diff options
author | Benoit Foucher <benoit@zeroc.com> | 2009-03-24 11:45:18 +0100 |
---|---|---|
committer | Benoit Foucher <benoit@zeroc.com> | 2009-03-24 11:45:18 +0100 |
commit | 06a08ecf28e205277336a97a6173db7ccbed1adc (patch) | |
tree | a369a5044a63f8cdba9e7c0a461e24ae344486b4 /cpp/src/Ice/ThreadPool.cpp | |
parent | Merge branch 'R3_3_branch' (diff) | |
parent | Bug 3924: slice2py missing from VC60 installer (diff) | |
download | ice-06a08ecf28e205277336a97a6173db7ccbed1adc.tar.bz2 ice-06a08ecf28e205277336a97a6173db7ccbed1adc.tar.xz ice-06a08ecf28e205277336a97a6173db7ccbed1adc.zip |
Merge commit 'origin/R3_3_branch'
Conflicts:
CHANGES
cpp/demo/Freeze/backup/.depend
cpp/demo/Freeze/bench/.depend
cpp/demo/Freeze/casino/.depend
cpp/demo/Freeze/customEvictor/.depend
cpp/demo/Freeze/library/.depend
cpp/demo/Freeze/phonebook/.depend
cpp/demo/Freeze/transform/.depend
cpp/demo/Glacier2/callback/.depend
cpp/demo/Glacier2/chat/.depend
cpp/demo/Ice/async/.depend
cpp/demo/Ice/bidir/.depend
cpp/demo/Ice/callback/.depend
cpp/demo/Ice/converter/.depend
cpp/demo/Ice/hello/.depend
cpp/demo/Ice/invoke/.depend
cpp/demo/Ice/latency/.depend
cpp/demo/Ice/minimal/.depend
cpp/demo/Ice/multicast/.depend
cpp/demo/Ice/nested/.depend
cpp/demo/Ice/nrvo/.depend
cpp/demo/Ice/session/.depend
cpp/demo/Ice/throughput/.depend
cpp/demo/Ice/value/.depend
cpp/demo/IceBox/hello/.depend
cpp/demo/IceGrid/allocate/.depend
cpp/demo/IceGrid/icebox/.depend
cpp/demo/IceGrid/replication/.depend
cpp/demo/IceGrid/sessionActivation/.depend
cpp/demo/IceGrid/simple/.depend
cpp/demo/IceStorm/clock/.depend
cpp/demo/IceStorm/counter/.depend
cpp/demo/IceStorm/replicated/.depend
cpp/demo/IceStorm/replicated2/.depend
cpp/demo/book/freeze_filesystem/.depend
cpp/demo/book/lifecycle/.depend
cpp/demo/book/printer/.depend
cpp/demo/book/simple_filesystem/.depend
cpp/src/Freeze/.depend
cpp/src/FreezeScript/.depend
cpp/src/Ice/.depend
cpp/src/Ice/UdpTransceiver.cpp
cpp/src/Ice/UdpTransceiver.h
cpp/src/IceBox/.depend
cpp/src/IceGrid/.depend
cpp/src/IceGridLib/.depend
cpp/src/IcePatch2/.depend
cpp/src/IceStorm/.depend
cpp/src/slice2freeze/.depend
cpp/test/Freeze/complex/.depend
cpp/test/Freeze/dbmap/.depend
cpp/test/Freeze/evictor/.depend
cpp/test/Freeze/oldevictor/.depend
cpp/test/FreezeScript/dbmap/.depend
cpp/test/FreezeScript/evictor/.depend
cpp/test/Glacier2/attack/.depend
cpp/test/Glacier2/dynamicFiltering/.depend
cpp/test/Glacier2/router/.depend
cpp/test/Glacier2/sessionControl/.depend
cpp/test/Glacier2/ssl/.depend
cpp/test/Glacier2/staticFiltering/.depend
cpp/test/Ice/adapterDeactivation/.depend
cpp/test/Ice/background/.depend
cpp/test/Ice/binding/.depend
cpp/test/Ice/checksum/.depend
cpp/test/Ice/checksum/server/.depend
cpp/test/Ice/custom/.depend
cpp/test/Ice/exceptions/.depend
cpp/test/Ice/facets/.depend
cpp/test/Ice/faultTolerance/.depend
cpp/test/Ice/gc/.depend
cpp/test/Ice/hold/.depend
cpp/test/Ice/inheritance/.depend
cpp/test/Ice/interceptor/.depend
cpp/test/Ice/location/.depend
cpp/test/Ice/objects/.depend
cpp/test/Ice/operations/.depend
cpp/test/Ice/proxy/.depend
cpp/test/Ice/retry/.depend
cpp/test/Ice/servantLocator/.depend
cpp/test/Ice/slicing/exceptions/.depend
cpp/test/Ice/slicing/objects/.depend
cpp/test/Ice/stream/.depend
cpp/test/Ice/stringConverter/.depend
cpp/test/Ice/timeout/.depend
cpp/test/Ice/udp/.depend
cpp/test/IceBox/configuration/.depend
cpp/test/IceGrid/activation/.depend
cpp/test/IceGrid/allocation/.depend
cpp/test/IceGrid/deployer/.depend
cpp/test/IceGrid/distribution/.depend
cpp/test/IceGrid/replicaGroup/.depend
cpp/test/IceGrid/replication/.depend
cpp/test/IceGrid/session/.depend
cpp/test/IceGrid/simple/.depend
cpp/test/IceGrid/update/.depend
cpp/test/IceSSL/configuration/.depend
cpp/test/IceStorm/federation/.depend
cpp/test/IceStorm/federation2/.depend
cpp/test/IceStorm/rep1/.depend
cpp/test/IceStorm/repgrid/.depend
cpp/test/IceStorm/repstress/.depend
cpp/test/IceStorm/single/.depend
