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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
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 : {
36 : /** threadFunc is the function which is executed by the threads
37 : created by the osl::Thread class. The function's signature
38 : matches the one of oslWorkerFunction which is declared in
39 : osl/thread.h .
40 : */
41 : extern "C" inline void SAL_CALL threadFunc( void* param);
42 :
43 : /**
44 : A thread abstraction.
45 :
46 : @deprecated use ::salhelper::Thread instead. Only the static member
47 : functions ::osl::Thread::getCurrentIdentifier, ::osl::Thread::wait, and
48 : ::osl::Thread::yield are not deprecated.
49 : */
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.
56 144 : inline static void * SAL_CALL operator new( size_t nSize ) SAL_THROW (())
57 144 : { return ::rtl_allocateMemory( nSize ); }
58 144 : inline static void SAL_CALL operator delete( void * pMem ) SAL_THROW (())
59 144 : { ::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 :
65 166 : Thread(): m_hThread(0){}
66 :
67 166 : virtual ~Thread()
68 166 : {
69 166 : osl_destroyThread( m_hThread);
70 166 : }
71 :
72 166 : sal_Bool SAL_CALL create()
73 : {
74 : assert(m_hThread == 0); // only one running thread per instance
75 166 : m_hThread = osl_createSuspendedThread( threadFunc, (void*)this);
76 166 : if (m_hThread == 0)
77 : {
78 0 : return false;
79 : }
80 166 : osl_resumeThread(m_hThread);
81 166 : return true;
82 : }
83 :
84 0 : sal_Bool SAL_CALL createSuspended()
85 : {
86 : assert(m_hThread == 0); // only one running thread per instance
87 0 : if( m_hThread)
88 0 : return sal_False;
89 : m_hThread= osl_createSuspendedThread( threadFunc,
90 0 : (void*)this);
91 0 : return m_hThread != 0;
92 : }
93 :
94 0 : virtual void SAL_CALL suspend()
95 : {
96 0 : if( m_hThread )
97 0 : osl_suspendThread(m_hThread);
98 0 : }
99 :
100 0 : virtual void SAL_CALL resume()
101 : {
102 0 : if( m_hThread )
103 0 : osl_resumeThread(m_hThread);
104 0 : }
105 :
106 144 : virtual void SAL_CALL terminate()
107 : {
108 144 : if( m_hThread )
109 144 : osl_terminateThread(m_hThread);
110 144 : }
111 :
112 19 : virtual void SAL_CALL join()
113 : {
114 19 : osl_joinWithThread(m_hThread);
115 19 : }
116 :
117 18 : sal_Bool SAL_CALL isRunning() const
118 : {
119 18 : return osl_isThreadRunning(m_hThread);
120 : }
121 :
122 0 : void SAL_CALL setPriority( oslThreadPriority Priority)
123 : {
124 0 : if( m_hThread )
125 0 : osl_setThreadPriority(m_hThread, Priority);
126 0 : }
127 :
128 0 : oslThreadPriority SAL_CALL getPriority() const
129 : {
130 0 : return m_hThread ? osl_getThreadPriority(m_hThread) : osl_Thread_PriorityUnknown;
131 : }
132 :
133 4 : oslThreadIdentifier SAL_CALL getIdentifier() const
134 : {
135 4 : return osl_getThreadIdentifier(m_hThread);
136 : }
137 :
138 1930758 : static oslThreadIdentifier SAL_CALL getCurrentIdentifier()
139 : {
140 1930758 : return osl_getThreadIdentifier(0);
141 : }
142 :
143 0 : static void SAL_CALL wait(const TimeValue& Delay)
144 : {
145 0 : osl_waitThread(&Delay);
146 0 : }
147 :
148 0 : static void SAL_CALL yield()
149 : {
150 0 : osl_yieldThread();
151 0 : }
152 :
153 6 : static inline void setName(char const * name) throw () {
154 6 : osl_setThreadName(name);
155 6 : }
156 :
157 3325 : virtual sal_Bool SAL_CALL schedule()
158 : {
159 3325 : 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 :
169 : /** The thread functions calls the protected functions
170 : run and onTerminated.
171 : */
172 : friend void SAL_CALL threadFunc( void* param);
173 :
174 : virtual void SAL_CALL run() = 0;
175 :
176 19 : virtual void SAL_CALL onTerminated()
177 : {
178 19 : }
179 :
180 : private:
181 : oslThread m_hThread;
182 : };
183 :
184 166 : extern "C" inline void SAL_CALL threadFunc( void* param)
185 : {
186 166 : Thread* pObj= (Thread*)param;
187 166 : pObj->run();
188 166 : pObj->onTerminated();
189 166 : }
190 :
191 : class ThreadData
192 : {
193 : ThreadData( const ThreadData& );
194 : ThreadData& operator= (const ThreadData& );
195 : public:
196 : /// Create a thread specific local data key
197 2 : ThreadData( oslThreadKeyCallbackFunction pCallback= 0 )
198 : {
199 2 : m_hKey = osl_createThreadKey( pCallback );
200 2 : }
201 :
202 : /// Destroy a thread specific local data key
203 0 : ~ThreadData()
204 : {
205 0 : osl_destroyThreadKey(m_hKey);
206 0 : }
207 :
208 : /** Set the data associated with the data key.
209 : @returns True if operation was successfull
210 : */
211 15 : sal_Bool SAL_CALL setData(void *pData)
212 : {
213 15 : return (osl_setThreadKeyData(m_hKey, pData));
214 : }
215 :
216 : /** Get the data associated with the data key.
217 : @returns The data asscoitaed with the data key or
218 : NULL if no data was set
219 : */
220 14 : void* SAL_CALL getData()
221 : {
222 14 : 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: */
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