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thread.hxx
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1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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9  * This file incorporates work covered by the following license notice:
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11  * Licensed to the Apache Software Foundation (ASF) under one or more
12  * contributor license agreements. See the NOTICE file distributed
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15  * License, Version 2.0 (the "License"); you may not use this file
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17  * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18  */
19 
20 #ifndef _THREAD_HXX_
21 #define _THREAD_HXX_
22 
23 #include "sal/config.h"
24 
25 #include <cassert>
26 
27 #include <osl/time.h>
28 
29 
30 #include <osl/diagnose.h>
31 #include <osl/thread.h>
32 #include <rtl/alloc.h>
33 
34 namespace osl
35 {
41 extern "C" inline void SAL_CALL threadFunc( void* param);
42 
50 class Thread
51 {
52  Thread( const Thread& );
53  Thread& operator= ( const Thread& );
54 public:
55  // these are here to force memory de/allocation to sal lib.
56  inline static void * SAL_CALL operator new( size_t nSize ) SAL_THROW (())
57  { return ::rtl_allocateMemory( nSize ); }
58  inline static void SAL_CALL operator delete( void * pMem ) SAL_THROW (())
59  { ::rtl_freeMemory( pMem ); }
60  inline static void * SAL_CALL operator new( size_t, void * pMem ) SAL_THROW (())
61  { return pMem; }
62  inline static void SAL_CALL operator delete( void *, void * ) SAL_THROW (())
63  {}
64 
65  Thread(): m_hThread(0){}
66 
67  virtual ~Thread()
68  {
69  osl_destroyThread( m_hThread);
70  }
71 
72  sal_Bool SAL_CALL create()
73  {
74  assert(m_hThread == 0); // only one running thread per instance
75  m_hThread = osl_createSuspendedThread( threadFunc, (void*)this);
76  if (m_hThread == 0)
77  {
78  return false;
79  }
80  osl_resumeThread(m_hThread);
81  return true;
82  }
83 
85  {
86  assert(m_hThread == 0); // only one running thread per instance
87  if( m_hThread)
88  return sal_False;
90  (void*)this);
91  return m_hThread != 0;
92  }
93 
94  virtual void SAL_CALL suspend()
95  {
96  if( m_hThread )
97  osl_suspendThread(m_hThread);
98  }
99 
100  virtual void SAL_CALL resume()
101  {
102  if( m_hThread )
103  osl_resumeThread(m_hThread);
104  }
105 
106  virtual void SAL_CALL terminate()
107  {
108  if( m_hThread )
109  osl_terminateThread(m_hThread);
110  }
111 
112  virtual void SAL_CALL join()
113  {
114  osl_joinWithThread(m_hThread);
115  }
116 
117  sal_Bool SAL_CALL isRunning() const
118  {
119  return osl_isThreadRunning(m_hThread);
120  }
121 
122  void SAL_CALL setPriority( oslThreadPriority Priority)
123  {
124  if( m_hThread )
125  osl_setThreadPriority(m_hThread, Priority);
126  }
127 
129  {
130  return m_hThread ? osl_getThreadPriority(m_hThread) : osl_Thread_PriorityUnknown;
131  }
132 
134  {
135  return osl_getThreadIdentifier(m_hThread);
136  }
137 
139  {
140  return osl_getThreadIdentifier(0);
141  }
142 
143  static void SAL_CALL wait(const TimeValue& Delay)
144  {
145  osl_waitThread(&Delay);
146  }
147 
148  static void SAL_CALL yield()
149  {
150  osl_yieldThread();
151  }
152 
153  static inline void setName(char const * name) throw () {
154  osl_setThreadName(name);
155  }
156 
157  virtual sal_Bool SAL_CALL schedule()
158  {
159  return m_hThread ? osl_scheduleThread(m_hThread) : sal_False;
160  }
161 
162  SAL_CALL operator oslThread() const
163  {
164  return m_hThread;
165  }
166 
167 protected:
168 
172  friend void SAL_CALL threadFunc( void* param);
173 
174  virtual void SAL_CALL run() = 0;
175 
176  virtual void SAL_CALL onTerminated()
177  {
178  }
179 
180 private:
181  oslThread m_hThread;
182 };
183 
184 extern "C" inline void SAL_CALL threadFunc( void* param)
185 {
186  Thread* pObj= (Thread*)param;
187  pObj->run();
188  pObj->onTerminated();
189 }
190 
192 {
193  ThreadData( const ThreadData& );
194  ThreadData& operator= (const ThreadData& );
195 public:
198  {
199  m_hKey = osl_createThreadKey( pCallback );
200  }
201 
204  {
205  osl_destroyThreadKey(m_hKey);
206  }
207 
211  sal_Bool SAL_CALL setData(void *pData)
212  {
213  return (osl_setThreadKeyData(m_hKey, pData));
214  }
215 
220  void* SAL_CALL getData()
221  {
222  return osl_getThreadKeyData(m_hKey);
223  }
224 
225  operator oslThreadKey() const
226  {
227  return m_hKey;
228  }
229 
230 private:
231  oslThreadKey m_hKey;
232 };
233 
234 } // end namespace osl
235 
236 #endif
237 
238 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */