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3106 changed files with 11118 additions and 627576 deletions
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// $Id: Thread_Exit.cpp 92580 2010-11-15 09:48:02Z johnnyw $
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#include "ace/Thread_Exit.h"
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#include "ace/Managed_Object.h"
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#include "ace/Thread_Manager.h"
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#include "ace/Guard_T.h"
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ACE_BEGIN_VERSIONED_NAMESPACE_DECL
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bool ACE_Thread_Exit::is_constructed_ = false;
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void
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ACE_Thread_Exit::cleanup (void *instance)
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{
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ACE_OS_TRACE ("ACE_Thread_Exit::cleanup");
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delete (ACE_TSS_TYPE (ACE_Thread_Exit) *) instance;
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// Set the thr_exit_ static to null to keep things from crashing if
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// ACE::fini() is enabled here.
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ACE_Thread_Manager::thr_exit_ = 0;
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ACE_Thread_Exit::is_constructed_ = false;
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// All TSS objects have been destroyed. Reset this flag so
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// ACE_Thread_Exit singleton can be created again.
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}
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// NOTE: this preprocessor directive should match the one in
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// ACE_Task_Base::svc_run () below. This prevents the two statics
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// from being defined.
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ACE_Thread_Exit *
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ACE_Thread_Exit::instance (void)
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{
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#if defined (ACE_HAS_THREAD_SPECIFIC_STORAGE) || defined (ACE_HAS_TSS_EMULATION)
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ACE_OS_TRACE ("ACE_Thread_Exit::instance");
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// Determines if we were dynamically allocated.
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static ACE_TSS_TYPE (ACE_Thread_Exit) * volatile instance_;
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// Implement the Double Check pattern.
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if (!ACE_Thread_Exit::is_constructed_)
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{
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ACE_MT (ACE_Thread_Mutex *lock =
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ACE_Managed_Object<ACE_Thread_Mutex>::get_preallocated_object
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(ACE_Object_Manager::ACE_THREAD_EXIT_LOCK);
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ACE_GUARD_RETURN (ACE_Thread_Mutex, ace_mon, *lock, 0));
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if (!ACE_Thread_Exit::is_constructed_)
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{
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ACE_NEW_RETURN (instance_,
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ACE_TSS_TYPE (ACE_Thread_Exit),
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0);
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ACE_Thread_Exit::is_constructed_ = true;
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ACE_Thread_Manager::set_thr_exit (instance_);
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}
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}
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return ACE_TSS_GET (instance_, ACE_Thread_Exit);
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#else
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return 0;
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#endif /* ACE_HAS_THREAD_SPECIFIC_STORAGE || ACE_HAS_TSS_EMULATION */
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}
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// Grab hold of the Task * so that we can close() it in the
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// destructor.
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ACE_Thread_Exit::ACE_Thread_Exit (void)
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{
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ACE_OS_TRACE ("ACE_Thread_Exit::ACE_Thread_Exit");
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}
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// Set the this pointer...
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void
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ACE_Thread_Exit::thr_mgr (ACE_Thread_Manager *tm)
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{
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ACE_OS_TRACE ("ACE_Thread_Exit::thr_mgr");
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if (tm != 0)
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this->thread_control_.insert (tm, 0);
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}
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// When this object is destroyed the Task is automatically closed
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// down!
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ACE_Thread_Exit::~ACE_Thread_Exit (void)
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{
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ACE_OS_TRACE ("ACE_Thread_Exit::~ACE_Thread_Exit");
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}
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ACE_Thread_Exit_Maybe::ACE_Thread_Exit_Maybe (int flag)
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: instance_ (0)
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{
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if (flag)
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{
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ACE_NEW (instance_, ACE_Thread_Exit);
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}
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}
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ACE_Thread_Exit_Maybe::~ACE_Thread_Exit_Maybe (void)
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{
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delete this->instance_;
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}
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ACE_Thread_Exit *
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ACE_Thread_Exit_Maybe::operator -> (void) const
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{
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return this->instance_;
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}
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ACE_Thread_Exit *
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ACE_Thread_Exit_Maybe::instance (void) const
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{
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return this->instance_;
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}
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ACE_END_VERSIONED_NAMESPACE_DECL
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