version 1.1.2.5, 2001/07/31 15:05:05
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version 1.89, 2006/01/30 16:17:08
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//%///////////////////////////////////////////////////////////////////////////// |
//%2006//////////////////////////////////////////////////////////////////////// |
// | // |
// Copyright (c) 2000, 2001 The Open group, BMC Software, Tivoli Systems, IBM |
// Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development |
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// Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems. |
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// Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.; |
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// IBM Corp.; EMC Corporation, The Open Group. |
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// Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.; |
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// IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group. |
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// Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.; |
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// EMC Corporation; VERITAS Software Corporation; The Open Group. |
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// Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.; |
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// EMC Corporation; Symantec Corporation; The Open Group. |
// | // |
// Permission is hereby granted, free of charge, to any person obtaining a copy | // Permission is hereby granted, free of charge, to any person obtaining a copy |
// of this software and associated documentation files (the "Software"), to | // of this software and associated documentation files (the "Software"), to |
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// | // |
// Author: Mike Day (mdday@us.ibm.com) | // Author: Mike Day (mdday@us.ibm.com) |
// | // |
// Modified By: |
// Modified By: Rudy Schuet (rudy.schuet@compaq.com) 11/12/01 |
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// added nsk platform support |
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// Roger Kumpf, Hewlett-Packard Company (roger_kumpf@hp.com) |
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// Amit K Arora, IBM (amita@in.ibm.com) for PEP#101 |
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// Sean Keenan, Hewlett-Packard Company (sean.keenan@hp.com) |
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// David Dillard, VERITAS Software Corp. |
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// (david.dillard@veritas.com) |
// | // |
//%///////////////////////////////////////////////////////////////////////////// | //%///////////////////////////////////////////////////////////////////////////// |
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#include "Thread.h" | #include "Thread.h" |
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#include <exception> |
#include <Pegasus/Common/IPC.h> | #include <Pegasus/Common/IPC.h> |
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#include <Pegasus/Common/Tracer.h> |
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#if defined(PEGASUS_OS_TYPE_WINDOWS) | #if defined(PEGASUS_OS_TYPE_WINDOWS) |
# include "ThreadWindows.cpp" | # include "ThreadWindows.cpp" |
#elif defined(PEGASUS_OS_TYPE_UNIX) | #elif defined(PEGASUS_OS_TYPE_UNIX) |
# include "ThreadUnix.cpp" | # include "ThreadUnix.cpp" |
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#elif defined(PEGASUS_OS_TYPE_NSK) |
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# include "ThreadNsk.cpp" |
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#elif defined(PEGASUS_OS_VMS) |
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# include "ThreadVms.cpp" |
#else | #else |
# error "Unsupported platform" | # error "Unsupported platform" |
#endif | #endif |
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PEGASUS_USING_STD; |
PEGASUS_NAMESPACE_BEGIN | PEGASUS_NAMESPACE_BEGIN |
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Boolean Thread::_signals_blocked = false; |
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// for non-native implementations |
void thread_data::default_delete(void * data) |
#ifndef PEGASUS_THREAD_CLEANUP_NATIVE |
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void Thread::cleanup_push( void (*routine)(void *), void *parm) throw(IPCException) |
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{ |
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cleanup_handler *cu = new cleanup_handler(routine, parm); |
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try |
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{ | { |
_cleanup.insert_first(cu); |
if( data != NULL) |
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::operator delete(data); |
} | } |
catch(IPCException& e) |
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// l10n start |
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void language_delete(void * data) |
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{ |
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if( data != NULL) |
{ | { |
delete cu; |
AutoPtr<AcceptLanguageList> al(static_cast<AcceptLanguageList *>(data)); |
throw; |
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} | } |
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} |
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// l10n end |
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Boolean Thread::_signals_blocked = false; |
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// l10n |
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#ifndef PEGASUS_OS_ZOS |
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PEGASUS_THREAD_KEY_TYPE Thread::_platform_thread_key = PEGASUS_THREAD_KEY_TYPE(-1); |
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#else |
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PEGASUS_THREAD_KEY_TYPE Thread::_platform_thread_key; |
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#endif |
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Boolean Thread::_key_initialized = false; |
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Boolean Thread::_key_error = false; |
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void Thread::cleanup_push( void (*routine)(void *), void *parm) |
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{ |
