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version 1.17, 2002/05/29 21:37:54

version 1.69, 2009/08/13 13:13:07

Line 1

//%///////////-*-c++-*-//////////////////////////////////////////////////////

//%LICENSE////////////////////////////////////////////////////////////////

// Licensed to The Open Group (TOG) under one or more contributor license

// agreements. Refer to the OpenPegasusNOTICE.txt file distributed with

// this work for additional information regarding copyright ownership.

// Each contributor licenses this file to you under the OpenPegasus Open

// Source License; you may not use this file except in compliance with the

// License.

// 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

// of this software and associated documentation files (the "Software"), to

// copy of this software and associated documentation files (the "Software"),

// deal in the Software without restriction, including without limitation the

// to deal in the Software without restriction, including without limitation

// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or

// the rights to use, copy, modify, merge, publish, distribute, sublicense,

// sell copies of the Software, and to permit persons to whom the Software is

// and/or sell copies of the Software, and to permit persons to whom the

// furnished to do so, subject to the following conditions:

// Software is furnished to do so, subject to the following conditions:

// THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN

// ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED

// "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT

// LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR

// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT

// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN

// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION

// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

//==============================================================================

// The above copyright notice and this permission notice shall be included

// in all copies or substantial portions of the Software.

// Author: Mike Day (mdday@us.ibm.com)

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.

// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY

// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,

// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE

// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

// Modified By: Markus Mueller

//////////////////////////////////////////////////////////////////////////

//%/////////////////////////////////////////////////////////////////////////////

#ifndef Pegasus_Thread_h

#define Pegasus_Thread_h

#include <cstring>

#include <Pegasus/Common/Config.h>

#include <Pegasus/Common/IPC.h>

#include <Pegasus/Common/AtomicInt.h>

#include <Pegasus/Common/Exception.h>

#include <Pegasus/Common/InternalException.h>

#include <Pegasus/Common/DQueue.h>

#include <Pegasus/Common/AcceptLanguageList.h>

#include <Pegasus/Common/Linkage.h>

#include <Pegasus/Common/AutoPtr.h>

#include <Pegasus/Common/List.h>

#include <Pegasus/Common/Mutex.h>

#include <Pegasus/Common/Semaphore.h>

#include <Pegasus/Common/TSDKey.h>

#include <Pegasus/Common/Threads.h>

#if defined(PEGASUS_HAVE_PTHREADS)

# include <signal.h>

#endif

PEGASUS_NAMESPACE_BEGIN

class PEGASUS_COMMON_LINKAGE cleanup_handler

class PEGASUS_COMMON_LINKAGE cleanup_handler : public Linkable

{

public:

cleanup_handler( void (*routine)(void *), void *arg ) : _routine(routine), _arg(arg) {}

cleanup_handler(void (*routine) (void *), void *arg):_routine(routine),

~cleanup_handler() {; }

_arg(arg)

inline Boolean operator==(const void *key) const

{

if(key == (void *)_routine)

return true;

return false;

}

inline Boolean operator ==(const cleanup_handler & b) const

~cleanup_handler()

{

{;

return(operator==((const void *)b._routine));

}

private:

void execute(void) { _routine(_arg); }

void execute()

{

_routine(_arg);

}

cleanup_handler();

void (*_routine)(void *);

void (*_routine)(void*);

void *_arg;

PEGASUS_CLEANUP_HANDLE _cleanup_buffer;

friend class DQueue<class cleanup_handler>;

friend class Thread;

};

///////////////////////////////////////////////////////////////////////////////

enum TSD_Key

class PEGASUS_COMMON_LINKAGE thread_data

{

TSD_ACCEPT_LANGUAGES,

TSD_SLEEP_SEM,

TSD_LAST_ACTIVITY_TIME,

TSD_WORK_FUNC,

TSD_WORK_PARM,

TSD_BLOCKING_SEM,

TSD_CIMOM_HANDLE_CONTENT_LANGUAGES,

TSD_RESERVED_1,

TSD_RESERVED_2,

TSD_RESERVED_3,

TSD_RESERVED_4,

TSD_RESERVED_5,

TSD_RESERVED_6,

TSD_RESERVED_7,

TSD_RESERVED_8,

// Add new TSD keys before this line.

