Files
loongoffice/cppu/source/threadpool/threadpool.hxx
Stephan Bergmann d015384e1d Fixed ThreadPool (and dependent ORequestThread) life cycle
At least with sw_complex test under load, it happened that an ORequestThread
could still process a remote release request while the main thread was already
in exit(3).  This was because (a) ThreadPool never joined with the spawned
worker threads (which has been rectified by calling uno_threadpool_dispose(0)
from the final uno_threadpool_destroy), and (b) binaryurp::Bridge called
uno_threadpool_destroy only from its destructor (which could go as late as
exit(3)) instead of from terminate.

Additional clean up:
* Access to Bridge's threadPool_ is now cleanly controlled by mutex_ (even
  though that might not be necessary in every case).
* ThreadPool's stopDisposing got renamed to destroy, to make meaning clearer.

Change-Id: I45fa76e80e790a11065e7bf8ac9d92af2e62f262
2012-05-16 22:09:21 +02:00

144 lines
4.1 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#include <boost/unordered_map.hpp>
#include <osl/conditn.h>
#include <rtl/byteseq.hxx>
#include <boost/shared_ptr.hpp>
#include "jobqueue.hxx"
using namespace ::rtl;
namespace cppu_threadpool {
class ORequestThread;
struct EqualThreadId
{
sal_Int32 operator () ( const ::rtl::ByteSequence &a , const ::rtl::ByteSequence &b ) const
{
return a == b;
}
};
struct HashThreadId
{
sal_Int32 operator () ( const ::rtl::ByteSequence &a ) const
{
if( a.getLength() >= 4 )
{
return *(sal_Int32 *)a.getConstArray();
}
return 0;
}
};
typedef ::boost::unordered_map
<
ByteSequence, // ThreadID
::std::pair < JobQueue * , JobQueue * >,
HashThreadId,
EqualThreadId
> ThreadIdHashMap;
typedef ::std::list < sal_Int64 > DisposedCallerList;
struct WaitingThread
{
oslCondition condition;
ORequestThread *thread;
};
typedef ::std::list < struct ::cppu_threadpool::WaitingThread * > WaitingThreadList;
class DisposedCallerAdmin;
typedef boost::shared_ptr<DisposedCallerAdmin> DisposedCallerAdminHolder;
class DisposedCallerAdmin
{
public:
~DisposedCallerAdmin();
static DisposedCallerAdminHolder getInstance();
void dispose( sal_Int64 nDisposeId );
void destroy( sal_Int64 nDisposeId );
sal_Bool isDisposed( sal_Int64 nDisposeId );
private:
::osl::Mutex m_mutex;
DisposedCallerList m_lst;
};
class ThreadPool;
typedef boost::shared_ptr<ThreadPool> ThreadPoolHolder;
class ThreadPool
{
public:
ThreadPool();
~ThreadPool();
static ThreadPoolHolder getInstance();
void dispose( sal_Int64 nDisposeId );
void destroy( sal_Int64 nDisposeId );
void addJob( const ByteSequence &aThreadId,
sal_Bool bAsynchron,
void *pThreadSpecificData,
RequestFun * doRequest );
void prepare( const ByteSequence &aThreadId );
void * enter( const ByteSequence &aThreadId, sal_Int64 nDisposeId );
/********
* @return true, if queue could be successfully revoked.
********/
sal_Bool revokeQueue( const ByteSequence & aThreadId , sal_Bool bAsynchron );
void waitInPool( ORequestThread *pThread );
private:
void createThread( JobQueue *pQueue, const ByteSequence &aThreadId, sal_Bool bAsynchron);
ThreadIdHashMap m_mapQueue;
::osl::Mutex m_mutex;
::osl::Mutex m_mutexWaitingThreadList;
WaitingThreadList m_lstThreads;
DisposedCallerAdminHolder m_DisposedCallerAdmin;
};
} // end namespace cppu_threadpool
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */