-rw-r--r-- | noncore/multimedia/opieplayer2/threadutil.cpp | 14 | ||||
-rw-r--r-- | noncore/multimedia/opieplayer2/threadutil.h | 5 |
2 files changed, 9 insertions, 10 deletions
diff --git a/noncore/multimedia/opieplayer2/threadutil.cpp b/noncore/multimedia/opieplayer2/threadutil.cpp index a5cc92d..7a9e1a4 100644 --- a/noncore/multimedia/opieplayer2/threadutil.cpp +++ b/noncore/multimedia/opieplayer2/threadutil.cpp | |||
@@ -1,348 +1,348 @@ | |||
1 | /* This file is part of the KDE project | 1 | /* This file is part of the KDE project |
2 | Copyright (C) 2002 Simon Hausmann <hausmann@kde.org> | 2 | Copyright (C) 2002 Simon Hausmann <hausmann@kde.org> |
3 | 3 | ||
4 | This library is free software; you can redistribute it and/or | 4 | This library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Library General Public | 5 | modify it under the terms of the GNU Library General Public |
6 | License as published by the Free Software Foundation; either | 6 | License as published by the Free Software Foundation; either |
7 | version 2 of the License, or (at your option) any later version. | 7 | version 2 of the License, or (at your option) any later version. |
8 | 8 | ||
9 | This library is distributed in the hope that it will be useful, | 9 | This library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | Library General Public License for more details. | 12 | Library General Public License for more details. |
13 | 13 | ||
14 | You should have received a copy of the GNU Library General Public License | 14 | You should have received a copy of the GNU Library General Public License |
15 | along with this library; see the file COPYING.LIB. If not, write to | 15 | along with this library; see the file COPYING.LIB. If not, write to |
16 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | 16 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
17 | Boston, MA 02111-1307, USA. | 17 | Boston, MA 02111-1307, USA. |
18 | */ | 18 | */ |
19 | 19 | ||
20 | #include "threadutil.h" | 20 | #include "threadutil.h" |
21 | 21 | ||
22 | #include <qsocketnotifier.h> | 22 | #include <qsocketnotifier.h> |
23 | 23 | ||
24 | #include <pthread.h> | 24 | #include <pthread.h> |
25 | #include <assert.h> | 25 | #include <assert.h> |
26 | #include <unistd.h> | 26 | #include <unistd.h> |
27 | #include <errno.h> | 27 | #include <errno.h> |
28 | 28 | ||
29 | using namespace ThreadUtil; | 29 | using namespace ThreadUtil; |
30 | 30 | ||
31 | struct Mutex::Data | 31 | struct Mutex::Data |
32 | { | 32 | { |
33 | Data() | 33 | Data() |
34 | { | 34 | { |
35 | pthread_mutex_init( &mutex, 0 ); | 35 | pthread_mutex_init( &mutex, 0 ); |
36 | } | 36 | } |
37 | ~Data() | 37 | ~Data() |
38 | { | 38 | { |
39 | pthread_mutex_destroy( &mutex ); | 39 | pthread_mutex_destroy( &mutex ); |
40 | } | 40 | } |
41 | 41 | ||
42 | pthread_mutex_t mutex; | 42 | pthread_mutex_t mutex; |
43 | }; | 43 | }; |
44 | 44 | ||
45 | Mutex::Mutex() | 45 | Mutex::Mutex() |
46 | : d( new Data ) | 46 | : d( new Data ) |
47 | { | 47 | { |
48 | } | 48 | } |
49 | 49 | ||
50 | Mutex::~Mutex() | 50 | Mutex::~Mutex() |
51 | { | 51 | { |
52 | delete d; | 52 | delete d; |
53 | } | 53 | } |
54 | 54 | ||
55 | void Mutex::lock() | 55 | void Mutex::lock() |
56 | { | 56 | { |
57 | pthread_mutex_lock( &d->mutex ); | 57 | pthread_mutex_lock( &d->mutex ); |