TSD_COUNT

};

class thread_data

{

/**

* This class is NOT build thread-safe.

* The Caller(user) of this class has to ensure there is no collision

* taking place.

* There is no mechanism in place to protect threads from manipulating

* the same thread-specific storage at one time.

* Make sure the possibility for a parallel access to the same

* threads-specific data from multiple threads cannot arise.

* In OpenPegasus this class is used in the ThreadPool

* - on initialisation and creation of threads owned by ThreadPool

* - on threads that are idle inside the ThreadPool

* - on the ThreadPools main thread (the thread which the ThreadPool

* runs in)

* In OpenPegasus this class is used in the

* ClientCIMOMHandleRep and InternalCIMOMHandleRep

* - on the current active Thread which belongs to that CIMOMHandle

public:

static void default_delete(void *data);

thread_data( const Sint8 *key ) : _delete_func(NULL) , _data(NULL), _size(0)

static void default_delete(void *data)

{

PEGASUS_ASSERT(key != NULL);

if (data)

size_t keysize = strlen(key);

::operator delete(data);

_key = new Sint8 [keysize + 1];

}

memcpy(_key, key, keysize);

_key[keysize] = 0x00;

thread_data(TSD_Key key) : _delete_func(0), _data(0), _size(0), _key(key)

{

}

thread_data(const Sint8 *key, size_t size) : _delete_func(default_delete), _size(size)

thread_data(TSD_Key key, size_t size) :

_delete_func(default_delete), _size(size), _key(key)

{

PEGASUS_ASSERT(key != NULL);

size_t keysize = strlen(key);

_key = new Sint8 [keysize + 1];

memcpy(_key, key, keysize);

_key[keysize] = 0x00;

_data = ::operator new(_size) ;

}

thread_data(const Sint8 *key, size_t size, void *data) : _delete_func(default_delete), _size(size)

thread_data(TSD_Key key, size_t size, void* data)

: _delete_func(default_delete), _size(size), _key(key)

{

PEGASUS_ASSERT(key != NULL);

PEGASUS_ASSERT(data != NULL);

size_t keysize = strlen(key);

_key = new Sint8[keysize + 1];

memcpy(_key, key, keysize);

_key[keysize] = 0x00;

_data = ::operator new(_size);

memcpy(_data, data, size);

}

~thread_data()

{

if( _data != NULL)

if (_data && _delete_func)

if(_delete_func != NULL)

(*_delete_func)(_data);

{

_delete_func( _data );

}

if( _key != NULL )

delete [] _key;

}

void put_data(void (*del)(void *), size_t size, void *data ) throw(NullPointer)

/**

* This function is used to put data in thread space.

* Be aware that there is NOTHING in place to stop

* other users of the thread to remove this data.

* Or change the data.

* You, the developer has to make sure that there are

* no situations in which this can arise (ie, have a

* lock for the function which manipulates the TSD.

* @exception NullPointer

void put_data(void (*del)(void *), size_t size, void* data)

{

if(_data != NULL)

if (_data && _delete_func)

if(_delete_func != NULL)

(*_delete_func)(_data);

_delete_func(_data);

_delete_func = del;

_data = data;

_size = size;

return ;

}

size_t get_size(void) { return _size; }

size_t get_size()

{

return _size;

}

void* get_data()

{

return _data;

}

/**

This function is used to retrieve data from the

TSD, the thread specific data.

Be aware that there is NOTHING in place to stop

other users of the thread to change the data you

get from this function.

