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/*
* Copyright 2008 Free Software Foundation, Inc.
*
* This software is distributed under the terms of the GNU Public License.
* See the COPYING 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 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 General Public License for more details.
You should have received a copy of the GNU 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()
{
assert(!pthread_mutexattr_init(&mAttribs));
assert(!pthread_mutexattr_settype(&mAttribs,PTHREAD_MUTEX_RECURSIVE));
assert(!pthread_mutex_init(&mMutex,&mAttribs));
}
Mutex::~Mutex()
{
pthread_mutex_destroy(&mMutex);
assert(!pthread_mutexattr_destroy(&mAttribs));
}
/** Block for the signal up to the cancellation timeout. */
void Signal::wait(Mutex& wMutex, unsigned timeout) const
{
struct timespec waitTime = Timeval(timeout).timespec();
// FIXME -- With -O3 optimzation in OS X this doesn't block. See bug #320.
pthread_cond_timedwait(&mSignal,&wMutex.mMutex,&waitTime);
}
void Thread::start(void *(*task)(void*), void *arg)
{
assert(mThread==((pthread_t)0));
assert(!pthread_attr_init(&mAttrib));
assert(!pthread_attr_setstacksize(&mAttrib, mStackSize));
assert(!pthread_create(&mThread, &mAttrib, task, arg));
}
// vim: ts=4 sw=4
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