mirror of
https://github.com/pocoproject/poco.git
synced 2025-10-25 18:22:59 +02:00
removing old trunk files
This commit is contained in:
Aleksandar Fabijanic
@@ -1,455 +0,0 @@
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//
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// Thread_POSIX.cpp
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//
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// $Id: //poco/1.4/Foundation/src/Thread_POSIX.cpp#5 $
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//
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// Library: Foundation
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// Package: Threading
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// Module: Thread
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//
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// Copyright (c) 2004-2007, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// Permission is hereby granted, free of charge, to any person or organization
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// obtaining a copy of the software and accompanying documentation covered by
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// this license (the "Software") to use, reproduce, display, distribute,
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// execute, and transmit the Software, and to prepare derivative works of the
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// Software, and to permit third-parties to whom the Software is furnished to
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// do so, all subject to the following:
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//
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// The copyright notices in the Software and this entire statement, including
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// the above license grant, this restriction and the following disclaimer,
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// must be included in all copies of the Software, in whole or in part, and
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// all derivative works of the Software, unless such copies or derivative
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// works are solely in the form of machine-executable object code generated by
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// a source language processor.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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#include "Poco/Thread_POSIX.h"
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#include "Poco/Exception.h"
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#include "Poco/ErrorHandler.h"
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#include "Poco/Timespan.h"
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#include "Poco/Timestamp.h"
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#include <signal.h>
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#if defined(__sun) && defined(__SVR4)
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# if !defined(__EXTENSIONS__)
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# define __EXTENSIONS__
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# endif
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#endif
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#if POCO_OS == POCO_OS_LINUX || POCO_OS == POCO_OS_MAC_OS_X || POCO_OS == POCO_OS_QNX
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# include <time.h>
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#endif
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//
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// Block SIGPIPE in main thread.
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//
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#if defined(POCO_OS_FAMILY_UNIX) && !defined(POCO_VXWORKS)
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namespace
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{
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class SignalBlocker
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{
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public:
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SignalBlocker()
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{
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sigset_t sset;
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sigemptyset(&sset);
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sigaddset(&sset, SIGPIPE);
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pthread_sigmask(SIG_BLOCK, &sset, 0);
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}
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~SignalBlocker()
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{
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}
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};
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static SignalBlocker signalBlocker;
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}
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#endif
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namespace Poco {
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ThreadImpl::CurrentThreadHolder ThreadImpl::_currentThreadHolder;
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ThreadImpl::ThreadImpl():
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_pData(new ThreadData)
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{
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}
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ThreadImpl::~ThreadImpl()
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{
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if (isRunningImpl())
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pthread_detach(_pData->thread);
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}
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void ThreadImpl::setPriorityImpl(int prio)
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{
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if (prio != _pData->prio)
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{
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_pData->prio = prio;
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if (isRunningImpl())
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{
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struct sched_param par;
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par.sched_priority = mapPrio(_pData->prio);
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if (pthread_setschedparam(_pData->thread, SCHED_OTHER, &par))
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throw SystemException("cannot set thread priority");
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}
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}
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}
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void ThreadImpl::setOSPriorityImpl(int prio)
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{
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if (prio != _pData->osPrio)
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{
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if (_pData->pRunnableTarget || _pData->pCallbackTarget)
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{
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struct sched_param par;
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par.sched_priority = prio;
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if (pthread_setschedparam(_pData->thread, SCHED_OTHER, &par))
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throw SystemException("cannot set thread priority");
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}
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_pData->prio = reverseMapPrio(prio);
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_pData->osPrio = prio;
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}
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}
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int ThreadImpl::getMinOSPriorityImpl()
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{
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#if defined(POCO_THREAD_PRIORITY_MIN)
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return POCO_THREAD_PRIORITY_MIN;
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#elif defined(__VMS) || defined(__digital__)
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return PRI_OTHER_MIN;
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#else
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return sched_get_priority_min(SCHED_OTHER);
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#endif
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}
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int ThreadImpl::getMaxOSPriorityImpl()
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{
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#if defined(POCO_THREAD_PRIORITY_MAX)
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return POCO_THREAD_PRIORITY_MAX;
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#elif defined(__VMS) || defined(__digital__)
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return PRI_OTHER_MAX;
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#else
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return sched_get_priority_max(SCHED_OTHER);
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#endif
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}
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void ThreadImpl::setStackSizeImpl(int size)
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{
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#ifndef PTHREAD_STACK_MIN
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_pData->stackSize = 0;
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#else