You, the developer has to make sure that there are

no situations in which this can arise (ie, have a

lock for the function which manipulates the TSD.

void get_data(void **data, size_t *size)

{

if(data == NULL || size == NULL)

if (data == 0 || size == 0)

throw NullPointer();

*data = _data;

*size = _size;

return;

}

void copy_data(void **buf, size_t *size) throw(NullPointer)

// @exception NullPointer

void copy_data(void** buf, size_t* size)

{

if((buf == NULL) || (size == NULL))

if ((buf == 0) || (size == 0))

throw NullPointer() ;

*buf = ::operator new(_size);

*size = _size;

memcpy(*buf, _data, _size);

return;

}

inline Boolean operator==(const void *key) const

{

if ( ! strcmp(_key, (Sint8 *)key))

return(true);

return(false);

}

inline Boolean operator==(const thread_data& b) const

{

return(operator==((const void *)b._key));

}

private:

void (*_delete_func) (void *data) ;

thread_data();

thread_data(const thread_data& x);

thread_data& operator=(const thread_data& x);

void (*_delete_func)(void*);

void *_data;

size_t _size;

Sint8 *_key;

TSD_Key _key;

friend class DQueue<thread_data>;

friend class Thread;

};

///////////////////////////////////////////////////////////////////////////

enum ThreadStatus

{

PEGASUS_THREAD_OK = 1, /* No problems */

PEGASUS_THREAD_INSUFFICIENT_RESOURCES, /* Can't allocate a thread.

Not enough memory. Try

again later */

PEGASUS_THREAD_SETUP_FAILURE, /* Could not allocate into the thread

specific data storage. */

PEGASUS_THREAD_UNAVAILABLE /* Service is being destroyed and no new

threads can be provided. */

};

class PEGASUS_COMMON_LINKAGE ThreadPool;

///////////////////////////////////////////////////////////////////////////

class PEGASUS_COMMON_LINKAGE Thread

class PEGASUS_COMMON_LINKAGE Thread : public Linkable

{

public:

Thread( PEGASUS_THREAD_RETURN (PEGASUS_THREAD_CDECL *start )(void *),

void *parameter, Boolean detached );

Thread(

ThreadReturnType(PEGASUS_THREAD_CDECL* start) (void*),

void* parameter,

Boolean detached);

~Thread();

void run(void);

/** Start the thread.

@return PEGASUS_THREAD_OK if the thread is started successfully,

PEGASUS_THREAD_INSUFFICIENT_RESOURCES if the resources necessary

to start the thread are not currently available.

PEGASUS_THREAD_SETUP_FAILURE if the thread could not

be create properly - check the 'errno' value for specific operating

system return code.

ThreadStatus run();

// get the user parameter

inline void *get_parm(void) { return _thread_parm; }

void *get_parm()

{

// send the thread a signal -- may not be appropriate due to Windows

return _thread_parm;

// void kill(int signum);

}

// cancellation must be deferred (not asynchronous)

// for user-level threads the thread itself can decide

// when it should die.

void cancel(void);

void cancel();

// cancel if there is a pending cancellation request

void test_cancel(void);

Boolean is_cancelled(void);

// for user-level threads - put the calling thread

// to sleep and jump to the thread scheduler.

Line 215

Line 286

// or gnu portable threads will have an existing

// routine that can be mapped to this method

void thread_switch(void);

void thread_switch();

#if defined(PEGASUS_PLATFORM_LINUX_IX86_GNU) || defined(PEGASUS_PLATFORM_LINUX_GENERIC_GNU)

// suspend this thread

void suspend(void) ;

// resume this thread

void resume(void) ;

#endif

static void sleep(Uint32 msec) ;

// block the calling thread until this thread terminates

void join( void );

void join();

void thread_init(void);

// thread routine needs to call this function when

// it is ready to exit

void exit_self(PEGASUS_THREAD_RETURN return_code) ;

void exit_self(ThreadReturnType return_code);