cpp/test/IceStorm/stress/.depend
cpp/test/Slice/keyword/.depend
cs/src/Ice/Instance.cs
cs/src/IceSSL/ConnectorI.cs
java/demo/book/simple_filesystem/Filesystem/DirectoryI.java
java/demo/book/simple_filesystem/Filesystem/FileI.java
java/src/IceInternal/TcpConnector.java
java/src/IceSSL/ConnectorI.java
py/modules/IcePy/.depend
rb/src/IceRuby/.depend
Diffstat (limited to 'cpp/src/Ice/ThreadPool.cpp')
-rw-r--r-- | cpp/src/Ice/ThreadPool.cpp | 114 |
1 files changed, 62 insertions, 52 deletions
diff --git a/cpp/src/Ice/ThreadPool.cpp b/cpp/src/Ice/ThreadPool.cpp index ab41198104c..63fc22a7f11 100644 --- a/cpp/src/Ice/ThreadPool.cpp +++ b/cpp/src/Ice/ThreadPool.cpp @@ -554,74 +554,84 @@ IceInternal::ThreadPool::run() handler->_serializing = false; } - // - // First we reap threads that have been destroyed before. - // - int sz = static_cast<int>(_threads.size()); - assert(_running <= sz); - if(_running < sz) + if(_size < _sizeMax) // Dynamic thread pool { - vector<IceUtil::ThreadPtr>::iterator start = - partition(_threads.begin(), _threads.end(), IceUtil::constMemFun(&IceUtil::Thread::isAlive)); - - for(vector<IceUtil::ThreadPtr>::iterator p = start; p != _threads.end(); ++p) + // + // First we reap threads that have been destroyed before. + // + int sz = static_cast<int>(_threads.size()); + assert(_running <= sz); + if(_running < sz) { - (*p)->getThreadControl().join(); - } + vector<IceUtil::ThreadPtr>::iterator start = + partition(_threads.begin(), _threads.end(), + IceUtil::constMemFun(&IceUtil::Thread::isAlive)); - _threads.erase(start, _threads.end()); - } - - // - // Now we check if this thread can be destroyed, based - // on a load factor. - // + for(vector<IceUtil::ThreadPtr>::iterator p = start; p != _threads.end(); ++p) + { + (*p)->getThreadControl().join(); + } - // - // The load factor jumps immediately to the number of - // threads that are currently in use, but decays - // exponentially if the number of threads in use is - // smaller than the load factor. This reflects that we - // create threads immediately when they are needed, - // but want the number of threads to slowly decline to - // the configured minimum. - // - double inUse = static_cast<double>(_inUse); - if(_load < inUse) - { - _load = inUse; - } - else - { - const double loadFactor = 0.05; // TODO: Configurable? - const double oneMinusLoadFactor = 1 - loadFactor; - _load = _load * oneMinusLoadFactor + inUse * loadFactor; - } + _threads.erase(start, _threads.end()); + } - if(_running > _size) - { - int load = static_cast<int>(_load + 0.5); + // + // Now we check if this thread can be destroyed, based + // on a load factor. + // // - // We add one to the load factor because on - // additional thread is needed for select(). + // The load factor jumps immediately to the number of + // threads that are currently in use, but decays + // exponentially if the number of threads in use is + // smaller than the load factor. This reflects that we + // create threads immediately when they are needed, + // but want the number of threads to slowly decline to + // the configured minimum. // - if(load + 1 < _running) + double inUse = static_cast<double>(_inUse); + if(_load < inUse) + { + _load = inUse; + } + else { - assert(_inUse > 0); - --_inUse; + const double loadFactor = 0.05; // TODO: Configurable? + const double oneMinusLoadFactor = 1 - loadFactor; + _load = _load * oneMinusLoadFactor + inUse * loadFactor; + } + + if(_running > _size) + { + int load = static_cast<int>(_load + 0.5); + + // + // We add one to the load factor because on + // additional thread is needed for select(). + // + if(load + 1 < _running) + { + assert(_inUse > 0); + --_inUse; - assert(_running > 0); - --_running; + assert(_running > 0); + --_running; - return false; + return false; + } } } - + assert(_inUse > 0); --_inUse; } - + + // + // Do not wait to be promoted again to release these objects. + // + handler = 0; + workItem = 0; + while(!_promote) { wait(); |