source: vscpl/src/hu/varadiistvan/scpl/_posix/Thread.h@ 25:bf389a7e0287

Last change on this file since 25:bf389a7e0287 was 1:ee063b6aaa32, checked in by István Váradi <ivaradi@…>, 12 years ago

The Thread class can be compiled for Linux and Win32

File size: 3.9 KB
Line 
1// Copyright (c) 2013 by István Váradi
2
3// This file is part of VSCPL, a simple cross-platform utility library
4
5// Redistribution and use in source and binary forms, with or without
6// modification, are permitted provided that the following conditions are met:
7
8// 1. Redistributions of source code must retain the above copyright notice, this
9// list of conditions and the following disclaimer.
10// 2. Redistributions in binary form must reproduce the above copyright notice,
11// this list of conditions and the following disclaimer in the documentation
12// and/or other materials provided with the distribution.
13
14// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
15// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
18// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
20// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
21// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
23// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24
25// The views and conclusions contained in the software and documentation are those
26// of the authors and should not be interpreted as representing official policies,
27// either expressed or implied, of the FreeBSD Project.
28
29#ifndef HU_VARADIISTVAN_SCPL_POSIX_THREAD_H
30#define HU_VARADIISTVAN_SCPL_POSIX_THREAD_H
31//------------------------------------------------------------------------------
32
33#include <pthread.h>
34#include <unistd.h>
35
36//------------------------------------------------------------------------------
37
38namespace hu { namespace varadiistvan { namespace scpl {
39
40//------------------------------------------------------------------------------
41
42/**
43 * A pthreads-based thread implementation.
44 */
45class Thread
46{
47public:
48 /**
49 * Sleep for the given number of milliseconds.
50 */
51 static void sleep(unsigned millis);
52
53private:
54 /**
55 * The thread-runner function.
56 */
57 static void* threadFn(void* arg);
58
59 /**
60 * Indicate if the thread is detached or not.
61 */
62 bool detached;
63
64 /**
65 * The posix thread handle.
66 */
67 pthread_t thread;
68
69public:
70 /**
71 * Construct the thread
72 */
73 Thread(bool detached = false);
74
75 /**
76 * Virtual destructor.
77 */
78 virtual ~Thread();
79
80 /**
81 * Start the thread.
82 *
83 * @return if the thread could be started
84 */
85 bool start();
86
87 /**
88 * Perform the thread's real operation.
89 */
90 virtual void run() = 0;
91
92 /**
93 * Wait for the thread to quit.
94 */
95 void join();
96};
97
98//------------------------------------------------------------------------------
99// Inline definitions
100//------------------------------------------------------------------------------
101
102inline void Thread::sleep(unsigned millis)
103{
104 usleep(static_cast<useconds_t>(millis)*1000);
105}
106
107//------------------------------------------------------------------------------
108
109inline Thread::Thread(bool detached) :
110 detached(detached)
111{
112}
113
114//------------------------------------------------------------------------------
115
116inline Thread::~Thread()
117{
118}
119
120//------------------------------------------------------------------------------
121
122inline void Thread::join()
123{
124 pthread_join(thread, 0);
125}
126
127//------------------------------------------------------------------------------
128
129} /* namespace hu::varadiistvan::scpl */ } /* namespace hu::varadiistvan */ } /* namespace hu */
130
131//------------------------------------------------------------------------------
132#endif // HU_VARADIISTVAN_SCPL_POSIX_THREAD_H
133
134// Local Variables:
135// mode: C++
136// c-basic-offset: 4
137// indent-tabs-mode: nil
138// End:
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