58 | } | 58 | } |
59 | 59 | ||
60 | void Mutex::unlock() | 60 | void Mutex::unlock() |
61 | { | 61 | { |
62 | pthread_mutex_unlock( &d->mutex ); | 62 | pthread_mutex_unlock( &d->mutex ); |
63 | } | 63 | } |
64 | 64 | ||
65 | bool Mutex::tryLock() | 65 | bool Mutex::tryLock() |
66 | { | 66 | { |
67 | return pthread_mutex_trylock( &d->mutex ) == 0; | 67 | return pthread_mutex_trylock( &d->mutex ) == 0; |
68 | } | 68 | } |
69 | 69 | ||
70 | bool Mutex::isLocked() | 70 | bool Mutex::isLocked() |
71 | { | 71 | { |
72 | if ( !tryLock() ) | 72 | if ( !tryLock() ) |
73 | return true; | 73 | return true; |
74 | 74 | ||
75 | unlock(); | 75 | unlock(); |
76 | return false; | 76 | return false; |
77 | } | 77 | } |
78 | 78 | ||
79 | struct WaitCondition::Data | 79 | struct WaitCondition::Data |
80 | { | 80 | { |
81 | Data() | 81 | Data() |
82 | { | 82 | { |
83 | int result = pthread_cond_init( &waitCondition, 0 ); | 83 | int result = pthread_cond_init( &waitCondition, 0 ); |
84 | assert( result == 0 ); | 84 | assert( result == 0 ); |
85 | } | 85 | } |
86 | ~Data() | 86 | ~Data() |
87 | { | 87 | { |
88 | pthread_cond_destroy( &waitCondition ); | 88 | pthread_cond_destroy( &waitCondition ); |
89 | } | 89 | } |
90 | 90 | ||
91 | pthread_cond_t waitCondition; | 91 | pthread_cond_t waitCondition; |
92 | }; | 92 | }; |
93 | 93 | ||
94 | WaitCondition::WaitCondition() | 94 | WaitCondition::WaitCondition() |
95 | : d( new Data ) | 95 | : d( new Data ) |
96 | { | 96 | { |
97 | } | 97 | } |
98 | 98 | ||
99 | WaitCondition::~WaitCondition() | 99 | WaitCondition::~WaitCondition() |
100 | { | 100 | { |
101 | delete d; | 101 | delete d; |
102 | } | 102 | } |
103 | 103 | ||
104 | bool WaitCondition::wait() | 104 | bool WaitCondition::wait() |
105 | { | 105 | { |
106 | Mutex m; | 106 | Mutex m; |
107 | m.lock(); | 107 | m.lock(); |
108 | return wait( m ); | 108 | return wait( m ); |
109 | } | 109 | } |
110 | 110 | ||
111 | bool WaitCondition::wait( Mutex &mutex ) | 111 | bool WaitCondition::wait( Mutex &mutex ) |
112 | { | 112 | { |
113 | return pthread_cond_wait( &d->waitCondition, &mutex.d->mutex ); | 113 | return pthread_cond_wait( &d->waitCondition, &mutex.d->mutex ); |
114 | } | 114 | } |
115 | 115 | ||
116 | void WaitCondition::wakeOne() | 116 | void WaitCondition::wakeOne() |
117 | { | 117 | { |
118 | pthread_cond_signal( &d->waitCondition ); | 118 | pthread_cond_signal( &d->waitCondition ); |
119 | } | 119 | } |
120 | 120 | ||
121 | void WaitCondition::wakeAll() | 121 | void WaitCondition::wakeAll() |
122 | { | 122 | { |
123 | pthread_cond_broadcast( &d->waitCondition ); | 123 | pthread_cond_broadcast( &d->waitCondition ); |
124 | } | 124 | } |
125 | 125 | ||
126 | struct Thread::Data | 126 | struct Thread::Data |
127 | { | 127 | { |
128 | Data() : isRunning( false ) | 128 | Data() : isRunning( false ) |
129 | {} | 129 | {} |
130 | 130 | ||
131 | pthread_t self; | 131 | pthread_t self; |
132 | Mutex guard; | 132 | Mutex guard; |
133 | bool isRunning; | 133 | bool isRunning; |
134 | 134 | ||
135 | WaitCondition finishCondition; | 135 | WaitCondition finishCondition; |
136 | }; | 136 | }; |
137 | 137 | ||
138 | extern "C" | 138 | extern "C" |
139 | { | 139 | { |
140 | 140 | ||
141 | void _threadutil_terminate_thread( void *arg ) | 141 | static void terminate_thread( void *arg ) |