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AutoPtr<cleanup_handler> cu(new cleanup_handler(routine, parm)); |
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_cleanup.insert_first(cu.get()); |
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cu.release(); |
return; | return; |
} | } |
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void Thread::cleanup_pop(Boolean execute = true) throw(IPCException) |
void Thread::cleanup_pop(Boolean execute) |
{ | { |
cleanup_handler *cu ; |
AutoPtr<cleanup_handler> cu; |
try | try |
{ | { |
cu = _cleanup.remove_first() ; |
cu.reset(_cleanup.remove_first()); |
} | } |
catch(IPCException& e) |
catch(IPCException&) |
{ | { |
assert(0); |
PEGASUS_ASSERT(0); |
} | } |
if(execute == true) | if(execute == true) |
cu->execute(); | cu->execute(); |
delete cu; |
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} | } |
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#endif |
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//thread_data *Thread::put_tsd(const Sint8 *key, void (*delete_func)(void *), Uint32 size, void *value) |
//thread_data *Thread::put_tsd(Sint8 *key, void (*delete_func)(void *), Uint32 size, void *value) throw(IPCException) |
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#ifndef PEGASUS_THREAD_EXIT_NATIVE | #ifndef PEGASUS_THREAD_EXIT_NATIVE |
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{ | { |
cleanup_pop(true); | cleanup_pop(true); |
} | } |
catch(IPCException& e) |
catch(IPCException&) |
{ | { |
PEGASUS_ASSERT(0); | PEGASUS_ASSERT(0); |
break; | break; |
} | } |
} | } |
_exit_code = exit_code; | _exit_code = exit_code; |
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exit_thread(exit_code); |
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_handle.thid = 0; |
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} |
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#endif |
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// l10n start |
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Sint8 Thread::initializeKey() |
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{ |
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PEG_METHOD_ENTER(TRC_THREAD, "Thread::initializeKey"); |
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if (!Thread::_key_initialized) |
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{ |
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if (Thread::_key_error) |
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{ |
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Tracer::trace(TRC_THREAD, Tracer::LEVEL4, |
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"Thread: ERROR - thread key error"); |
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return -1; |
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} |
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if (pegasus_key_create(&Thread::_platform_thread_key) == 0) |
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{ |
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Tracer::trace(TRC_THREAD, Tracer::LEVEL4, |
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"Thread: able to create a thread key"); |
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Thread::_key_initialized = true; |
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} |
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else |
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{ |
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Tracer::trace(TRC_THREAD, Tracer::LEVEL4, |
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"Thread: ERROR - unable to create a thread key"); |
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Thread::_key_error = true; |
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return -1; |
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} |
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} |
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PEG_METHOD_EXIT(); |
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return 0; |
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} |
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Thread * Thread::getCurrent() |
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{ |
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PEG_METHOD_ENTER(TRC_THREAD, "Thread::getCurrent"); |
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if (Thread::initializeKey() != 0) |
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{ |
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return NULL; |
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} |
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PEG_METHOD_EXIT(); |
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return (Thread *)pegasus_get_thread_specific(_platform_thread_key); |
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} |
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void Thread::setCurrent(Thread * thrd) |
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{ |
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PEG_METHOD_ENTER(TRC_THREAD, "Thread::setCurrent"); |
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if (Thread::initializeKey() == 0) |
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{ |
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if (pegasus_set_thread_specific( |
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Thread::_platform_thread_key, (void *) thrd) == 0) |
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{ |
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Tracer::trace(TRC_THREAD, Tracer::LEVEL4, |
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"Successful set Thread * into thread specific storage"); |
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} |
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else |
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{ |
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Tracer::trace(TRC_THREAD, Tracer::LEVEL4, |
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"ERROR: error setting Thread * into thread specific storage"); |
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} |
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} |
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PEG_METHOD_EXIT(); |
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} |
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AcceptLanguageList * Thread::getLanguages() |
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{ |
