| /* |
| * 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 <string.h> |
| #include <sys/types.h> |
| |
| #include "Threads.h" |
| #include "Timeval.h" |
| #include "Logger.h" |
| |
| #ifndef gettid |
| #include <sys/syscall.h> |
| #define gettid() syscall(SYS_gettid) |
| #endif |
| |
| |
| 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 set_selfthread_name(const char *name) |
| { |
| pthread_t selfid = pthread_self(); |
| pid_t tid = 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::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 |