148 lines
3.3 KiB
C++
148 lines
3.3 KiB
C++
/*
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* Copyright 2008 Free Software Foundation, Inc.
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*
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* SPDX-License-Identifier: AGPL-3.0+
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*
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* This software is distributed under the terms of the GNU Affero Public License.
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* See the COPYING file in the main directory for details.
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*
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* This use of this software may be subject to additional restrictions.
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* See the LEGAL file in the main directory for details.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <string.h>
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#include <sys/types.h>
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#include "Threads.h"
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#include "Timeval.h"
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#include "Logger.h"
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#include <osmocom/core/thread.h>
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using namespace std;
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#ifndef HAVE_ATOMIC_OPS
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pthread_mutex_t atomic_ops_mutex = PTHREAD_MUTEX_INITIALIZER;
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#endif
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Mutex gStreamLock; ///< Global lock to control access to cout and cerr.
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void lockCout()
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{
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gStreamLock.lock();
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Timeval entryTime;
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cout << entryTime << " " << pthread_self() << ": ";
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}
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void unlockCout()
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{
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cout << dec << endl << flush;
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gStreamLock.unlock();
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}
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void lockCerr()
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{
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gStreamLock.lock();
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Timeval entryTime;
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cerr << entryTime << " " << pthread_self() << ": ";
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}
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void unlockCerr()
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{
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cerr << dec << endl << flush;
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gStreamLock.unlock();
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}
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Mutex::Mutex()
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{
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bool res;
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res = pthread_mutexattr_init(&mAttribs);
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assert(!res);
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res = pthread_mutexattr_settype(&mAttribs,PTHREAD_MUTEX_RECURSIVE);
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assert(!res);
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res = pthread_mutex_init(&mMutex,&mAttribs);
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assert(!res);
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}
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Mutex::~Mutex()
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{
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pthread_mutex_destroy(&mMutex);
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bool res = pthread_mutexattr_destroy(&mAttribs);
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assert(!res);
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}
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/** Block for the signal up to the cancellation timeout. */
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void Signal::wait(Mutex& wMutex, unsigned timeout) const
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{
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Timeval then(timeout);
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struct timespec waitTime = then.timespec();
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pthread_cond_timedwait(&mSignal,&wMutex.mMutex,&waitTime);
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}
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void set_selfthread_name(const char *name)
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{
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pthread_t selfid = pthread_self();
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pid_t tid = osmo_gettid();
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if (pthread_setname_np(selfid, name) == 0) {
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LOG(INFO) << "Thread "<< selfid << " (task " << tid << ") set name: " << name;
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} else {
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char buf[256];
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int err = errno;
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char* err_str = strerror_r(err, buf, sizeof(buf));
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LOG(NOTICE) << "Thread "<< selfid << " (task " << tid << ") set name \"" << name << "\" failed: (" << err << ") " << err_str;
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}
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}
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void thread_enable_cancel(bool cancel)
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{
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cancel ? pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) :
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pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL);
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}
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void Thread::start(void *(*task)(void*), void *arg)
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{
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assert(mThread==((pthread_t)0));
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bool res;
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// (pat) Moved initialization to constructor to avoid crash in destructor.
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//res = pthread_attr_init(&mAttrib);
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//assert(!res);
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if (mStackSize != 0) {
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res = pthread_attr_setstacksize(&mAttrib, mStackSize);
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assert(!res);
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}
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res = pthread_create(&mThread, &mAttrib, task, arg);
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assert(!res);
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}
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// vim: ts=4 sw=4
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