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if (size != 0)
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{
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#if defined(__APPLE__)
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// we must round up to a multiple of the memory page size
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const int PAGE_SIZE = 4096;
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size = ((size + PAGE_SIZE - 1)/PAGE_SIZE)*PAGE_SIZE;
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#endif
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#if !defined(POCO_ANDROID)
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if (size < PTHREAD_STACK_MIN)
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size = PTHREAD_STACK_MIN;
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#endif
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}
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_pData->stackSize = size;
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#endif
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}
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void ThreadImpl::startImpl(Runnable& target)
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{
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if (_pData->pRunnableTarget)
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throw SystemException("thread already running");
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pthread_attr_t attributes;
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pthread_attr_init(&attributes);
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if (_pData->stackSize != 0)
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{
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if (0 != pthread_attr_setstacksize(&attributes, _pData->stackSize))
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throw SystemException("cannot set thread stack size");
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}
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_pData->pRunnableTarget = ⌖
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if (pthread_create(&_pData->thread, &attributes, runnableEntry, this))
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{
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_pData->pRunnableTarget = 0;
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throw SystemException("cannot start thread");
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}
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if (_pData->prio != PRIO_NORMAL_IMPL)
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{
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struct sched_param par;
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par.sched_priority = mapPrio(_pData->prio);
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if (pthread_setschedparam(_pData->thread, SCHED_OTHER, &par))
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throw SystemException("cannot set thread priority");
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}
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}
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void ThreadImpl::startImpl(Callable target, void* pData)
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{
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if (_pData->pCallbackTarget && _pData->pCallbackTarget->callback)
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throw SystemException("thread already running");
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pthread_attr_t attributes;
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pthread_attr_init(&attributes);
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if (_pData->stackSize != 0)
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{
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if (0 != pthread_attr_setstacksize(&attributes, _pData->stackSize))
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throw SystemException("can not set thread stack size");
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}
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if (0 == _pData->pCallbackTarget.get())
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_pData->pCallbackTarget = new CallbackData;
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_pData->pCallbackTarget->callback = target;
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_pData->pCallbackTarget->pData = pData;
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if (pthread_create(&_pData->thread, &attributes, callableEntry, this))
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{
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_pData->pCallbackTarget->callback = 0;
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_pData->pCallbackTarget->pData = 0;
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throw SystemException("cannot start thread");
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}
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if (_pData->prio != PRIO_NORMAL_IMPL)
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{
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struct sched_param par;
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par.sched_priority = mapPrio(_pData->prio);
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if (pthread_setschedparam(_pData->thread, SCHED_OTHER, &par))
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throw SystemException("cannot set thread priority");
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}
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}
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void ThreadImpl::joinImpl()
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{
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_pData->done.wait();
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void* result;
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if (pthread_join(_pData->thread, &result))
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throw SystemException("cannot join thread");
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}
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bool ThreadImpl::joinImpl(long milliseconds)
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{
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if (_pData->done.tryWait(milliseconds))
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{
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void* result;
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if (pthread_join(_pData->thread, &result))
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throw SystemException("cannot join thread");
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return true;
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}
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else return false;
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}
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ThreadImpl* ThreadImpl::currentImpl()
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{
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return _currentThreadHolder.get();
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}
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ThreadImpl::TIDImpl ThreadImpl::currentTidImpl()
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{
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return pthread_self();
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}
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void ThreadImpl::sleepImpl(long milliseconds)
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{
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#if defined(__VMS) || defined(__digital__)
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// This is specific to DECThreads
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struct timespec interval;
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interval.tv_sec = milliseconds / 1000;
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interval.tv_nsec = (milliseconds % 1000)*1000000;
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pthread_delay_np(&interval);
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#elif POCO_OS == POCO_OS_LINUX || POCO_OS == POCO_OS_MAC_OS_X || POCO_OS == POCO_OS_QNX || POCO_OS == POCO_OS_VXWORKS
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Poco::Timespan remainingTime(1000*Poco::Timespan::TimeDiff(milliseconds));
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int rc;
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do
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{
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struct timespec ts;
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ts.tv_sec = (long) remainingTime.totalSeconds();
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ts.tv_nsec = (long) remainingTime.useconds()*1000;
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Poco::Timestamp start;
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rc = ::nanosleep(&ts, 0);
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if (rc < 0 && errno == EINTR)
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{
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Poco::Timestamp end;
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Poco::Timespan waited = start.elapsed();
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if (waited < remainingTime)
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remainingTime -= waited;
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else
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remainingTime = 0;
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}
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}
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while (remainingTime > 0 && rc < 0 && errno == EINTR);
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if (rc < 0 && remainingTime > 0) throw Poco::SystemException("Thread::sleep(): nanosleep() failed");
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#else
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Poco::Timespan remainingTime(1000*Poco::Timespan::TimeDiff(milliseconds));
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int rc;
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do
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{
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struct timeval tv;
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tv.tv_sec = (long) remainingTime.totalSeconds();
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tv.tv_usec = (long) remainingTime.useconds();
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Poco::Timestamp start;
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rc = ::select(0, NULL, NULL, NULL, &tv);
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if (rc < 0 && errno == EINTR)
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{
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Poco::Timestamp end;
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Poco::Timespan waited = start.elapsed();
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if (waited < remainingTime)
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remainingTime -= waited;
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else
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remainingTime = 0;
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}
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}
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while (remainingTime > 0 && rc < 0 && errno == EINTR);
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if (rc < 0 && remainingTime > 0) throw Poco::SystemException("Thread::sleep(): select() failed");
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#endif
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}
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void* ThreadImpl::runnableEntry(void* pThread)
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{
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_currentThreadHolder.set(reinterpret_cast<ThreadImpl*>(pThread));
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#if defined(POCO_OS_FAMILY_UNIX)
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sigset_t sset;
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sigemptyset(&sset);
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sigaddset(&sset, SIGQUIT);
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sigaddset(&sset, SIGTERM);
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sigaddset(&sset, SIGPIPE);
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pthread_sigmask(SIG_BLOCK, &sset, 0);
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#endif
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ThreadImpl* pThreadImpl = reinterpret_cast<ThreadImpl*>(pThread);
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AutoPtr<ThreadData> pData = pThreadImpl->_pData;
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try
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{
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pData->pRunnableTarget->run();
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}
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catch (Exception& exc)
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{
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ErrorHandler::handle(exc);
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}
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catch (std::exception& exc)
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{
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ErrorHandler::handle(exc);
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}
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catch (...)
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{
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ErrorHandler::handle();
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}
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pData->pRunnableTarget = 0;
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pData->done.set();
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return 0;
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}
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void* ThreadImpl::callableEntry(void* pThread)
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{
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_currentThreadHolder.set(reinterpret_cast<ThreadImpl*>(pThread));
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#if defined(POCO_OS_FAMILY_UNIX)
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sigset_t sset;
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sigemptyset(&sset);
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sigaddset(&sset, SIGQUIT);
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sigaddset(&sset, SIGTERM);
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sigaddset(&sset, SIGPIPE);
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pthread_sigmask(SIG_BLOCK, &sset, 0);
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#endif
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ThreadImpl* pThreadImpl = reinterpret_cast<ThreadImpl*>(pThread);
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AutoPtr<ThreadData> pData = pThreadImpl->_pData;
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try
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{
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pData->pCallbackTarget->callback(pData->pCallbackTarget->pData);
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}
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catch (Exception& exc)
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{
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ErrorHandler::handle(exc);
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}
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catch (std::exception& exc)
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{
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ErrorHandler::handle(exc);
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}
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catch (...)
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{
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ErrorHandler::handle();
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}
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pData->pCallbackTarget->callback = 0;
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pData->pCallbackTarget->pData = 0;
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pData->done.set();
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return 0;
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}
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int ThreadImpl::mapPrio(int prio)
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{
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int pmin = getMinOSPriorityImpl();
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int pmax = getMaxOSPriorityImpl();
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switch (prio)
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{
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case PRIO_LOWEST_IMPL:
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return pmin;
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case PRIO_LOW_IMPL:
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return pmin + (pmax - pmin)/4;
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case PRIO_NORMAL_IMPL:
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return pmin + (pmax - pmin)/2;
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case PRIO_HIGH_IMPL:
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return pmin + 3*(pmax - pmin)/4;
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case PRIO_HIGHEST_IMPL:
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return pmax;
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default:
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poco_bugcheck_msg("invalid thread priority");
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}
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return -1; // just to satisfy compiler - we'll never get here anyway
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}
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int ThreadImpl::reverseMapPrio(int prio)
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{
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int pmin = getMinOSPriorityImpl();
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int pmax = getMaxOSPriorityImpl();
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int normal = pmin + (pmax - pmin)/2;
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if (prio == pmax)
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return PRIO_HIGHEST_IMPL;
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if (prio > normal)
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return PRIO_HIGH_IMPL;
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else if (prio == normal)
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return PRIO_NORMAL_IMPL;
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else if (prio > pmin)
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return PRIO_LOW_IMPL;
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else
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return PRIO_LOWEST_IMPL;
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}
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||||
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||||
} // namespace Poco
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Reference in New Issue
Block a user