// stack of functions to be called when thread terminates

// will be called last in first out (LIFO)

void cleanup_push( void (*routine) (void *), void *parm ) throw(IPCException);

void cleanup_push(void (*routine) (void *), void* parm);

void cleanup_pop(Boolean execute = true) throw(IPCException);

// create and initialize a tsd

void cleanup_pop(Boolean execute = true);

inline void create_tsd(const Sint8 *key, int size, void *buffer) throw(IPCException)

{

thread_data *tsd = new thread_data(key, size, buffer);

try { _tsd.insert_first(tsd); }

catch(IPCException& e) { e = e; delete tsd; throw; }

}

// get the buffer associated with the key

// NOTE: this call leaves the tsd LOCKED !!!!

inline void *reference_tsd(const Sint8 *key) throw(IPCException)

void* reference_tsd(TSD_Key key)

{

_tsd.lock();

thread_data *tsd = _tsd.reference((const void *)key);

if(tsd != NULL)

return( (void *)(tsd->_data) );

else

return(NULL);

}

inline void *try_reference_tsd(const Sint8 *key) throw(IPCException)

{

_tsd.try_lock();

if (_tsd[key])

thread_data *tsd = _tsd.reference((const void *)key);

return _tsd[key]->get_data();

if(tsd != NULL)

return((void *)(tsd->_data) );

else

return(NULL);

return 0;

}

// release the lock held on the tsd

// NOTE: assumes a corresponding and prior call to reference_tsd() !!!

inline void dereference_tsd(void) throw(IPCException)

void dereference_tsd()

{

_tsd.unlock();

}

// delete the tsd associated with the key

inline void delete_tsd(const Sint8 *key) throw(IPCException)

void delete_tsd(TSD_Key key)

{

thread_data *tsd = _tsd.remove((const void *)key);

thread_data* tsd;

if(tsd != NULL)

delete tsd;

}

// Note: Caller must delete the thread_data object returned (if not null)

tsd = _tsd[key];

inline void *remove_tsd(const Sint8 *key) throw(IPCException)

_tsd[key] = 0;

{

return(_tsd.remove((const void *)key));

}

inline void empty_tsd(void) throw(IPCException)

if (tsd)

{

thread_data* tsd;

while (0 != (tsd = _tsd.remove_first()))

{

delete tsd;

}

//_tsd.empty_list();

}

// create or re-initialize tsd associated with the key

// if the tsd already exists, delete the existing buffer

void put_tsd(const Sint8 *key, void (*delete_func)(void *), Uint32 size, void *value)

throw(IPCException)

void empty_tsd()

{

PEGASUS_ASSERT(key != NULL);

thread_data* data[TSD_COUNT];

thread_data *tsd ;

tsd = _tsd.remove((const void *)key); // may throw an IPC exception

delete tsd;

thread_data *ntsd = new thread_data(key);

ntsd->put_data(delete_func, size, value);

try { _tsd.insert_first(ntsd); }

catch(IPCException& e) { e = e; delete ntsd; throw; }

}

inline PEGASUS_THREAD_RETURN get_exit(void) { return _exit_code; }

inline PEGASUS_THREAD_TYPE self(void) {return pegasus_thread_self(); }

PEGASUS_THREAD_HANDLE getThreadHandle() {return _handle;}

memcpy(data, _tsd, sizeof(_tsd));

memset(_tsd, 0, sizeof(_tsd));

inline Boolean operator==(const void *key) const

for (size_t i = 0; i < TSD_COUNT; i++)

{

if ( (void *)this == key)

if (data[i])

return(true);

delete data[i];

return(false);

}

inline Boolean operator==(const Thread & b) const

{

return(operator==((const void *)&b ));

}

void detach(void);

// create or re-initialize tsd associated with the key

// if the tsd already exists, delete the existing buffer

private:

void put_tsd(

Thread();

TSD_Key key,

inline void create_tsd(const Sint8 *key ) throw(IPCException)

void (*delete_func)(void*),

Uint32 size,

void* value)