142 | { | 142 | { |
143 | Thread *thr = ( Thread* )arg; | 143 | Thread::Data *data = ( Thread::Data* )arg; |
144 | 144 | ||
145 | assert( thr ); | 145 | assert( data ); |
146 | 146 | ||
147 | AutoLock locker( thr->d->guard ); | 147 | AutoLock locker( data->guard ); |
148 | thr->d->isRunning = false; | 148 | data->isRunning = false; |
149 | thr->d->finishCondition.wakeAll(); | 149 | data->finishCondition.wakeAll(); |
150 | } | 150 | } |
151 | 151 | ||
152 | void *_threadutil_start_thread( void *arg ) | 152 | void *_threadutil_start_thread( void *arg ) |
153 | { | 153 | { |
154 | Thread *thr = ( Thread* )arg; | 154 | Thread *thr = ( Thread* )arg; |
155 | 155 | ||
156 | pthread_cleanup_push( _threadutil_terminate_thread, thr ); | 156 | pthread_cleanup_push( terminate_thread, thr->d ); |
157 | 157 | ||
158 | thr->d->isRunning = true; | 158 | thr->d->isRunning = true; |
159 | thr->run(); | 159 | thr->run(); |
160 | 160 | ||
161 | pthread_cleanup_pop( true ); | 161 | pthread_cleanup_pop( true ); |
162 | 162 | ||
163 | Thread::exit(); | 163 | Thread::exit(); |
164 | return 0; // never reached | 164 | return 0; // never reached |
165 | } | 165 | } |
166 | 166 | ||
167 | } | 167 | } |
168 | 168 | ||
169 | Thread::Thread() | 169 | Thread::Thread() |
170 | : d( new Data ) | 170 | : d( new Data ) |
171 | { | 171 | { |
172 | } | 172 | } |
173 | 173 | ||
174 | Thread::~Thread() | 174 | Thread::~Thread() |
175 | { | 175 | { |
176 | assert( d->isRunning == false ); | 176 | assert( d->isRunning == false ); |
177 | delete d; | 177 | delete d; |
178 | } | 178 | } |
179 | 179 | ||
180 | void Thread::start() | 180 | void Thread::start() |
181 | { | 181 | { |
182 | AutoLock lock( d->guard ); | 182 | AutoLock lock( d->guard ); |
183 | 183 | ||
184 | if ( d->isRunning ) { | 184 | if ( d->isRunning ) { |
185 | qDebug( "ThreadUtil::Thread::start() called for running thread." ); | 185 | qDebug( "ThreadUtil::Thread::start() called for running thread." ); |
186 | return; | 186 | return; |
187 | } | 187 | } |
188 | 188 | ||
189 | pthread_attr_t attributes; | 189 | pthread_attr_t attributes; |
190 | pthread_attr_init( &attributes ); | 190 | pthread_attr_init( &attributes ); |
191 | pthread_attr_setscope( &attributes, PTHREAD_SCOPE_SYSTEM ); | 191 | pthread_attr_setscope( &attributes, PTHREAD_SCOPE_SYSTEM ); |
192 | int err = pthread_create( &d->self, &attributes, _threadutil_start_thread, ( void* )this ); | 192 | int err = pthread_create( &d->self, &attributes, _threadutil_start_thread, ( void* )this ); |
193 | if ( err != 0 ) { | 193 | if ( err != 0 ) { |
194 | qDebug( "ThreadUtil::Thread::start() : can't create thread: %s", strerror( err ) ); | 194 | qDebug( "ThreadUtil::Thread::start() : can't create thread: %s", strerror( err ) ); |
195 | pthread_attr_destroy( &attributes ); | 195 | pthread_attr_destroy( &attributes ); |
196 | return; | 196 | return; |
197 | } | 197 | } |
198 | pthread_attr_destroy( &attributes ); | 198 | pthread_attr_destroy( &attributes ); |
199 | } | 199 | } |
200 | 200 | ||
201 | void Thread::terminate() | 201 | void Thread::terminate() |
202 | { | 202 | { |
203 | AutoLock lock( d->guard ); | 203 | AutoLock lock( d->guard ); |
204 | if ( !d->isRunning ) | 204 | if ( !d->isRunning ) |
205 | return; | 205 | return; |