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PEG_METHOD_ENTER(TRC_THREAD, "Thread::getLanguages"); |
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Thread * curThrd = Thread::getCurrent(); |
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if (curThrd == NULL) |
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return NULL; |
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AcceptLanguageList * acceptLangs = |
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(AcceptLanguageList *)curThrd->reference_tsd("acceptLanguages"); |
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curThrd->dereference_tsd(); |
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PEG_METHOD_EXIT(); |
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return acceptLangs; |
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} |
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void Thread::setLanguages(AcceptLanguageList *langs) //l10n |
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{ |
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PEG_METHOD_ENTER(TRC_THREAD, "Thread::setLanguages"); |
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Thread* currentThrd = Thread::getCurrent(); |
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if (currentThrd != NULL) |
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{ |
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// deletes the old tsd and creates a new one |
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currentThrd->put_tsd("acceptLanguages", |
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language_delete, |
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sizeof(AcceptLanguageList *), |
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langs); |
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} |
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PEG_METHOD_EXIT(); |
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} |
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void Thread::clearLanguages() //l10n |
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{ |
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PEG_METHOD_ENTER(TRC_THREAD, "Thread::clearLanguages"); |
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Thread * currentThrd = Thread::getCurrent(); |
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if (currentThrd != NULL) |
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{ |
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// deletes the old tsd |
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currentThrd->delete_tsd("acceptLanguages"); |
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} |
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PEG_METHOD_EXIT(); |
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} |
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// l10n end |
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/////////////////////////////////////////////////////////////////////////////// |
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// |
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// ThreadPool |
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// |
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/////////////////////////////////////////////////////////////////////////////// |
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ThreadPool::ThreadPool( |
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Sint16 initialSize, |
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const char* key, |
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Sint16 minThreads, |
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Sint16 maxThreads, |
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struct timeval& deallocateWait) |
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: _maxThreads(maxThreads), |
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_minThreads(minThreads), |
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_currentThreads(0), |
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_idleThreads(true), |
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_runningThreads(true), |
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_dying(0) |
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{ |
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_deallocateWait.tv_sec = deallocateWait.tv_sec; |
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_deallocateWait.tv_usec = deallocateWait.tv_usec; |
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memset(_key, 0x00, 17); |
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if (key != 0) |
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{ |
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strncpy(_key, key, 16); |
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} |
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if ((_maxThreads > 0) && (_maxThreads < initialSize)) |
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{ |
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_maxThreads = initialSize; |
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} |
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if (_minThreads > initialSize) |
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{ |
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_minThreads = initialSize; |
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} |
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for (int i = 0; i < initialSize; i++) |
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{ |
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_addToIdleThreadsQueue(_initializeThread()); |
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} |
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} |
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ThreadPool::~ThreadPool() |
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{ |
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PEG_METHOD_ENTER(TRC_THREAD, "ThreadPool::~ThreadPool"); |
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try |
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{ |
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// Set the dying flag so all thread know the destructor has been entered |
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_dying++; |
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Tracer::trace(TRC_THREAD, Tracer::LEVEL2, |