{

thread_data *tsd = new thread_data(key);

try { _tsd.insert_first(tsd); }

tsd->put_data(delete_func, size, value);

catch(IPCException& e) { e = e; delete tsd; throw; }

}

PEGASUS_THREAD_HANDLE _handle;

Boolean _is_detached;

Boolean _cancel_enabled;

Boolean _cancelled;

PEGASUS_SEM_HANDLE _suspend_count;

// always pass this * as the void * parameter to the thread

// store the user parameter in _thread_parm

PEGASUS_THREAD_RETURN ( PEGASUS_THREAD_CDECL *_start)(void *) ;

DQueue<class cleanup_handler> _cleanup;

DQueue<class thread_data> _tsd;

void *_thread_parm;

PEGASUS_THREAD_RETURN _exit_code;

static Boolean _signals_blocked;

friend class ThreadPool;

} ;

class PEGASUS_COMMON_LINKAGE ThreadPool

thread_data* old;

{

public:

ThreadPool(Sint16 initial_size,

const Sint8 *key,

Sint16 min,

Sint16 max,

struct timeval & alloc_wait,

struct timeval & dealloc_wait,

struct timeval & deadlock_detect);

~ThreadPool(void);

void allocate_and_awaken(void *parm,

PEGASUS_THREAD_RETURN (PEGASUS_THREAD_CDECL *work)(void *),

Semaphore *blocking = 0)

throw(IPCException);

Uint32 kill_dead_threads( void )

throw(IPCException);

void get_key(Sint8 *buf, int bufsize);

inline Boolean operator==(const void *key) const

{

if ( ! strncmp( reinterpret_cast<Sint8 *>(const_cast<void *>(key)), _key, 16 ))

return(true);

return(false);

}

inline Boolean operator==(const ThreadPool & b) const

{

return(operator==((const void *) b._key ));

}

inline void set_min_threads(Sint16 min)

old = _tsd[key];

{

_tsd[key] = tsd;

_min_threads = min;

}

inline Sint16 get_min_threads(void) const

if (old)

{

delete old;

return _min_threads;

}

inline void set_max_threads(Sint16 max)

ThreadReturnType get_exit()

{

_max_threads = max;

return _exit_code;

}

inline Sint16 get_max_threads(void) const

ThreadType self()

{

return _max_threads;

return Threads::self();

}

inline void set_allocate_wait(const struct timeval & alloc_wait)

ThreadHandle getThreadHandle()

{

_allocate_wait.tv_sec = alloc_wait.tv_sec;

return _handle;

_allocate_wait.tv_usec = alloc_wait.tv_usec;

}

inline struct timeval *get_allocate_wait(struct timeval *buffer) const

Boolean isDetached()

{

if(buffer == 0)

return _is_detached;

throw NullPointer();

buffer->tv_sec = _allocate_wait.tv_sec;

buffer->tv_usec = _allocate_wait.tv_usec;

return buffer;

}

inline void set_deallocate_wait(const struct timeval & dealloc_wait)

void detach();

{

_deallocate_wait.tv_sec = dealloc_wait.tv_sec;

_deallocate_wait.tv_usec = dealloc_wait.tv_usec;

}

inline struct timeval *get_deallocate_wait(struct timeval *buffer) const

{

// Gets the Thread object associated with the caller's thread.

if(buffer == 0)

// Note: this may return NULL if no Thread object is associated

throw NullPointer();

// with the caller's thread.

buffer->tv_sec = _deallocate_wait.tv_sec;

buffer->tv_usec = _deallocate_wait.tv_usec;

static Thread *getCurrent();

return buffer;

}

inline void set_deadlock_detect(const struct timeval & deadlock)

{

// Sets the Thread object associated with the caller's thread.

_deadlock_detect.tv_sec = deadlock.tv_sec;

// Note: the Thread object must be placed on the heap.