206 | 206 | ||
207 | pthread_cancel( d->self ); | 207 | pthread_cancel( d->self ); |
208 | } | 208 | } |
209 | 209 | ||
210 | bool Thread::wait() | 210 | bool Thread::wait() |
211 | { | 211 | { |
212 | AutoLock lock( d->guard ); | 212 | AutoLock lock( d->guard ); |
213 | if ( !d->isRunning ) | 213 | if ( !d->isRunning ) |
214 | return true; | 214 | return true; |
215 | 215 | ||
216 | return d->finishCondition.wait( d->guard ); | 216 | return d->finishCondition.wait( d->guard ); |
217 | } | 217 | } |
218 | 218 | ||
219 | bool Thread::isRunning() const | 219 | bool Thread::isRunning() const |
220 | { | 220 | { |
221 | AutoLock lock( d->guard ); | 221 | AutoLock lock( d->guard ); |
222 | return d->isRunning; | 222 | return d->isRunning; |
223 | } | 223 | } |
224 | 224 | ||
225 | void Thread::exit() | 225 | void Thread::exit() |
226 | { | 226 | { |
227 | pthread_exit( 0 ); | 227 | pthread_exit( 0 ); |
228 | } | 228 | } |
229 | 229 | ||
230 | OnewayNotifier::OnewayNotifier() | 230 | OnewayNotifier::OnewayNotifier() |
231 | { | 231 | { |
232 | int fds[ 2 ]; | 232 | int fds[ 2 ]; |
233 | pipe( fds ); | 233 | pipe( fds ); |
234 | m_readFd = fds[ 0 ]; | 234 | m_readFd = fds[ 0 ]; |
235 | m_writeFd = fds[ 1 ]; | 235 | m_writeFd = fds[ 1 ]; |
236 | 236 | ||
237 | m_notifier = new QSocketNotifier( m_readFd, QSocketNotifier::Read ); | 237 | m_notifier = new QSocketNotifier( m_readFd, QSocketNotifier::Read ); |
238 | connect( m_notifier, SIGNAL( activated( int ) ), | 238 | connect( m_notifier, SIGNAL( activated( int ) ), |
239 | this, SLOT( wakeUp() ) ); | 239 | this, SLOT( wakeUp() ) ); |
240 | } | 240 | } |
241 | 241 | ||
242 | OnewayNotifier::~OnewayNotifier() | 242 | OnewayNotifier::~OnewayNotifier() |
243 | { | 243 | { |
244 | delete m_notifier; | 244 | delete m_notifier; |
245 | 245 | ||
246 | ::close( m_readFd ); | 246 | ::close( m_readFd ); |
247 | ::close( m_writeFd ); | 247 | ::close( m_writeFd ); |
248 | } | 248 | } |
249 | 249 | ||
250 | void OnewayNotifier::notify() | 250 | void OnewayNotifier::notify() |
251 | { | 251 | { |
252 | const char c = 42; | 252 | const char c = 42; |
253 | ::write( m_writeFd, &c, 1 ); | 253 | ::write( m_writeFd, &c, 1 ); |
254 | } | 254 | } |
255 | 255 | ||
256 | void OnewayNotifier::wakeUp() | 256 | void OnewayNotifier::wakeUp() |
257 | { | 257 | { |
258 | char c = 0; | 258 | char c = 0; |
259 | 259 | ||
260 | if ( ::read( m_readFd, &c, 1 ) != 1 ) | 260 | if ( ::read( m_readFd, &c, 1 ) != 1 ) |
261 | return; | 261 | return; |
262 | 262 | ||
263 | emit awake(); | 263 | emit awake(); |
264 | } | 264 | } |
265 | 265 | ||
266 | ChannelMessage::ChannelMessage( int type ) | 266 | ChannelMessage::ChannelMessage( int type ) |
267 | : m_type( type ), m_isCall( false ), m_replied( false ), | 267 | : m_type( type ), m_isCall( false ), m_replied( false ), |
268 | m_inEventHandler( false ) | 268 | m_inEventHandler( false ) |
269 | { | 269 | { |
270 | } | 270 | } |
271 | 271 | ||
272 | ChannelMessage::~ChannelMessage() | 272 | ChannelMessage::~ChannelMessage() |
273 | { | 273 | { |
274 | if ( m_guard.isLocked() ) | 274 | if ( m_guard.isLocked() ) |
275 | m_guard.unlock(); | 275 | m_guard.unlock(); |
276 | } | 276 | } |
277 | 277 | ||
278 | void ChannelMessage::reply() | 278 | void ChannelMessage::reply() |
279 | { | 279 | { |