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"Cleaning up %d idle threads. ", _currentThreads.get()); |
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while (_currentThreads.get() > 0) |
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{ |
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Thread* thread = _idleThreads.remove_first(); |
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if (thread != 0) |
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{ |
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_cleanupThread(thread); |
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_currentThreads--; |
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} |
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else |
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{ |
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pegasus_yield(); |
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} |
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} |
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} |
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catch (...) |
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{ |
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} |
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} |
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PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL ThreadPool::_loop(void* parm) |
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{ |
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PEG_METHOD_ENTER(TRC_THREAD, "ThreadPool::_loop"); |
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try |
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{ |
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Thread* myself = (Thread *)parm; |
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PEGASUS_ASSERT(myself != 0); |
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// Set myself into thread specific storage |
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// This will allow code to get its own Thread |
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Thread::setCurrent(myself); |
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ThreadPool* pool = (ThreadPool *)myself->get_parm(); |
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PEGASUS_ASSERT(pool != 0); |
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Semaphore* sleep_sem = 0; |
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struct timeval* lastActivityTime = 0; |
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try |
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{ |
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sleep_sem = (Semaphore *)myself->reference_tsd("sleep sem"); |
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myself->dereference_tsd(); |
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PEGASUS_ASSERT(sleep_sem != 0); |
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lastActivityTime = |
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(struct timeval *)myself->reference_tsd("last activity time"); |
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myself->dereference_tsd(); |
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PEGASUS_ASSERT(lastActivityTime != 0); |
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} |
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catch (...) |
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{ |
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Tracer::trace(TRC_DISCARDED_DATA, Tracer::LEVEL2, |
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"ThreadPool::_loop: Failure getting sleep_sem or " |
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"lastActivityTime."); |
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PEGASUS_ASSERT(false); |
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pool->_idleThreads.remove(myself); |
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pool->_currentThreads--; |
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PEG_METHOD_EXIT(); |
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return((PEGASUS_THREAD_RETURN)1); |
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} |
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while (1) |
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{ |
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try |
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{ |
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sleep_sem->wait(); |
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} |
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catch (...) |
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{ |
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Tracer::trace(TRC_DISCARDED_DATA, Tracer::LEVEL2, |
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"ThreadPool::_loop: failure on sleep_sem->wait()."); |
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PEGASUS_ASSERT(false); |
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pool->_idleThreads.remove(myself); |
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pool->_currentThreads--; |
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PEG_METHOD_EXIT(); |
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return((PEGASUS_THREAD_RETURN)1); |
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} |
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// When we awaken we reside on the _runningThreads queue, not the |
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// _idleThreads queue. |
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PEGASUS_THREAD_RETURN (PEGASUS_THREAD_CDECL* work)(void *) = 0; |
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void* parm = 0; |
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Semaphore* blocking_sem = 0; |
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try |
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{ |
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work = (PEGASUS_THREAD_RETURN (PEGASUS_THREAD_CDECL *)(void *)) |
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myself->reference_tsd("work func"); |
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myself->dereference_tsd(); |
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parm = myself->reference_tsd("work parm"); |
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myself->dereference_tsd(); |
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blocking_sem = (Semaphore *)myself->reference_tsd("blocking sem"); |