_deadlock_detect.tv_usec = deadlock.tv_usec;

}

static void setCurrent(Thread* thrd);

inline struct timeval * get_deadlock_detect(struct timeval *buffer) const

{

// Gets the AcceptLanguageList object associated with the caller's

if(buffer == 0)

// Thread.

throw NullPointer();

// Note: this may return NULL if no Thread object, or no

buffer->tv_sec = _deadlock_detect.tv_sec;

// AcceptLanguageList object, is associated with the caller's thread.

buffer->tv_usec = _deadlock_detect.tv_usec;

return buffer;

static AcceptLanguageList* getLanguages();

}

inline Uint32 running_count(void)

{

// Sets the AcceptLanguageList object associated with the caller's

return _running.count();

// Thread.

}

// Note: a Thread object must have been previously associated with

// the caller's thread.

static void setLanguages(const AcceptLanguageList& langs);

static Boolean check_time(struct timeval *start, struct timeval *interval);

// Removes the AcceptLanguageList object associated with the caller's

// Thread.

static void clearLanguages();

private:

ThreadPool(void);

Thread();

Sint16 _max_threads;

Sint16 _min_threads;

AtomicInt _current_threads;

struct timeval _allocate_wait;

struct timeval _deallocate_wait;

struct timeval _deadlock_detect;

static PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL _loop(void *);

Sint8 _key[17];

DQueue<Thread> _pool;

DQueue<Thread> _running;

DQueue<Thread> _dead;

AtomicInt _dying;

static void _sleep_sem_del(void *p);

void _check_deadlock(struct timeval *start) throw(Deadlock);

Boolean _check_deadlock_no_throw(struct timeval *start);

Boolean _check_dealloc(struct timeval *start);

Thread *_init_thread(void) throw(IPCException);

void _link_pool(Thread *th) throw(IPCException);

static PEGASUS_THREAD_RETURN _undertaker(void *);

};

inline void ThreadPool::_sleep_sem_del(void *p)

{

if(p != 0)

{

delete (Semaphore *)p;

}

inline void ThreadPool::_check_deadlock(struct timeval *start) throw(Deadlock)

{

if (true == check_time(start, &_deadlock_detect))

throw Deadlock(pegasus_thread_self());

return;

}

inline Boolean ThreadPool::_check_deadlock_no_throw(struct timeval *start)

{

return(check_time(start, &_deadlock_detect));

}

inline Boolean ThreadPool::_check_dealloc(struct timeval *start)

{

return(check_time(start, &_deallocate_wait));

}

inline Thread *ThreadPool::_init_thread(void) throw(IPCException)

{

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", &_sleep_sem_del, sizeof(Semaphore), (void *)sleep_sem);

struct timeval *dldt = (struct timeval *) ::operator new(sizeof(struct timeval));

static Sint8 initializeKey();

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

th->run();

_current_threads++;

pegasus_yield();

return th;

ThreadHandle _handle;

}

Boolean _is_detached;

Boolean _cancelled;

inline void ThreadPool::_link_pool(Thread *th) throw(IPCException)

// always pass this * as the void * parameter to the thread

{

// store the user parameter in _thread_parm

if(th == 0)

throw NullPointer();

_pool.insert_first(th);

}

ThreadReturnType(PEGASUS_THREAD_CDECL* _start) (void *);

List<cleanup_handler, Mutex> _cleanup;

thread_data* _tsd[TSD_COUNT];

#if defined(PEGASUS_OS_TYPE_WINDOWS)

void* _thread_parm;

# include "ThreadWindows_inline.h"

ThreadReturnType _exit_code;

#elif defined(PEGASUS_PLATFORM_ZOS_ZSERIES_IBM)

static Boolean _signals_blocked;

# include "ThreadzOS_inline.h"

static TSDKeyType _platform_thread_key;

#elif defined(PEGASUS_OS_TYPE_UNIX)

static Boolean _key_initialized;

# include "ThreadUnix_inline.h"

static Boolean _key_error;

#endif

};

PEGASUS_NAMESPACE_END

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