280 | if ( !m_isCall ) | 280 | if ( !m_isCall ) |
281 | { | 281 | { |
282 | qDebug( "ChannelMessage::reply() - can't reply oneway message!" ); | 282 | qDebug( "ChannelMessage::reply() - can't reply oneway message!" ); |
283 | return; | 283 | return; |
284 | } | 284 | } |
285 | 285 | ||
286 | if ( m_inEventHandler ) | 286 | if ( m_inEventHandler ) |
287 | { | 287 | { |
288 | m_replied = true; | 288 | m_replied = true; |
289 | return; | 289 | return; |
290 | } | 290 | } |
291 | 291 | ||
292 | m_condition.wakeOne(); | 292 | m_condition.wakeOne(); |
293 | m_guard.unlock(); | 293 | m_guard.unlock(); |
294 | } | 294 | } |
295 | 295 | ||
296 | struct Channel::Private | 296 | struct Channel::Private |
297 | { | 297 | { |
298 | Private() | 298 | Private() |
299 | { | 299 | { |
300 | ownerThread = pthread_self(); | 300 | ownerThread = pthread_self(); |
301 | } | 301 | } |
302 | 302 | ||
303 | pthread_t ownerThread; | 303 | pthread_t ownerThread; |
304 | }; | 304 | }; |
305 | 305 | ||
306 | Channel::Channel( QObject *parent, const char *name ) | 306 | Channel::Channel( QObject *parent, const char *name ) |
307 | : QObject( parent, name ), d( new Private ) | 307 | : QObject( parent, name ), d( new Private ) |
308 | { | 308 | { |
309 | connect( &m_notifier, SIGNAL( awake() ), | 309 | connect( &m_notifier, SIGNAL( awake() ), |
310 | this, SLOT( deliver() ) ); | 310 | this, SLOT( deliver() ) ); |
311 | } | 311 | } |
312 | 312 | ||
313 | Channel::~Channel() | 313 | Channel::~Channel() |
314 | { | 314 | { |
315 | delete d; | 315 | delete d; |
316 | } | 316 | } |
317 | 317 | ||
318 | void Channel::send( ChannelMessage *message, SendType type ) | 318 | void Channel::send( ChannelMessage *message, SendType type ) |
319 | { | 319 | { |
320 | if ( type == WaitForReply ) | 320 | if ( type == WaitForReply ) |
321 | { | 321 | { |
322 | message->m_guard.lock(); | 322 | message->m_guard.lock(); |
323 | message->m_isCall = true; | 323 | message->m_isCall = true; |
324 | } | 324 | } |
325 | 325 | ||
326 | m_pendingMessagesGuard.lock(); | 326 | m_pendingMessagesGuard.lock(); |
327 | m_pendingMessages << MsgEnvelope( type, message ); | 327 | m_pendingMessages << MsgEnvelope( type, message ); |
328 | m_pendingMessagesGuard.unlock(); | 328 | m_pendingMessagesGuard.unlock(); |
329 | 329 | ||
330 | if ( d->ownerThread == pthread_self() ) { | 330 | if ( d->ownerThread == pthread_self() ) { |
331 | assert( type != WaitForReply ); | 331 | assert( type != WaitForReply ); |
332 | 332 | ||
333 | deliver(); | 333 | deliver(); |
334 | } | 334 | } |
335 | else | 335 | else |
336 | m_notifier.notify(); | 336 | m_notifier.notify(); |
337 | //QThread::postEvent( this, new QCustomEvent( QEvent::User, envelope ) ); | 337 | //QThread::postEvent( this, new QCustomEvent( QEvent::User, envelope ) ); |
338 | 338 | ||
339 | if ( type == WaitForReply ) | 339 | if ( type == WaitForReply ) |
340 | { | 340 | { |
341 | message->m_condition.wait( message->m_guard ); | 341 | message->m_condition.wait( message->m_guard ); |
342 | message->m_guard.unlock(); | 342 | message->m_guard.unlock(); |
343 | } | 343 | } |
344 | } | 344 | } |
345 | 345 | ||
346 | void Channel::deliver() | 346 | void Channel::deliver() |
347 | { | 347 | { |
348 | AutoLock lock( m_pendingMessagesGuard ); | 348 | AutoLock lock( m_pendingMessagesGuard ); |
