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/*
* Copyright 2008 Free Software Foundation, Inc.
*
*
* This software is distributed under the terms of the GNU Affero Public License.
* See the COPYING file in the main directory for details.
*
* This use of this software may be subject to additional restrictions.
* See the LEGAL file in the main directory for details.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "Threads.h"
#include "Timeval.h"
using namespace std;
Mutex gStreamLock; ///< Global lock to control access to cout and cerr.
void lockCout()
{
gStreamLock.lock();
Timeval entryTime;
cout << entryTime << " " << pthread_self() << ": ";
}
void unlockCout()
{
cout << dec << endl << flush;
gStreamLock.unlock();
}
void lockCerr()
{
gStreamLock.lock();
Timeval entryTime;
cerr << entryTime << " " << pthread_self() << ": ";
}
void unlockCerr()
{
cerr << dec << endl << flush;
gStreamLock.unlock();
}
Mutex::Mutex()
{
bool res;
res = pthread_mutexattr_init(&mAttribs);
assert(!res);
res = pthread_mutexattr_settype(&mAttribs,PTHREAD_MUTEX_RECURSIVE);
assert(!res);
res = pthread_mutex_init(&mMutex,&mAttribs);
assert(!res);
}
Mutex::~Mutex()
{
pthread_mutex_destroy(&mMutex);
bool res = pthread_mutexattr_destroy(&mAttribs);
assert(!res);
}
/** Block for the signal up to the cancellation timeout. */
void Signal::wait(Mutex& wMutex, unsigned timeout) const
{
Timeval then(timeout);
struct timespec waitTime = then.timespec();
pthread_cond_timedwait(&mSignal,&wMutex.mMutex,&waitTime);
}
void Thread::start(void *(*task)(void*), void *arg)
{
assert(mThread==((pthread_t)0));
bool res;
// (pat) Moved initialization to constructor to avoid crash in destructor.
//res = pthread_attr_init(&mAttrib);
//assert(!res);
res = pthread_attr_setstacksize(&mAttrib, mStackSize);
assert(!res);
res = pthread_create(&mThread, &mAttrib, task, arg);
assert(!res);
}
// vim: ts=4 sw=4
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