int getError()	81	int getError()
81	{	82	{
82	return myError;	83	return myError;
83	};	84	};
84		85
85	static void doThread(void ptr)	86	static void doThread(void ptr)
86	{	87	{
87	((T*)ptr)->run();	88	((T*)ptr)->run();
88	};	89	};
89	void run() { };	90	void run() { };
90		91
91	private:	92	private:
92	bool myIsCreated;	93	bool myIsCreated;
93	pthread_t myHandle;	94	pthread_t myHandle;
94	int myError;	95	int myError;
95	};	96	};
96		97
97	#endif /* _THREAD_H */	98	#endif /* _THREAD_H */
98		99
99		100

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(root)/trunk/PcSoftware/Atom/Threads/thread.h @ 983 – Rev 969 → 983