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myself->dereference_tsd(); |
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} |
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catch (...) |
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{ |
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Tracer::trace(TRC_DISCARDED_DATA, Tracer::LEVEL2, |
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"ThreadPool::_loop: Failure accessing work func, work parm, " |
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"or blocking sem."); |
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PEGASUS_ASSERT(false); |
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pool->_idleThreads.remove(myself); |
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pool->_currentThreads--; |
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PEG_METHOD_EXIT(); |
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return((PEGASUS_THREAD_RETURN)1); |
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} |
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if (work == 0) |
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{ |
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Tracer::trace(TRC_THREAD, Tracer::LEVEL4, |
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"ThreadPool::_loop: work func is 0, meaning we should exit."); |
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break; |
} | } |
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gettimeofday(lastActivityTime, NULL); |
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try |
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{ |
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PEG_TRACE_STRING(TRC_THREAD, Tracer::LEVEL4, "Work starting."); |
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work(parm); |
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PEG_TRACE_STRING(TRC_THREAD, Tracer::LEVEL4, "Work finished."); |
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} |
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catch (Exception & e) |
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{ |
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PEG_TRACE_STRING(TRC_DISCARDED_DATA, Tracer::LEVEL2, |
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String("Exception from work in ThreadPool::_loop: ") + |
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e.getMessage()); |
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} |
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#if !defined(PEGASUS_OS_LSB) |
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catch (const exception& e) |
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{ |
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PEG_TRACE_STRING(TRC_DISCARDED_DATA, Tracer::LEVEL2, |
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String("Exception from work in ThreadPool::_loop: ") + |
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e.what()); |
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} |
#endif | #endif |
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catch (...) |
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{ |
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PEG_TRACE_STRING(TRC_DISCARDED_DATA, Tracer::LEVEL2, |
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"Unknown exception from work in ThreadPool::_loop."); |
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} |
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// put myself back onto the available list |
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try |
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{ |
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gettimeofday(lastActivityTime, NULL); |
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if (blocking_sem != 0) |
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{ |
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blocking_sem->signal(); |
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} |
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Boolean removed = pool->_runningThreads.remove((void *)myself); |
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PEGASUS_ASSERT(removed); |
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pool->_idleThreads.insert_first(myself); |
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} |
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catch (...) |
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{ |
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Tracer::trace(TRC_DISCARDED_DATA, Tracer::LEVEL2, |
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"ThreadPool::_loop: Adding thread to idle pool failed."); |
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PEGASUS_ASSERT(false); |
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pool->_currentThreads--; |
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PEG_METHOD_EXIT(); |
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return((PEGASUS_THREAD_RETURN)1); |
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} |
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} |
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} |
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catch (const Exception& e) |
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{ |
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PEG_TRACE_STRING(TRC_DISCARDED_DATA, Tracer::LEVEL2, |
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"Caught exception: \"" + e.getMessage() + "\". Exiting _loop."); |
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} |
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catch (...) |
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{ |
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PEG_TRACE_STRING(TRC_DISCARDED_DATA, Tracer::LEVEL2, |
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"Caught unrecognized exception. Exiting _loop."); |
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} |
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PEG_METHOD_EXIT(); |
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return((PEGASUS_THREAD_RETURN)0); |
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} |
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ThreadStatus ThreadPool::allocate_and_awaken( |
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void* parm, |
