version 1.1.2.11, 2001/10/30 22:42:14
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version 1.91, 2006/08/09 21:12:42
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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" |
#include <Pegasus/Common/IPC.h> |
#include <exception> |
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#include <Pegasus/Common/Tracer.h> |
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#include "Time.h" |
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#if defined(PEGASUS_OS_TYPE_WINDOWS) |
PEGASUS_USING_STD; |
# include "ThreadWindows.cpp" |
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#elif defined(PEGASUS_OS_TYPE_UNIX) |
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# include "ThreadUnix.cpp" |
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#else |
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# error "Unsupported platform" |
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#endif |
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PEGASUS_NAMESPACE_BEGIN | PEGASUS_NAMESPACE_BEGIN |
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void thread_data::default_delete(void * data) |
//============================================================================== |
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// |
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// POSIX Threads Implementation: |
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// |
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//============================================================================== |
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#if defined(PEGASUS_HAVE_PTHREADS) |
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struct StartWrapperArg |
{ | { |
if( data != NULL) |
void *(PEGASUS_THREAD_CDECL * start) (void *); |
::operator delete(data); |
void *arg; |
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}; |
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extern "C" void *_start_wrapper(void *arg_) |
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{ |
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StartWrapperArg *arg = (StartWrapperArg *) arg_; |
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void *return_value = (*arg->start) (arg->arg); |
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delete arg; |
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return return_value; |
} | } |
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Boolean Thread::_signals_blocked = false; |
void Thread::cancel() |
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{ |
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_cancelled = true; |
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pthread_cancel(_handle.thid.tt_handle()); |
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} |
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// for non-native implementations |
void Thread::test_cancel() |
#ifndef PEGASUS_THREAD_CLEANUP_NATIVE |
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void Thread::cleanup_push( void (*routine)(void *), void *parm) throw(IPCException) |
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{ | { |
cleanup_handler *cu = new cleanup_handler(routine, parm); |
#if defined(PEGASUS_PLATFORM_ZOS_ZSERIES_IBM) |
try |
pthread_testintr(); |
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#else |
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pthread_testcancel(); |
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#endif |
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} |
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Boolean Thread::is_cancelled(void) |
{ | { |
_cleanup.insert_first(cu); |
return _cancelled; |
} | } |
catch(IPCException& e) |
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void Thread::thread_switch() |
{ | { |
delete cu; |
#if defined(PEGASUS_PLATFORM_ZOS_ZSERIES_IBM) |
throw; |
pthread_yield(NULL); |
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#else |
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sched_yield(); |
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#endif |
} | } |
return; |
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/* |
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ATTN: why are these missing on other platforms? |
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*/ |
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#if defined(PEGASUS_PLATFORM_LINUX_GENERIC_GNU) |
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void Thread::suspend() |
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{ |
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pthread_kill(_handle.thid.tt_handle(), SIGSTOP); |
} | } |
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void Thread::cleanup_pop(Boolean execute) throw(IPCException) |
void Thread::resume() |
{ | { |
cleanup_handler *cu ; |
pthread_kill(_handle.thid.tt_handle(), SIGCONT); |
try |
} |
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#endif |
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void Thread::sleep(Uint32 msec) |
{ | { |
cu = _cleanup.remove_first() ; |
Threads::sleep(msec); |
} | } |
catch(IPCException& e) |
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void Thread::join(void) |
{ | { |
PEGASUS_ASSERT(0); |
if (!_is_detached && Threads::id(_handle.thid) != 0) |
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pthread_join(_handle.thid.tt_handle(), &_exit_code); |
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Threads::clear(_handle.thid); |
} | } |
