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/*
* Copyright 2008 Free Software Foundation, Inc.
*
* SPDX-License-Identifier: AGPL-3.0+
*
* 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 <string.h>
#include <sys/types.h>
#include "Threads.h"
#include "Timeval.h"
#include "Logger.h"
extern "C" {
#include <osmocom/core/thread.h>
}
using namespace std;
#ifndef HAVE_ATOMIC_OPS
pthread_mutex_t atomic_ops_mutex = PTHREAD_MUTEX_INITIALIZER;
#endif
Mutex gStreamLock; ///< Global lock to control access to cout and cerr.
void lockCout()
{
gStreamLock.lock();
Timeval entryTime;
cout << entryTime << " " << osmo_gettid() << ": ";
}
void unlockCout()
{
cout << dec << endl << flush;
gStreamLock.unlock();
}
void lockCerr()
{
gStreamLock.lock();
Timeval entryTime;
cerr << entryTime << " " << osmo_gettid() << ": ";
}
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 set_selfthread_name(const char *name)
{
pthread_t selfid = pthread_self();
pid_t tid = osmo_gettid();
if (pthread_setname_np(selfid, name) == 0) {
LOG(INFO) << "Thread "<< selfid << " (task " << tid << ") set name: " << name;
} else {
char buf[256];
int err = errno;
char* err_str = strerror_r(err, buf, sizeof(buf));
LOG(NOTICE) << "Thread "<< selfid << " (task " << tid << ") set name \"" << name << "\" failed: (" << err << ") " << err_str;
}
}
void thread_enable_cancel(bool cancel)
{
cancel ? pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) :
pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL);
}
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);
if (mStackSize != 0) {
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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