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version 1.15, 2001/12/27 21:20:53
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version 1.16, 2001/12/28 17:15:37
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| static QueueTable _queueTable(128); | static QueueTable _queueTable(128); |
| static Mutex q_table_mut = Mutex(); | static Mutex q_table_mut = Mutex(); |
| | |
| static Uint32 _GetNextQueueId() throw(IPCException) |
Uint32 MessageQueue::getNextQueueId() throw(IPCException) |
| { | { |
| |
static Uint32 _nextQueueId = 1; |
| | |
| static Uint32 _queueId = 2; |
// |
| static Mutex _id_mut = Mutex(); |
// Lock mutex: |
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// |
| | |
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static Mutex _id_mut = Mutex(); |
| _id_mut.lock(pegasus_thread_self()); | _id_mut.lock(pegasus_thread_self()); |
| | |
| // Handle wrap-around! |
// Assign next queue id. Handle wrap around and never assign zero as |
| if (_queueId == 0) |
// a queue id: |
| _queueId = MessageQueue::_CIMOM_Q_ID; |
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| Uint32 ret = _queueId++; |
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| _id_mut.unlock(); |
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| | |
| return ret; |
if (_nextQueueId == 0) |
| } |
_nextQueueId = 1; |
| | |
| Uint32 MessageQueue::_CIMOM_Q_ID = 1; |
Uint32 queueId = _nextQueueId++; |
| | |
| MessageQueue::MessageQueue(const char * name, Boolean async) |
// |
| : _mut( ), _count(0), _front(0), _back(0), |
// Unlock mutex: |
| _async(async), |
// |
| _workThread(MessageQueue::workThread, this, false), |
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| _workSemaphore(0) |
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_id_mut.unlock(); |
| | |
| { |
return queueId; |
| if(name != NULL) |
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| { |
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| strncpy(_name, name, 25); |
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| _name[25] = 0x00; |
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| } | } |
| else |
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| memset(_name, 0x00,25); |
MessageQueue::MessageQueue( |
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const char* name, |
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Boolean async, |
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Uint32 queueId) |
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: |
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_queueId(queueId), _count(0), _front(0), _back(0), _async(async), |
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_workThread(MessageQueue::workThread, this, false), _workSemaphore(0) |
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{ |
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// |
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// Copy the name: |
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// |
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if (!name) |
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name = ""; |
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_name = new char[strlen(name) + 1]; |
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strcpy(_name, name); |
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// |
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// Insert into queue table: |
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// |
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| q_table_mut.lock(pegasus_thread_self()); | q_table_mut.lock(pegasus_thread_self()); |
| | |
| while (!_queueTable.insert(_queueId = _GetNextQueueId(), this)) |
while (!_queueTable.insert(_queueId, this)) |
| ; | ; |
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| q_table_mut.unlock(); | q_table_mut.unlock(); |
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| | |
| if(_async == true) | if(_async == true) |
| { |
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| _workThread.run(); | _workThread.run(); |
| } | } |
| | |
| } |
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| MessageQueue::~MessageQueue() | MessageQueue::~MessageQueue() |
| { | { |
| // ATTN-A: thread safety! | // ATTN-A: thread safety! |
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| _workThread.join(); // wait for thread to complete | _workThread.join(); // wait for thread to complete |
| } | } |
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// Free the name: |
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delete [] _name; |
| } | } |
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| | |
Return to
MessageQueue.cpp
CVS log
Up to [Pegasus] / pegasus / src / Pegasus / Common