if(execute == true) |
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cu->execute(); |
void Thread::thread_init(void) |
delete cu; |
{ |
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#if defined(PEGASUS_PLATFORM_ZOS_ZSERIES_IBM) |
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pthread_setintr(PTHREAD_INTR_ENABLE); |
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pthread_setintrtype(PTHREAD_INTR_ASYNCHRONOUS); |
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#else |
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pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL); |
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pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL); |
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#endif |
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_cancel_enabled = true; |
} | } |
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void Thread::detach(void) |
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{ |
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_is_detached = true; |
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#if defined(PEGASUS_PLATFORM_ZOS_ZSERIES_IBM) |
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pthread_t thread_id=_handle.thid.tt_handle(); |
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pthread_detach(&thread_id); |
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#else |
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pthread_detach(_handle.thid.tt_handle()); |
#endif | #endif |
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} |
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ThreadStatus Thread::run() |
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{ |
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StartWrapperArg *arg = new StartWrapperArg; |
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arg->start = _start; |
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arg->arg = this; |
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//thread_data *Thread::put_tsd(Sint8 *key, void (*delete_func)(void *), Uint32 size, void *value) throw(IPCException) |
Threads::Type type = _is_detached ? Threads::DETACHED : Threads::JOINABLE; |
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int rc = Threads::create(_handle.thid, type, _start_wrapper, arg); |
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// On Linux distributions released prior 2005, the implementation of |
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// Native POSIX Thread Library returns ENOMEM instead of EAGAIN when |
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// there |
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// are no insufficient memory. Hence we are checking for both. See bug |
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// 386. |
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#ifndef PEGASUS_THREAD_EXIT_NATIVE |
if ((rc == EAGAIN) || (rc == ENOMEM)) |
void Thread::exit_self(PEGASUS_THREAD_RETURN exit_code) |
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{ | { |
// execute the cleanup stack and then return |
Threads::clear(_handle.thid); |
while( _cleanup.count() ) |
delete arg; |
{ |
return PEGASUS_THREAD_INSUFFICIENT_RESOURCES; |
try |
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{ |
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cleanup_pop(true); |
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} | } |
catch(IPCException& e) |
else if (rc != 0) |
{ | { |
PEGASUS_ASSERT(0); |
Threads::clear(_handle.thid); |
break; |
delete arg; |
} |
return PEGASUS_THREAD_SETUP_FAILURE; |
} | } |
_exit_code = exit_code; |
return PEGASUS_THREAD_OK; |
exit_thread(exit_code); |
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} | } |
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static sigset_t *block_signal_mask(sigset_t * sig) |
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{ |
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sigemptyset(sig); |
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// should not be used for main() |
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sigaddset(sig, SIGHUP); |
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sigaddset(sig, SIGINT); |
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// maybe useless, since KILL can't be blocked according to POSIX |
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sigaddset(sig, SIGKILL); |
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#endif |
sigaddset(sig, SIGABRT); |
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sigaddset(sig, SIGALRM); |
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sigaddset(sig, SIGPIPE); |
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ThreadPool::ThreadPool(Sint16 initial_size, |
// Note: older versions of the linux pthreads library use SIGUSR1 and SIGUSR2 |
Sint16 max, |
// internally to stop and start threads that are blocking, the newer ones |
Sint16 min, |
// implement this through the kernel's real time signals |
Sint8 *key) |
// since SIGSTOP/CONT can handle suspend()/resume() on Linux |
: _max_threads(max), _min_threads(min), |
// block them |
_current_threads(0), _waiters(initial_size), |
// #if defined(PEGASUS_PLATFORM_LINUX_IX86_GNU) |
_pool_sem(0), _pool(true), _running(true), |
// sigaddset(sig, SIGUSR1); |
_dying(0) |
// sigaddset(sig, SIGUSR2); |
{ |
// #endif |
_allocate_wait.tv_sec = 1; |
#ifndef PEGASUS_PLATFORM_ZOS_ZSERIES_IBM |
_allocate_wait.tv_usec = 0; |
pthread_sigmask(SIG_BLOCK, sig, NULL); |
_deallocate_wait.tv_sec = 30; |
