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