diff --git a/noncore/multimedia/opieplayer2/threadutil.h b/noncore/multimedia/opieplayer2/threadutil.h index b67b61d..21ae6b2 100644 --- a/noncore/multimedia/opieplayer2/threadutil.h +++ b/noncore/multimedia/opieplayer2/threadutil.h | |||
@@ -1,206 +1,205 @@ | |||
1 | /* This file is part of the KDE project | 1 | /* This file is part of the KDE project |
2 | Copyright (C) 2002 Simon Hausmann <hausmann@kde.org> | 2 | Copyright (C) 2002 Simon Hausmann <hausmann@kde.org> |
3 | 3 | ||
4 | This library is free software; you can redistribute it and/or | 4 | This library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Library General Public | 5 | modify it under the terms of the GNU Library General Public |
6 | License as published by the Free Software Foundation; either | 6 | License as published by the Free Software Foundation; either |
7 | version 2 of the License, or (at your option) any later version. | 7 | version 2 of the License, or (at your option) any later version. |
8 | 8 | ||
9 | This library is distributed in the hope that it will be useful, | 9 | This library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | Library General Public License for more details. | 12 | Library General Public License for more details. |
13 | 13 | ||
14 | You should have received a copy of the GNU Library General Public License | 14 | You should have received a copy of the GNU Library General Public License |
15 | along with this library; see the file COPYING.LIB. If not, write to | 15 | along with this library; see the file COPYING.LIB. If not, write to |
16 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | 16 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
17 | Boston, MA 02111-1307, USA. | 17 | Boston, MA 02111-1307, USA. |
18 | */ | 18 | */ |
19 | 19 | ||
20 | #ifndef THREADUTIL_H | 20 | #ifndef THREADUTIL_H |
21 | #define THREADUTIL_H | 21 | #define THREADUTIL_H |
22 | 22 | ||
23 | #include <qvaluelist.h> | 23 | #include <qvaluelist.h> |
24 | #include <qobject.h> | 24 | #include <qobject.h> |
25 | #include <qguardedptr.h> | 25 | #include <qguardedptr.h> |
26 | 26 | ||
27 | class QSocketNotifier; | 27 | class QSocketNotifier; |
28 | 28 | ||
29 | extern "C" | 29 | extern "C" |
30 | { | 30 | { |
31 | void *_threadutil_start_thread( void* ); | 31 | void *_threadutil_start_thread( void* ); |
32 | void _threadutil_terminate_thread( void* ); | ||
33 | } | 32 | } |
34 | 33 | ||
35 | namespace ThreadUtil | 34 | namespace ThreadUtil |
36 | { | 35 | { |
37 | 36 | ||
38 | class Mutex | 37 | class Mutex |
39 | { | 38 | { |
40 | friend class WaitCondition; | 39 | friend class WaitCondition; |
41 | public: | 40 | public: |
42 | Mutex(); | 41 | Mutex(); |
43 | ~Mutex(); | 42 | ~Mutex(); |
44 | 43 | ||
45 | void lock(); | 44 | void lock(); |
46 | void unlock(); | 45 | void unlock(); |
47 | bool tryLock(); | 46 | bool tryLock(); |
48 | bool isLocked(); | 47 | bool isLocked(); |
49 | 48 | ||
50 | private: | 49 | private: |
51 | struct Data; | 50 | struct Data; |
52 | Data *d; | 51 | Data *d; |
53 | 52 | ||
54 | Mutex( const Mutex & ); | 53 | Mutex( const Mutex & ); |
55 | Mutex &operator=( const Mutex & ); | 54 | Mutex &operator=( const Mutex & ); |
56 | }; | 55 | }; |
57 | 56 | ||
58 | class AutoLock | 57 | class AutoLock |
59 | { | 58 | { |
60 | public: | 59 | public: |