#else |
_deallocate_wait.tv_usec = 0; |
sigprocmask(SIG_BLOCK, sig, NULL); |
_deadlock_detect.tv_sec = 60; |
#endif |
_deadlock_detect.tv_usec = 0; |
return sig; |
memset(_key, 0x00, 17); |
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if(key != 0) |
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strncpy(_key, key, 16); |
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if(_max_threads < initial_size) |
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_max_threads = initial_size; |
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if(_min_threads > initial_size) |
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_min_threads = initial_size; |
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int i; |
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for(i = 0; i < initial_size; i++) |
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{ |
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_link_pool(_init_thread()); |
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} |
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} | } |
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ThreadPool::~ThreadPool(void) |
Thread::Thread(ThreadReturnType(PEGASUS_THREAD_CDECL * start) (void *), void *parameter, Boolean detached):_is_detached(detached), |
{ |
_cancel_enabled(true), |
_dying++; |
_cancelled(false), |
Thread *th = _pool.remove_first(); |
_start(start), _cleanup(), _tsd(), _thread_parm(parameter), _exit_code(0) |
while(th != 0) |
{ |
{ |
Threads::clear(_handle.thid); |
// signal the thread's sleep semaphore |
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th->cancel(); |
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th->join(); |
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th->empty_tsd(); |
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delete th; |
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th = _pool.remove_first(); |
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} |
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} | } |
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// make this static to the class |
Thread::~Thread() |
PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL ThreadPool::_loop(void *parm) |
{ |
{ |
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Thread *myself = (Thread *)parm; |
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if(myself == 0) |
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throw NullPointer(); |
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ThreadPool *pool = (ThreadPool *)myself->get_parm(); |
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if(pool == 0 ) |
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throw NullPointer(); |
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Semaphore *sleep_sem; |
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struct timeval *deadlock_timer; |
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try | try |
{ | { |
sleep_sem = (Semaphore *)myself->reference_tsd("sleep sem"); |
join(); |
myself->dereference_tsd(); |
empty_tsd(); |
deadlock_timer = (struct timeval *)myself->reference_tsd("deadlock timer"); |
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myself->dereference_tsd(); |
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} | } |
catch(IPCException & e) |
catch(...) |
{ | { |
myself->exit_self(0); |
// Do not allow the destructor to throw an exception |
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} |
} | } |
if(sleep_sem == 0 || deadlock_timer == 0) |
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throw NullPointer(); |
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while(pool->_dying < 1) |
#endif /* PEGASUS_HAVE_PTHREADS */ |
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//============================================================================== |
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// |
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// Windows Threads Implementation: |
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// |
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//============================================================================== |
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#if defined(PEGASUS_HAVE_WINDOWS_THREADS) |
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ThreadStatus Thread::run(void) |
{ | { |
myself->test_cancel(); |
// Note: A Win32 thread ID is not the same thing as a pthread ID. |
sleep_sem->wait(); |
// Win32 threads have both a thread ID and a handle. The handle |
// when we awaken we reside on the running queue, not the pool queue |
// is used in the wait functions, etc. |
myself->test_cancel(); |
// So _handle.thid is actually the thread handle. |
gettimeofday(deadlock_timer, NULL); |
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PEGASUS_THREAD_RETURN (PEGASUS_THREAD_CDECL *_work)(void *); |
unsigned threadid = 0; |
void *parm; |
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try |
ThreadType tt; |
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tt.handle = (HANDLE) _beginthreadex(NULL, 0, _start, this, 0, &threadid); |
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_handle.thid = tt; |
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if (Threads::id(_handle.thid) == 0) |
{ | { |
_work = (PEGASUS_THREAD_RETURN (PEGASUS_THREAD_CDECL *)(void *)) \ |
if (errno == EAGAIN) |
myself->reference_tsd("work func"); |
{ |
myself->dereference_tsd(); |
return PEGASUS_THREAD_INSUFFICIENT_RESOURCES; |
parm = myself->reference_tsd("work parm"); |
