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version 1.30, 2003/02/13 14:53:10
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version 1.31, 2003/02/20 01:42:26
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| // first go thread the dead q and clean it up as much as possible | // first go thread the dead q and clean it up as much as possible |
| while(_dead.count() > 0) | while(_dead.count() > 0) |
| { | { |
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#if !defined(PEGASUS_PLATFORM_HPUX_ACC) && !defined(PEGASUS_PLATFORM_LINUX_IA64_GNU) |
| PEGASUS_STD(cout) << "ThreadPool:: removing and joining dead thread" << PEGASUS_STD(endl); | PEGASUS_STD(cout) << "ThreadPool:: removing and joining dead thread" << PEGASUS_STD(endl); |
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#endif |
| Thread *dead = _dead.remove_first(); | Thread *dead = _dead.remove_first(); |
| if(dead == 0) | if(dead == 0) |
| throw NullPointer(); | throw NullPointer(); |
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| int i = 0; | int i = 0; |
| AtomicInt needed(0); | AtomicInt needed(0); |
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#ifdef PEGASUS_DISABLE_KILLING_HUNG_THREADS |
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// This change prevents the thread pool from killing "hung" threads. |
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// The definition of a "hung" thread is one that has been on the run queue |
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// for longer than the time interval set when the thread pool was created. |
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// Cancelling "hung" threads has proven to be problematic. |
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// With this change the thread pool will not cancel "hung" threads. This |
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// may prevent a crash depending upon the state of the "hung" thread. In |
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// the case that the thread is actually hung, this change causes the |
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// thread resources not to be reclaimed. |
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// Idle threads, those that have not executed a routine for a time |
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// interval, continue to be destroyed. This is normal and should not |
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// cause any problems. |
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for( ; i < 1; i++) |
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#else |
| for( ; i < 2; i++) | for( ; i < 2; i++) |
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#endif |
| { | { |
| q = map[i]; | q = map[i]; |
| if(q->count() > 0 ) | if(q->count() > 0 ) |
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| else | else |
| { | { |
| // deadlocked threads | // deadlocked threads |
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#if !defined(PEGASUS_PLATFORM_HPUX_ACC) && !defined(PEGASUS_PLATFORM_LINUX_IA64_GNU) |
| PEGASUS_STD(cout) << "Killing a deadlocked thread" << PEGASUS_STD(endl); | PEGASUS_STD(cout) << "Killing a deadlocked thread" << PEGASUS_STD(endl); |
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#endif |
| th->cancel(); | th->cancel(); |
| delete th; | delete th; |
| } | } |
Return to
Thread.cpp
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