mirror of
https://github.com/pocoproject/poco.git
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set eol-style to native
This commit is contained in:
Guenter Obiltschnig
@@ -1,221 +1,221 @@
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//
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// Thread_POSIX.cpp
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//
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// $Id: //poco/1.2/Foundation/src/Thread_POSIX.cpp#1 $
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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) 2004-2006, 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 <signal.h>
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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)
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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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pthread_key_t ThreadImpl::_currentKey;
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bool ThreadImpl::_haveCurrentKey = false;
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ThreadImpl::ThreadImpl():
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_pTarget(0),
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_thread(0),
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_prio(PRIO_NORMAL_IMPL)
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{
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if (!_haveCurrentKey)
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{
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if (pthread_key_create(&_currentKey, NULL))
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throw SystemException("cannot allocate thread context key");
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_haveCurrentKey = true;
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}
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}
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ThreadImpl::~ThreadImpl()
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{
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if (_pTarget)
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pthread_detach(_thread);
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}
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void ThreadImpl::setPriorityImpl(int prio)
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{
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if (prio != _prio)
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{
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_prio = prio;
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if (_pTarget)
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{
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struct sched_param par;
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par.sched_priority = mapPrio(_prio);
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if (pthread_setschedparam(_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::startImpl(Runnable& target)
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{
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if (_pTarget) throw SystemException("thread already running");
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_pTarget = ⌖
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if (pthread_create(&_thread, NULL, entry, this))
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{
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_pTarget = 0;
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throw SystemException("cannot start thread");
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}
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if (_prio != PRIO_NORMAL_IMPL)
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{
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struct sched_param par;
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par.sched_priority = mapPrio(_prio);
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if (pthread_setschedparam(_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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if (!_pTarget) return;
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void* result;
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if (pthread_join(_thread, &result))
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throw SystemException("cannot join thread");
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_pTarget = 0;
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}
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bool ThreadImpl::isRunningImpl() const
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{
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return _pTarget != 0;
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}
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ThreadImpl* ThreadImpl::currentImpl()
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{
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if (_haveCurrentKey)
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return (ThreadImpl*) pthread_getspecific(_currentKey);
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else
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return 0;
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}
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void* ThreadImpl::entry(void* pThread)
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{
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pthread_setspecific(_currentKey, 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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try
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{
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reinterpret_cast<ThreadImpl*>(pThread)->_pTarget->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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return 0;
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}
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int ThreadImpl::mapPrio(int prio)
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{
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#if defined(__VMS) || defined(__digital__)
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static const int pmin = PRI_OTHER_MIN;
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static const int pmax = PRI_OTHER_MAX;
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#else
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static const int pmin = sched_get_priority_min(SCHED_OTHER);
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static const int pmax = sched_get_priority_max(SCHED_OTHER);
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#endif
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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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} // namespace Poco
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//
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// Thread_POSIX.cpp
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//
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// $Id: //poco/1.2/Foundation/src/Thread_POSIX.cpp#1 $
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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) 2004-2006, 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 <signal.h>
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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)
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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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pthread_key_t ThreadImpl::_currentKey;
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bool ThreadImpl::_haveCurrentKey = false;
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ThreadImpl::ThreadImpl():
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_pTarget(0),
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_thread(0),
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_prio(PRIO_NORMAL_IMPL)
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{
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if (!_haveCurrentKey)
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{
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if (pthread_key_create(&_currentKey, NULL))
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throw SystemException("cannot allocate thread context key");
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_haveCurrentKey = true;
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}
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}
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ThreadImpl::~ThreadImpl()
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{
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if (_pTarget)
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pthread_detach(_thread);
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}
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void ThreadImpl::setPriorityImpl(int prio)
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{
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if (prio != _prio)
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{
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_prio = prio;
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if (_pTarget)
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{
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struct sched_param par;
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par.sched_priority = mapPrio(_prio);
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if (pthread_setschedparam(_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::startImpl(Runnable& target)
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{
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if (_pTarget) throw SystemException("thread already running");
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_pTarget = ⌖
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if (pthread_create(&_thread, NULL, entry, this))
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{
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_pTarget = 0;
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throw SystemException("cannot start thread");
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}
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if (_prio != PRIO_NORMAL_IMPL)
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{
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struct sched_param par;
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par.sched_priority = mapPrio(_prio);
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if (pthread_setschedparam(_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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if (!_pTarget) return;
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void* result;
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if (pthread_join(_thread, &result))
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throw SystemException("cannot join thread");
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_pTarget = 0;
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}
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bool ThreadImpl::isRunningImpl() const
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{
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return _pTarget != 0;
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}
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ThreadImpl* ThreadImpl::currentImpl()
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{
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if (_haveCurrentKey)
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return (ThreadImpl*) pthread_getspecific(_currentKey);
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else
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return 0;
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}
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void* ThreadImpl::entry(void* pThread)
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{
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pthread_setspecific(_currentKey, 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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try
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{
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reinterpret_cast<ThreadImpl*>(pThread)->_pTarget->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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return 0;
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}
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int ThreadImpl::mapPrio(int prio)
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{
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#if defined(__VMS) || defined(__digital__)
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static const int pmin = PRI_OTHER_MIN;
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static const int pmax = PRI_OTHER_MAX;
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#else
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static const int pmin = sched_get_priority_min(SCHED_OTHER);
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static const int pmax = sched_get_priority_max(SCHED_OTHER);
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#endif
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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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} // namespace Poco
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||||
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Block a user