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myself->dereference_tsd(); |
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} | } |
catch(IPCException & e) |
else |
{ | { |
myself->exit_self(0); |
return PEGASUS_THREAD_SETUP_FAILURE; |
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} |
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} |
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return PEGASUS_THREAD_OK; |
} | } |
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if(_work == 0) |
void Thread::cancel(void) |
throw NullPointer(); |
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_work(parm); |
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// put myself back onto the available list |
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try |
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{ | { |
pool->_running.remove((void *)myself); |
_cancelled = true; |
pool->_link_pool(myself); |
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} | } |
catch(IPCException & e) |
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void Thread::test_cancel(void) |
{ | { |
myself->exit_self(0); |
if (_cancel_enabled && _cancelled) |
} |
{ |
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exit_self(0); |
} | } |
myself->exit_self(0); |
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return((PEGASUS_THREAD_RETURN)0); |
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} | } |
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Boolean Thread::is_cancelled(void) |
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{ |
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return _cancelled; |
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} |
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void ThreadPool::allocate_and_awaken(void *parm, |
void Thread::thread_switch(void) |
PEGASUS_THREAD_RETURN \ |
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(PEGASUS_THREAD_CDECL *work)(void *)) |
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throw(IPCException) |
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{ | { |
struct timeval start; |
Sleep(0); |
gettimeofday(&start, NULL); |
} |
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Thread *th = _pool.remove_first(); |
void Thread::sleep(Uint32 milliseconds) |
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{ |
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Sleep(milliseconds); |
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} |
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while (th == 0 && _dying < 1) |
void Thread::join(void) |
{ | { |
try // we couldn't get a free thread from the pool |
if (Threads::id(_handle.thid) != 0) |
{ | { |
// wait for the right interval and try again |
if (!_is_detached) |
while(th == 0 && _dying < 1) |
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{ | { |
_check_deadlock(&start); |
if (!_cancelled) |
Uint32 interval = _allocate_wait.tv_sec * 1000; |
{ |
if(_allocate_wait.tv_usec > 0) |
// Emulate the unix join api. Caller sleeps until thread is |
interval += (_deallocate_wait.tv_usec / 1000); |
// done. |
// will throw a timeout if no thread comes free |
WaitForSingleObject(_handle.thid.handle, INFINITE); |
_pool_sem.time_wait(interval); |
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th = _pool.remove_first(); |
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} |
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} | } |
catch(TimeOut & to) |
else |
{ | { |
if(_current_threads < _max_threads) |
// Currently this is the only way to ensure this code does |
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// not |
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// hang forever. |
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if (WaitForSingleObject(_handle.thid.handle, 10000) == |
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WAIT_TIMEOUT) |
{ | { |
th = _init_thread(); |
TerminateThread(_handle.thid.handle, 0); |
break; |
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} | } |
} | } |
// will throw a Deadlock Exception before falling out of the loop |
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_check_deadlock(&start); |
DWORD exit_code = 0; |
} // while th == null |
GetExitCodeThread(_handle.thid.handle, &exit_code); |
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_exit_code = (ThreadReturnType) exit_code; |
if(_dying < 1) |
} |
{ |
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// initialize the thread data with the work function and parameters |
CloseHandle(_handle.thid.handle); |
th->remove_tsd("work func"); |
Threads::clear(_handle.thid); |
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->remove_tsd("work parm"); |
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th->put_tsd("work parm", NULL, sizeof(void *), parm); |
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// put the thread on the running list |
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_running.insert_first(th); |
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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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if(sleep_sem == 0) |
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throw NullPointer(); |
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sleep_sem->signal(); |
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} | } |
else |
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_pool.insert_first(th); |
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} | } |
