forked from I2P_Developers/i2p.i2p
new library
This commit is contained in:
mpc
@@ -1,184 +0,0 @@
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/*
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* Copyright (c) 2004, Matthew P. Cashdollar <mpc@innographx.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the author nor the names of any contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
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* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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// Based on JThread by Jori Liesenborgs (MIT License) and SAM Threads (public
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// domain) by Nickster
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// JThread license: (just in case this is necessary)
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/*
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This file is a part of the JThread package, which contains some object-
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oriented thread wrappers for different thread implementations.
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Copyright (c) 2000-2001 Jori Liesenborgs (jori@lumumba.luc.ac.be)
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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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 AND NONINFRINGEMENT. IN NO EVENT SHALL
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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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 "platform.hpp"
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#include "thread.hpp"
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Thread::Thread(void)
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{
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retval = 0;
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running = false;
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}
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Thread::~Thread(void)
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{
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kill();
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}
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/*
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* Gets the return value of a finished thread
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*/
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void* Thread::get_retval(void)
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{
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void* val;
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running_m.lock();
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if (running)
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val = 0;
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else
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val = retval;
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running_m.unlock();
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return val;
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}
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/*
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* Checks if the thread is running
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*
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* Returns: true if it is running, false if it isn't
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*/
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bool Thread::is_running(void)
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{
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running_m.lock();
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bool r = running;
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running_m.unlock();
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return r;
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}
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/*
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* Stops the thread
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* Generally NOT a good idea
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*/
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void Thread::kill(void)
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{
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running_m.lock();
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assert(running);
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#ifdef WINTHREADS
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if (!TerminateThread(handle, 0)) {
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TCHAR str[80];
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LERROR << win_strerror(str, sizeof str) << '\n';
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throw runtime_error(str);
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}
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#else
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int rc = pthread_cancel(id);
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if (rc != 0) {
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LERROR << strerror(rc);
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throw runtime_error(strerror(rc));
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}
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#endif
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running = false;
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running_m.unlock();
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}
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/*
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* Starts the thread
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*/
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void Thread::start(void)
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{
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#ifndef NDEBUG
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// check whether the thread is already running
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running_m.lock();
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assert(!running);
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running_m.unlock();
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#endif
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continue_m.lock();
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#ifdef WINTHREADS
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handle = CreateThread(NULL, 0, &the_thread, this, 0, &id);
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if (handle == NULL) {
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TCHAR str[80];
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LERROR << win_strerror(str, sizeof str) << '\n';
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throw runtime_error(str);
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}
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#else
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int rc = pthread_create(&id, NULL, &the_thread, this);
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if (rc != 0) {
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continue_m.unlock();
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LERROR << strerror(rc) << '\n';
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throw runtime_error(strerror(rc));
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}
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#endif
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// Wait until `running' is set
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running_m.lock();
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while (!running) {
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running_m.unlock();
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running_m.lock();
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}
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running_m.unlock();
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continue_m.unlock();
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}
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/*
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* Wrapper for the thread
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*/
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void* Thread::the_thread(void *param)
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{
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Thread* t = static_cast<Thread*>(param);
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t->running_m.lock();
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t->running = true;
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t->running_m.unlock();
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// wait until we can continue
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t->continue_m.lock();
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t->continue_m.unlock();
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void* ret = t->execute();
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t->running_m.lock();
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t->running = false;
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t->retval = ret;
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t->running_m.unlock();
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return 0;
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}
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@@ -1,60 +0,0 @@
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/*
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* Copyright (c) 2004, Matthew P. Cashdollar <mpc@innographx.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the author nor the names of any contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
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* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef THREAD_HPP
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#define THREAD_HPP
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class Thread {
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public:
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Thread(void);
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virtual ~Thread(void);
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virtual void *execute(void) = 0;
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void* get_retval(void);
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bool is_running(void);
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void kill(void);
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void start(void);
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private:
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#ifdef WINTHREADS
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static DWORD WINAPI the_thread(void* param);
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HANDLE handle;
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DWORD id;
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#else
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static void* the_thread(void* param);
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pthread_t id;
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#endif
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void *retval;
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bool running;
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Mutex running_m;
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Mutex continue_m;
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};
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#endif // THREAD_HPP
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