61 | AutoLock( Mutex &mutex ) : m_mutex( mutex ) { m_mutex.lock(); } | 60 | AutoLock( Mutex &mutex ) : m_mutex( mutex ) { m_mutex.lock(); } |
62 | ~AutoLock() { m_mutex.unlock(); } | 61 | ~AutoLock() { m_mutex.unlock(); } |
63 | 62 | ||
64 | Mutex *operator &() const { return &m_mutex; } | 63 | Mutex *operator &() const { return &m_mutex; } |
65 | 64 | ||
66 | private: | 65 | private: |
67 | Mutex &m_mutex; | 66 | Mutex &m_mutex; |
68 | }; | 67 | }; |
69 | 68 | ||
70 | class WaitCondition | 69 | class WaitCondition |
71 | { | 70 | { |
72 | public: | 71 | public: |
73 | WaitCondition(); | 72 | WaitCondition(); |
74 | ~WaitCondition(); | 73 | ~WaitCondition(); |
75 | 74 | ||
76 | bool wait(); | 75 | bool wait(); |
77 | bool wait( Mutex &mutex ); | 76 | bool wait( Mutex &mutex ); |
78 | 77 | ||
79 | void wakeOne(); | 78 | void wakeOne(); |
80 | void wakeAll(); | 79 | void wakeAll(); |
81 | 80 | ||
82 | private: | 81 | private: |
83 | struct Data; | 82 | struct Data; |
84 | Data *d; | 83 | Data *d; |
85 | 84 | ||
86 | WaitCondition( const WaitCondition & ); | 85 | WaitCondition( const WaitCondition & ); |
87 | WaitCondition &operator=( const WaitCondition & ); | 86 | WaitCondition &operator=( const WaitCondition & ); |
88 | }; | 87 | }; |
89 | 88 | ||
90 | class Thread | 89 | class Thread |
91 | { | 90 | { |
92 | friend void *::_threadutil_start_thread( void* ); | 91 | friend void *::_threadutil_start_thread( void* ); |
93 | friend void ::_threadutil_terminate_thread( void* ); | ||
94 | public: | 92 | public: |
93 | struct Data; | ||
94 | |||
95 | Thread(); | 95 | Thread(); |
96 | virtual ~Thread(); | 96 | virtual ~Thread(); |
97 | 97 | ||
98 | void start(); | 98 | void start(); |
99 | void terminate(); | 99 | void terminate(); |
100 | 100 | ||
101 | bool wait(); | 101 | bool wait(); |
102 | 102 | ||
103 | bool isRunning() const; | 103 | bool isRunning() const; |
104 | 104 | ||
105 | static void exit(); | 105 | static void exit(); |
106 | protected: | 106 | protected: |
107 | virtual void run() = 0; | 107 | virtual void run() = 0; |
108 | 108 | ||
109 | private: | 109 | private: |
110 | struct Data; | ||
111 | Data *d; | 110 | Data *d; |
112 | }; | 111 | }; |
113 | 112 | ||
114 | class OnewayNotifier : public QObject | 113 | class OnewayNotifier : public QObject |
115 | { | 114 | { |
116 | Q_OBJECT | 115 | Q_OBJECT |
117 | public: | 116 | public: |
118 | OnewayNotifier(); | 117 | OnewayNotifier(); |
119 | ~OnewayNotifier(); | 118 | ~OnewayNotifier(); |
120 | 119 | ||
121 | void notify(); | 120 | void notify(); |
122 | 121 | ||
123 | signals: | 122 | signals: |
124 | void awake(); | 123 | void awake(); |
125 | 124 | ||
126 | private slots: | 125 | private slots: |
127 | void wakeUp(); | 126 | void wakeUp(); |
128 | 127 | ||
129 | private: | 128 | private: |
130 | int m_readFd; | 129 | int m_readFd; |
131 | int m_writeFd; | 130 | int m_writeFd; |
132 | QSocketNotifier *m_notifier; | 131 | QSocketNotifier *m_notifier; |
133 | }; | 132 | }; |
134 | 133 | ||
135 | 134 | ||
136 | class Channel; | 135 | class Channel; |
137 | 136 | ||
138 | class ChannelMessage | 137 | class ChannelMessage |
139 | { | 138 | { |
140 | friend class Channel; | 139 | friend class Channel; |
141 | public: | 140 | public: |
142 | ChannelMessage( int type = -1 ); | 141 | ChannelMessage( int type = -1 ); |
