version 1.32, 2003/03/18 22:35:27
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version 1.35, 2003/04/07 20:29:23
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ThreadPool::~ThreadPool(void) | ThreadPool::~ThreadPool(void) |
{ | { |
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try |
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{ |
_pools.remove(this); | _pools.remove(this); |
_dying++; | _dying++; |
Thread *th = 0; | Thread *th = 0; |
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delete th; | delete th; |
th = _dead.remove_first(); | th = _dead.remove_first(); |
} | } |
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} |
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catch(...) |
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{ |
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} |
} | } |
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// make this static to the class | // make this static to the class |
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{ | { |
PEG_METHOD_ENTER(TRC_THREAD, "ThreadPool::_loop"); | PEG_METHOD_ENTER(TRC_THREAD, "ThreadPool::_loop"); |
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#if defined(PEGASUS_DEBUG) |
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char trace_buf[24]; |
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snprintf(trace_buf, 23, "%d", (Uint32)pegasus_thread_self()); |
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Tracer::trace(TRC_THREAD, Tracer::LEVEL4, "ThreadPool::_loop entered by %s", trace_buf); |
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#endif |
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Thread *myself = (Thread *)parm; | Thread *myself = (Thread *)parm; |
if(myself == 0) | if(myself == 0) |
{ | { |
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} | } |
catch(IPCException &) | catch(IPCException &) |
{ | { |
#if defined(PEGASUS_DEBUG) |
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Tracer::trace(__FILE__, __LINE__, TRC_THREAD, Tracer::LEVEL4, |
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"%s: IPCException Caught - EXITING", trace_buf); |
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#endif |
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PEG_METHOD_EXIT(); | PEG_METHOD_EXIT(); |
myself->exit_self(0); | myself->exit_self(0); |
} | } |
catch(...) | catch(...) |
{ | { |
#if defined(PEGASUS_DEBUG) |
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Tracer::trace(__FILE__, __LINE__, TRC_THREAD, Tracer::LEVEL4, |
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"%s: Unknown Exception Caught - EXITING", trace_buf); |
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#endif |
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PEG_METHOD_EXIT(); | PEG_METHOD_EXIT(); |
myself->exit_self(0); | myself->exit_self(0); |
} | } |
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if(sleep_sem == 0 || deadlock_timer == 0) | if(sleep_sem == 0 || deadlock_timer == 0) |
{ | { |
#if defined(PEGASUS_DEBUG) |
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Tracer::trace(__FILE__, __LINE__, TRC_THREAD, Tracer::LEVEL4, |
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"%s: NULL Semaphore - EXITING", trace_buf); |
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#endif |
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PEG_METHOD_EXIT(); | PEG_METHOD_EXIT(); |
throw NullPointer(); | throw NullPointer(); |
} | } |
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while(pool->_dying < 1) | while(pool->_dying < 1) |
{ | { |
#if defined(PEGASUS_DEBUG) |
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Tracer::trace(__FILE__, __LINE__, TRC_THREAD, Tracer::LEVEL4, |
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"%s: ThreadPool::_loop - waiting on semaphore", trace_buf); |
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#endif |
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sleep_sem->wait(); | sleep_sem->wait(); |
#if defined(PEGASUS_DEBUG) |
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Tracer::trace(__FILE__, __LINE__, TRC_THREAD, Tracer::LEVEL4, |
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"%s: ThreadPool::_loop - awakened from semaphore", trace_buf); |
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#endif |
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// when we awaken we reside on the running queue, not the pool queue | // when we awaken we reside on the running queue, not the pool queue |
if(pool->_dying > 0) | if(pool->_dying > 0) |
break; | break; |
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PEGASUS_THREAD_RETURN (PEGASUS_THREAD_CDECL *_work)(void *) = 0; | PEGASUS_THREAD_RETURN (PEGASUS_THREAD_CDECL *_work)(void *) = 0; |
void *parm = 0; | void *parm = 0; |
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} | } |
catch(IPCException &) | catch(IPCException &) |
{ | { |
#if defined(PEGASUS_DEBUG) |
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Tracer::trace(__FILE__, __LINE__, TRC_THREAD, Tracer::LEVEL4, |
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"%s: IPCException Caught - EXITING", trace_buf); |
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#endif |
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PEG_METHOD_EXIT(); | PEG_METHOD_EXIT(); |
myself->exit_self(0); | myself->exit_self(0); |
} | } |
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if(_work == 0) | if(_work == 0) |
{ | { |
#if defined(PEGASUS_DEBUG) |
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Tracer::trace(__FILE__, __LINE__, TRC_THREAD, Tracer::LEVEL4, |
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"%s: NULL work pointer - EXITING", trace_buf); |
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#endif |
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PEG_METHOD_EXIT(); | PEG_METHOD_EXIT(); |
throw NullPointer(); | throw NullPointer(); |
} | } |
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if(_work == | if(_work == |
(PEGASUS_THREAD_RETURN (PEGASUS_THREAD_CDECL *)(void *)) &_undertaker) | (PEGASUS_THREAD_RETURN (PEGASUS_THREAD_CDECL *)(void *)) &_undertaker) |