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// caller is responsible for only calling this routine during slack periods |
void Thread::thread_init(void) |
// but should call it at least once per _deadlock_detect with the running q |
{ |
// and at least once per _deallocate_wait for the pool q |
_cancel_enabled = true; |
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} |
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void ThreadPool::_kill_dead_threads(DQueue<Thread> *q, Boolean (*check)(struct timeval *)) |
void Thread::detach(void) |
throw(IPCException) |
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{ | { |
struct timeval now; |
_is_detached = true; |
gettimeofday(&now, NULL); |
} |
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DQueue<Thread> dead(true) ; |
Thread::Thread(ThreadReturnType(PEGASUS_THREAD_CDECL * start) (void *), |
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void *parameter, |
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Boolean detached):_is_detached(detached), |
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_cancel_enabled(true), |
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_cancelled(false), |
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_start(start), _cleanup(), _tsd(), _thread_parm(parameter), _exit_code(0) |
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{ |
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Threads::clear(_handle.thid); |
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} |
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if(q->count() > 0 ) |
Thread::~Thread() |
{ | { |
try | try |
{ | { |
q->try_lock(); |
join(); |
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empty_tsd(); |
} | } |
catch(AlreadyLocked & a) |
catch(...) |
{ | { |
return; |
} |
} | } |
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Thread *context = 0; |
#endif /* PEGASUS_HAVE_WINDOWS_THREADS */ |
struct timeval dt = { 0, 0 }; |
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struct timeval *dtp; |
//============================================================================== |
Thread *th = q->next(context); |
// |
while (th != 0 ) |
// Common implementation: |
{ |
// |
try |
//============================================================================== |
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void thread_data::default_delete(void *data) |
{ | { |
dtp = (struct timeval *)th->try_reference_tsd("deadlock timer"); |
if (data != NULL) |
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::operator delete(data); |
} | } |
catch(AlreadyLocked & a) |
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void language_delete(void *data) |
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{ |
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if (data != NULL) |
{ | { |
context = th; |
AutoPtr < AcceptLanguageList > al(static_cast < |
th = q->next(context); |
AcceptLanguageList * >(data)); |
continue; |
} |
} | } |
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if(dtp != 0) |
Boolean Thread::_signals_blocked = false; |
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#ifndef PEGASUS_OS_ZOS |
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TSDKeyType Thread::_platform_thread_key = TSDKeyType(-1); |
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#else |
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TSDKeyType 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) |
{ | { |
memcpy(&dt, dtp, sizeof(struct timeval)); |
AutoPtr < cleanup_handler > cu(new cleanup_handler(routine, parm)); |
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_cleanup.insert_front(cu.get()); |
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cu.release(); |
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return; |
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} |
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void Thread::cleanup_pop(Boolean execute) |
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{ |
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AutoPtr < cleanup_handler > cu; |
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try |
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{ |
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cu.reset(_cleanup.remove_front()); |
} | } |
th->dereference_tsd(); |
catch(IPCException &) |
if( true == check(&dt)) |
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{ | { |
th = q->remove_no_lock((void *)th); |
PEGASUS_ASSERT(0); |
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} |
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if (execute == true) |
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cu->execute(); |
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} |
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//thread_data *Thread::put_tsd(const Sint8 *key, void (*delete_func)(void *), Uint32 size, void *value) |
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if(th != 0) |
void Thread::exit_self(ThreadReturnType exit_code) |
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{ |
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#if defined(PEGASUS_PLATFORM_HPUX_ACC) || \ |
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defined(PEGASUS_PLATFORM_LINUX_GENERIC_GNU) |
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// NOTE: pthread_exit exhibits unusual behavior on RHEL 3 U2, as |
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// documented in Bugzilla 3836. Where feasible, it may be advantageous |
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// to avoid using this function. |