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PEGASUS_THREAD_RETURN (PEGASUS_THREAD_CDECL* work)(void *), |
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Semaphore* blocking) |
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{ |
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PEG_METHOD_ENTER(TRC_THREAD, "ThreadPool::allocate_and_awaken"); |
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// Allocate_and_awaken will not run if the _dying flag is set. |
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// Once the lock is acquired, ~ThreadPool will not change |
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// the value of _dying until the lock is released. |
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try |
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{ |
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if (_dying.get()) |
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{ |
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Tracer::trace(TRC_DISCARDED_DATA, Tracer::LEVEL2, |
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"ThreadPool::allocate_and_awaken: ThreadPool is dying(1)."); |
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return PEGASUS_THREAD_UNAVAILABLE; |
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} |
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struct timeval start; |
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gettimeofday(&start, NULL); |
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Thread* th = 0; |
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th = _idleThreads.remove_first(); |
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|
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if (th == 0) |
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{ |
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if ((_maxThreads == 0) || |
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(_currentThreads.get() < Uint32(_maxThreads))) |
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{ |
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th = _initializeThread(); |
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} |
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} |
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if (th == 0) |
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{ |
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// ATTN-DME-P3-20031103: This trace message should not be |
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// be labeled TRC_DISCARDED_DATA, because it does not |
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// necessarily imply that a failure has occurred. However, |
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// this label is being used temporarily to help isolate |
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// the cause of client timeout problems. |
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Tracer::trace(TRC_DISCARDED_DATA, Tracer::LEVEL2, |
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"ThreadPool::allocate_and_awaken: Insufficient resources: " |
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" pool = %s, running threads = %d, idle threads = %d", |
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_key, _runningThreads.count(), _idleThreads.count()); |
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return PEGASUS_THREAD_INSUFFICIENT_RESOURCES; |
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} |
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// initialize the thread data with the work function and parameters |
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Tracer::trace(TRC_THREAD, Tracer::LEVEL4, |
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"Initializing thread with work function and parameters: parm = %p", |
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parm); |
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th->delete_tsd("work func"); |
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th->put_tsd("work func", NULL, |
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sizeof( PEGASUS_THREAD_RETURN (PEGASUS_THREAD_CDECL *)(void *)), |
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(void *)work); |
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th->delete_tsd("work parm"); |
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th->put_tsd("work parm", NULL, sizeof(void *), parm); |
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th->delete_tsd("blocking sem"); |
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if (blocking != 0) |
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th->put_tsd("blocking sem", NULL, sizeof(Semaphore *), blocking); |
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|
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// put the thread on the running list |
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_runningThreads.insert_first(th); |
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|
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// signal the thread's sleep semaphore to awaken it |
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Semaphore* sleep_sem = (Semaphore *)th->reference_tsd("sleep sem"); |
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PEGASUS_ASSERT(sleep_sem != 0); |
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Tracer::trace(TRC_THREAD, Tracer::LEVEL4, "Signal thread to awaken"); |
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sleep_sem->signal(); |
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th->dereference_tsd(); |
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} |
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catch (...) |
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{ |
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Tracer::trace(TRC_DISCARDED_DATA, Tracer::LEVEL2, |
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"ThreadPool::allocate_and_awaken: Operation Failed."); |
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PEG_METHOD_EXIT(); |
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// ATTN: Error result has not yet been defined |
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return PEGASUS_THREAD_SETUP_FAILURE; |
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} |
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PEG_METHOD_EXIT(); |
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return PEGASUS_THREAD_OK; |
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} |