{ | { |
#if defined(PEGASUS_DEBUG) |
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Tracer::trace(__FILE__, __LINE__, TRC_THREAD, Tracer::LEVEL4, |
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"%s: Calling the Undertaker", trace_buf); |
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#endif |
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_work(parm); | _work(parm); |
} | } |
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gettimeofday(deadlock_timer, NULL); | gettimeofday(deadlock_timer, NULL); |
try | try |
{ | { |
#if defined(PEGASUS_DEBUG) |
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Tracer::trace(__FILE__, __LINE__, TRC_THREAD, Tracer::LEVEL4, |
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"%s: ThreadPool::_loop - calling work routine", trace_buf); |
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#endif |
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_work(parm); | _work(parm); |
#if defined(PEGASUS_DEBUG) |
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Tracer::trace(__FILE__, __LINE__, TRC_THREAD, Tracer::LEVEL4, |
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"%s: ThreadPool::_loop - returned from work routine", trace_buf); |
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#endif |
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} | } |
catch(...) | catch(...) |
{ | { |
#if defined(PEGASUS_DEBUG) |
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Tracer::trace(__FILE__, __LINE__, TRC_THREAD, Tracer::LEVEL4, |
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"%s: Unknown Exception Caught - EXITING"); |
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#endif |
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gettimeofday(deadlock_timer, NULL); | gettimeofday(deadlock_timer, NULL); |
} | } |
gettimeofday(deadlock_timer, NULL); | gettimeofday(deadlock_timer, NULL); |
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} | } |
catch(IPCException &) | catch(IPCException &) |
{ | { |
#if defined(PEGASUS_DEBUG) |
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Tracer::trace(__FILE__, __LINE__, TRC_THREAD, Tracer::LEVEL4, |
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"%s: IPCException Caught - EXITING", trace_buf); |
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#endif |
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PEG_METHOD_EXIT(); | PEG_METHOD_EXIT(); |
myself->exit_self(0); | myself->exit_self(0); |
} | } |
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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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Tracer::trace(TRC_THREAD, Tracer::LEVEL4, "ThreadPool:: removing and joining dead thread"); |
#if !defined(PEGASUS_PLATFORM_HPUX_ACC) && !defined(PEGASUS_PLATFORM_LINUX_IA64_GNU) |
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PEGASUS_STD(cout) << "ThreadPool:: removing and joining dead thread" << PEGASUS_STD(endl); |
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#endif |
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Thread *dead = _dead.remove_first(); | Thread *dead = _dead.remove_first(); |
if(dead == 0) | if(dead == 0) |
throw NullPointer(); | throw NullPointer(); |
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else | else |
{ | { |
// deadlocked threads | // deadlocked threads |
#if !defined(PEGASUS_PLATFORM_HPUX_ACC) && !defined(PEGASUS_PLATFORM_LINUX_IA64_GNU) |
Tracer::trace(TRC_THREAD, Tracer::LEVEL4, "Killing a deadlocked thread"); |
PEGASUS_STD(cout) << "Killing a deadlocked thread" << PEGASUS_STD(endl); |
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#endif |
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th->cancel(); | th->cancel(); |
delete th; | delete th; |
} | } |
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struct timeval now, finish, remaining; | struct timeval now, finish, remaining; |
Uint32 usec; | Uint32 usec; |
gettimeofday(&now, NULL); |
pegasus_gettimeofday(&now); |
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finish.tv_sec = start->tv_sec + interval->tv_sec; | finish.tv_sec = start->tv_sec + interval->tv_sec; |
usec = start->tv_usec + interval->tv_usec; | usec = start->tv_usec + interval->tv_usec; |
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Thread *ThreadPool::_init_thread(void) throw(IPCException) | Thread *ThreadPool::_init_thread(void) throw(IPCException) |
{ | { |
PEG_METHOD_ENTER(TRC_THREAD, "ThreadPool::_init_thread"); |
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Thread *th = (Thread *) new Thread(_loop, this, false); | Thread *th = (Thread *) new Thread(_loop, this, false); |
// allocate a sleep semaphore and pass it in the thread context | // allocate a sleep semaphore and pass it in the thread context |
// initial count is zero, loop function will sleep until | // initial count is zero, loop function will sleep until |
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th->put_tsd("sleep sem", &_sleep_sem_del, sizeof(Semaphore), (void *)sleep_sem); | th->put_tsd("sleep sem", &_sleep_sem_del, sizeof(Semaphore), (void *)sleep_sem); |
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struct timeval *dldt = (struct timeval *) ::operator new(sizeof(struct timeval)); | struct timeval *dldt = (struct timeval *) ::operator new(sizeof(struct timeval)); |
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pegasus_gettimeofday(dldt); |
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th->put_tsd("deadlock timer", thread_data::default_delete, sizeof(struct timeval), (void *)dldt); | th->put_tsd("deadlock timer", thread_data::default_delete, sizeof(struct timeval), (void *)dldt); |
// thread will enter _loop(void *) and sleep on sleep_sem until we signal it | // thread will enter _loop(void *) and sleep on sleep_sem until we signal it |
th->run(); | th->run(); |
_current_threads++; | _current_threads++; |
pegasus_yield(); | pegasus_yield(); |
PEG_METHOD_EXIT(); |
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return th; | return th; |
} | } |