1 /**************************************************************
2 *
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 *
20 *************************************************************/
21
22
23
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_vcl.hxx"
26
27 #define THREADEX_IMPLEMENTATION
28 #include <vcl/threadex.hxx>
29 #include <vcl/svapp.hxx>
30
31 using namespace vcl;
32
ThreadExecutor()33 ThreadExecutor::ThreadExecutor()
34 {
35 m_aFinish = osl_createCondition();
36 m_aThread = NULL;
37 }
38
~ThreadExecutor()39 ThreadExecutor::~ThreadExecutor()
40 {
41 osl_destroyCondition( m_aFinish );
42 if( m_aThread )
43 osl_destroyThread( m_aThread );
44 }
45
46 extern "C"
47 {
call_worker(void * pInstance)48 static void call_worker( void* pInstance )
49 {
50 ThreadExecutor::worker( pInstance );
51 }
52 }
53
worker(void * pInstance)54 void ThreadExecutor::worker( void* pInstance )
55 {
56 ThreadExecutor* pThis = ((ThreadExecutor*)pInstance);
57 pThis->m_nReturn = pThis->doIt();
58 osl_setCondition( pThis->m_aFinish );
59 }
60
execute()61 long ThreadExecutor::execute()
62 {
63 osl_resetCondition( m_aFinish );
64 if( m_aThread )
65 osl_destroyThread( m_aThread ), m_aThread = NULL;
66 m_aThread = osl_createThread( call_worker, this );
67 while( ! osl_checkCondition( m_aFinish ) )
68 Application::Reschedule();
69 return m_nReturn;
70 }
71
72
SolarThreadExecutor()73 SolarThreadExecutor::SolarThreadExecutor()
74 :m_nReturn( 0 )
75 ,m_bTimeout( false )
76 {
77 m_aStart = osl_createCondition();
78 m_aFinish = osl_createCondition();
79 }
80
~SolarThreadExecutor()81 SolarThreadExecutor::~SolarThreadExecutor()
82 {
83 osl_destroyCondition( m_aStart );
84 osl_destroyCondition( m_aFinish );
85 }
86
IMPL_LINK(SolarThreadExecutor,worker,void *,EMPTYARG)87 IMPL_LINK( SolarThreadExecutor, worker, void*, EMPTYARG )
88 {
89 if ( !m_bTimeout )
90 {
91 osl_setCondition( m_aStart );
92 m_nReturn = doIt();
93 osl_setCondition( m_aFinish );
94 }
95 return m_nReturn;
96 }
97
impl_execute(const TimeValue * _pTimeout)98 long SolarThreadExecutor::impl_execute( const TimeValue* _pTimeout )
99 {
100 if( ::vos::OThread::getCurrentIdentifier() == Application::GetMainThreadIdentifier() )
101 {
102 osl_setCondition( m_aStart );
103 m_nReturn = doIt();
104 osl_setCondition( m_aFinish );
105 }
106 else
107 {
108 osl_resetCondition( m_aStart );
109 osl_resetCondition( m_aFinish );
110 sal_uLong nSolarMutexCount = Application::ReleaseSolarMutex();
111 sal_uLong nEvent = Application::PostUserEvent( LINK( this, SolarThreadExecutor, worker ) );
112 if ( osl_cond_result_timeout == osl_waitCondition( m_aStart, _pTimeout ) )
113 {
114 m_bTimeout = true;
115 Application::RemoveUserEvent( nEvent );
116 }
117 else
118 osl_waitCondition( m_aFinish, NULL );
119 if( nSolarMutexCount )
120 Application::AcquireSolarMutex( nSolarMutexCount );
121 }
122 return m_nReturn;
123 }
124