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pthread_exit(exit_code); |
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#else |
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// execute the cleanup stack and then return |
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while (_cleanup.size()) |
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{ |
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try |
{ | { |
dead.insert_first(th); |
cleanup_pop(true); |
th = 0; |
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} | } |
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catch(IPCException &) |
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{ |
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PEGASUS_ASSERT(0); |
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break; |
} | } |
context = th; |
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th = q->next(context); |
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} | } |
q->unlock(); |
_exit_code = exit_code; |
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Threads::exit(exit_code); |
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Threads::clear(_handle.thid); |
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#endif |
} | } |
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if(dead.count()) |
Sint8 Thread::initializeKey() |
{ | { |
Thread *th = dead.remove_first(); |
PEG_METHOD_ENTER(TRC_THREAD, "Thread::initializeKey"); |
while(th != 0) |
if (!Thread::_key_initialized) |
{ | { |
th->cancel(); |
if (Thread::_key_error) |
th->join(); |
{ |
delete th; |
Tracer::trace(TRC_THREAD, Tracer::LEVEL4, |
th = dead.remove_first(); |
"Thread: ERROR - thread key error"); |
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return -1; |
} | } |
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if (TSDKey::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; |
} | } |
return; |
else |
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{ |
|
Tracer::trace(TRC_THREAD, Tracer::LEVEL4, |
|
"Thread: ERROR - unable to create a thread key"); |
|
Thread::_key_error = true; |
|
return -1; |
|
} |
|
} |
|
|
|
PEG_METHOD_EXIT(); |
|
return 0; |
} | } |
| |
Boolean ThreadPool::_check_time(struct timeval *start, struct timeval *interval) |
Thread *Thread::getCurrent() |
{ | { |
struct timeval now; |
PEG_METHOD_ENTER(TRC_THREAD, "Thread::getCurrent"); |
gettimeofday(&now, NULL); |
if (Thread::initializeKey() != 0) |
if( (now.tv_sec - start->tv_sec) > interval->tv_sec || |
{ |
(((now.tv_sec - start->tv_sec) == interval->tv_sec) && |
return NULL; |
((now.tv_usec - start->tv_usec) >= interval->tv_usec ) ) ) |
} |
return true; |
PEG_METHOD_EXIT(); |
else |
return (Thread *) TSDKey::get_thread_specific(_platform_thread_key); |
return false; |
|
} | } |
| |
void ThreadPool::_sleep_sem_del(void *p) |
void Thread::setCurrent(Thread * thrd) |
|
{ |
|
PEG_METHOD_ENTER(TRC_THREAD, "Thread::setCurrent"); |
|
if (Thread::initializeKey() == 0) |
|
{ |
|
if (TSDKey:: |
|
set_thread_specific(Thread::_platform_thread_key, |
|
(void *) thrd) == 0) |
{ | { |
if(p != 0) |
Tracer::trace(TRC_THREAD, Tracer::LEVEL4, |
|
"Successful set Thread * into thread specific storage"); |
|
} |
|
else |
{ | { |
delete (Semaphore *)p; |
Tracer::trace(TRC_THREAD, Tracer::LEVEL4, |
|
"ERROR: error setting Thread * into thread specific storage"); |
} | } |
} | } |
|
PEG_METHOD_EXIT(); |
|
} |
| |
inline void ThreadPool::_check_deadlock(struct timeval *start) throw(Deadlock) |
AcceptLanguageList *Thread::getLanguages() |
{ | { |
if (true == _check_time(start, &_deadlock_detect)) |
PEG_METHOD_ENTER(TRC_THREAD, "Thread::getLanguages"); |
throw Deadlock(pegasus_thread_self()); |
|
return; |
Thread *curThrd = Thread::getCurrent(); |
|
if (curThrd == NULL) |
|
return NULL; |
|
AcceptLanguageList *acceptLangs = |
|
(AcceptLanguageList *) curThrd->reference_tsd("acceptLanguages"); |
|
curThrd->dereference_tsd(); |
|
PEG_METHOD_EXIT(); |
|
return acceptLangs; |
} | } |
| |
|
void Thread::setLanguages(AcceptLanguageList * langs) // l10n |
|
{ |
|
PEG_METHOD_ENTER(TRC_THREAD, "Thread::setLanguages"); |
| |
inline Boolean ThreadPool::_check_deadlock_no_throw(struct timeval *start) |
Thread *currentThrd = Thread::getCurrent(); |
|
if (currentThrd != NULL) |
{ | { |
return(_check_time(start, &_deadlock_detect)); |
// deletes the old tsd and creates a new one |
|
currentThrd->put_tsd("acceptLanguages", |
|
language_delete, |
|
sizeof (AcceptLanguageList *), langs); |
} | } |
| |
inline Boolean ThreadPool::_check_dealloc(struct timeval *start) |
PEG_METHOD_EXIT(); |
{ |
|
return(_check_time(start, &_deallocate_wait)); |
|
} | } |
| |
inline Thread *ThreadPool::_init_thread(void) throw(IPCException) |
void Thread::clearLanguages() // l10n |
{ | { |
Thread *th = (Thread *) new Thread(&_loop, this, false); |
PEG_METHOD_ENTER(TRC_THREAD, "Thread::clearLanguages"); |
// 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)); |
|
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++; |
|
return th; |
|
} |
|
| |
inline void ThreadPool::_link_pool(Thread *th) throw(IPCException) |
Thread *currentThrd = Thread::getCurrent(); |
|
if (currentThrd != NULL) |
{ | { |
if(th == 0) |
// deletes the old tsd |
throw NullPointer(); |
currentThrd->delete_tsd("acceptLanguages"); |
_pool.insert_first(th); |
|
_pool_sem.signal(); |
|
} | } |
| |
|
PEG_METHOD_EXIT(); |
|
} |
| |
PEGASUS_NAMESPACE_END |
// ATTN: not sure where to put this! |
|
#ifdef PEGASUS_ZOS_SECURITY |
|
bool isEnhancedSecurity = 99; |
|
#endif |
| |
|
PEGASUS_NAMESPACE_END |