143 | virtual ~ChannelMessage(); | 142 | virtual ~ChannelMessage(); |
144 | 143 | ||
145 | int type() const { return m_type; } | 144 | int type() const { return m_type; } |
146 | 145 | ||
147 | void reply(); | 146 | void reply(); |
148 | 147 | ||
149 | private: | 148 | private: |
150 | ChannelMessage( const ChannelMessage & ); | 149 | ChannelMessage( const ChannelMessage & ); |
151 | ChannelMessage &operator=( const ChannelMessage ); | 150 | ChannelMessage &operator=( const ChannelMessage ); |
152 | 151 | ||
153 | int m_type; | 152 | int m_type; |
154 | bool m_isCall : 1; | 153 | bool m_isCall : 1; |
155 | bool m_replied : 1; | 154 | bool m_replied : 1; |
156 | bool m_inEventHandler : 1; | 155 | bool m_inEventHandler : 1; |
157 | Mutex m_guard; | 156 | Mutex m_guard; |
158 | WaitCondition m_condition; | 157 | WaitCondition m_condition; |
159 | QGuardedPtr<Channel> m_channel; | 158 | QGuardedPtr<Channel> m_channel; |
160 | }; | 159 | }; |
161 | 160 | ||
162 | class Channel : public QObject | 161 | class Channel : public QObject |
163 | { | 162 | { |
164 | Q_OBJECT | 163 | Q_OBJECT |
165 | public: | 164 | public: |
166 | enum SendType { OneWay, WaitForReply }; | 165 | enum SendType { OneWay, WaitForReply }; |
167 | Channel( QObject *parent = 0, const char *name = 0 ); | 166 | Channel( QObject *parent = 0, const char *name = 0 ); |
168 | virtual ~Channel(); | 167 | virtual ~Channel(); |
169 | 168 | ||
170 | void send( ChannelMessage *message, SendType type ); | 169 | void send( ChannelMessage *message, SendType type ); |
171 | 170 | ||
172 | protected: | 171 | protected: |
173 | virtual void receiveMessage( ChannelMessage *message, SendType type ) = 0; | 172 | virtual void receiveMessage( ChannelMessage *message, SendType type ) = 0; |
174 | 173 | ||
175 | private slots: | 174 | private slots: |
176 | void deliver(); | 175 | void deliver(); |
177 | 176 | ||
178 | private: | 177 | private: |
179 | OnewayNotifier m_notifier; | 178 | OnewayNotifier m_notifier; |
180 | 179 | ||
181 | struct MsgEnvelope | 180 | struct MsgEnvelope |
182 | { | 181 | { |
183 | MsgEnvelope() : type( OneWay ), msg( 0 ) {} | 182 | MsgEnvelope() : type( OneWay ), msg( 0 ) {} |
184 | MsgEnvelope( SendType _type , ChannelMessage *_msg ) | 183 | MsgEnvelope( SendType _type , ChannelMessage *_msg ) |
185 | : type( _type ), msg( _msg ) {} | 184 | : type( _type ), msg( _msg ) {} |
186 | 185 | ||
187 | SendType type; | 186 | SendType type; |
188 | ChannelMessage *msg; | 187 | ChannelMessage *msg; |
189 | }; | 188 | }; |
190 | 189 | ||
191 | void deliverOne( const MsgEnvelope &envelope ); | 190 | void deliverOne( const MsgEnvelope &envelope ); |
192 | 191 | ||
193 | typedef QValueList<MsgEnvelope> MsgEnvelopeList; | 192 | typedef QValueList<MsgEnvelope> MsgEnvelopeList; |
194 | 193 | ||
195 | MsgEnvelopeList m_pendingMessages; | 194 | MsgEnvelopeList m_pendingMessages; |
196 | Mutex m_pendingMessagesGuard; | 195 | Mutex m_pendingMessagesGuard; |
197 | 196 | ||
198 | struct Private; | 197 | struct Private; |
199 | Private *d; | 198 | Private *d; |
200 | }; | 199 | }; |
201 | 200 | ||
202 | } | 201 | } |
203 | 202 | ||
204 | #endif // THREADUTIL_H | 203 | #endif // THREADUTIL_H |
205 | /* vim: et sw=4 ts=4 | 204 | /* vim: et sw=4 ts=4 |
206 | */ | 205 | */ |