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|
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// caller is responsible for only calling this routine during slack periods |
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// but should call it at least once per _deallocateWait interval. |
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|
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Uint32 ThreadPool::cleanupIdleThreads() |
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{ |
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PEG_METHOD_ENTER(TRC_THREAD, "ThreadPool::cleanupIdleThreads"); |
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|
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Uint32 numThreadsCleanedUp = 0; |
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|
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Uint32 numIdleThreads = _idleThreads.count(); |
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for (Uint32 i = 0; i < numIdleThreads; i++) |
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{ |
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// Do not dip below the minimum thread count |
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if (_currentThreads.get() <= (Uint32)_minThreads) |
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{ |
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break; |
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} |
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|
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Thread* thread = _idleThreads.remove_last(); |
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|
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// If there are no more threads in the _idleThreads queue, we're done. |
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if (thread == 0) |
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{ |
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break; |
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} |
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|
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struct timeval* lastActivityTime; |
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try |
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{ |
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lastActivityTime = (struct timeval *)thread->try_reference_tsd( |
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"last activity time"); |
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PEGASUS_ASSERT(lastActivityTime != 0); |
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} |
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catch (...) |
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{ |
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PEGASUS_ASSERT(false); |
|
_idleThreads.insert_last(thread); |
|
break; |
|
} |
|
|
|
Boolean cleanupThisThread = |
|
_timeIntervalExpired(lastActivityTime, &_deallocateWait); |
|
thread->dereference_tsd(); |
|
|
|
if (cleanupThisThread) |
|
{ |
|
_cleanupThread(thread); |
|
_currentThreads--; |
|
numThreadsCleanedUp++; |
|
} |
|
else |
|
{ |
|
_idleThreads.insert_first(thread); |
|
} |
|
} |
|
|
|
PEG_METHOD_EXIT(); |
|
return numThreadsCleanedUp; |
|
} |
|
|
|
void ThreadPool::_cleanupThread(Thread* thread) |
|
{ |
|
PEG_METHOD_ENTER(TRC_THREAD, "ThreadPool::cleanupThread"); |
|
|
|
// Set the "work func" and "work parm" to 0 so _loop() knows to exit. |
|
thread->delete_tsd("work func"); |
|
thread->put_tsd( |
|
"work func", 0, |
|
sizeof(PEGASUS_THREAD_RETURN (PEGASUS_THREAD_CDECL *)(void *)), |
|
(void *) 0); |
|
thread->delete_tsd("work parm"); |
|
thread->put_tsd("work parm", 0, sizeof(void *), 0); |
|
|
|
// signal the thread's sleep semaphore to awaken it |
|
Semaphore* sleep_sem = (Semaphore *)thread->reference_tsd("sleep sem"); |
|
PEGASUS_ASSERT(sleep_sem != 0); |
|
sleep_sem->signal(); |
|
thread->dereference_tsd(); |
|
|
|
thread->join(); |
|
delete thread; |
|
|
|
PEG_METHOD_EXIT(); |
|
} |
|
|
|
Boolean ThreadPool::_timeIntervalExpired( |
|
struct timeval* start, |
|
struct timeval* interval) |
|
{ |
|
// never time out if the interval is zero |
|
if (interval && (interval->tv_sec == 0) && (interval->tv_usec == 0)) |
|
{ |
|
return false; |
|
} |
|
|
|
struct timeval now, finish, remaining; |
|
Uint32 usec; |
|
pegasus_gettimeofday(&now); |
|
pegasus_gettimeofday(&remaining); // Avoid valgrind error |
|
|
|
finish.tv_sec = start->tv_sec + interval->tv_sec; |
|
usec = start->tv_usec + interval->tv_usec; |
|
finish.tv_sec += (usec / 1000000); |
|
usec %= 1000000; |
|
finish.tv_usec = usec; |
|
|
|
return (timeval_subtract(&remaining, &finish, &now) != 0); |
|
} |
|
|
|
void ThreadPool::_deleteSemaphore(void *p) |
|
{ |
|
delete (Semaphore *)p; |
|
} |
|
|
|
Thread* ThreadPool::_initializeThread() |
|
{ |
|
PEG_METHOD_ENTER(TRC_THREAD, "ThreadPool::_initializeThread"); |
|
|
|
Thread* th = (Thread *) new Thread(_loop, this, false); |
|
|
|
// allocate a sleep semaphore and pass it in the thread context |
|
// initial count is zero, loop function will sleep until |
|
// we signal the semaphore |
|
Semaphore* sleep_sem = (Semaphore *) new Semaphore(0); |
|
th->put_tsd( |
|
"sleep sem", &_deleteSemaphore, sizeof(Semaphore), (void *)sleep_sem); |
|
|
|
struct timeval* lastActivityTime = |
|
(struct timeval *) ::operator new(sizeof(struct timeval)); |
|
pegasus_gettimeofday(lastActivityTime); |
|
|
|
th->put_tsd("last activity time", thread_data::default_delete, |
|
sizeof(struct timeval), (void *)lastActivityTime); |
|
// thread will enter _loop() and sleep on sleep_sem until we signal it |
|
|
|
if (th->run() != PEGASUS_THREAD_OK) |
|
{ |
|
Tracer::trace(TRC_THREAD, Tracer::LEVEL2, |
|
"Could not create thread. Error code is %d.", errno); |
|
delete th; |
|
return 0; |
|
} |
|
_currentThreads++; |
|
pegasus_yield(); |
|
|
|
PEG_METHOD_EXIT(); |
|
return th; |
|
} |
|
|
|
void ThreadPool::_addToIdleThreadsQueue(Thread* th) |
|
{ |
|
if (th == 0) |
|
{ |
|
Tracer::trace(TRC_DISCARDED_DATA, Tracer::LEVEL2, |
|
"ThreadPool::_addToIdleThreadsQueue: Thread pointer is null."); |
|
throw NullPointer(); |
|
} |
|
|
|
try |
|
{ |
|
_idleThreads.insert_first(th); |
|
} |
|
catch (...) |
|
{ |
|
Tracer::trace(TRC_DISCARDED_DATA, Tracer::LEVEL2, |
|
"ThreadPool::_addToIdleThreadsQueue: _idleThreads.insert_first " |
|
"failed."); |
|
} |
|
} |
| |
PEGASUS_NAMESPACE_END | PEGASUS_NAMESPACE_END |