lib-during/utils/io-lock.h
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00001 /******************************************************************** 00002 * Copyright (C) 2011 by Verimag * 00003 * Initial author: Matthieu Moy * 00004 * This file must not be distributed outside Verimag * 00005 ********************************************************************/ 00006 00013 #ifndef IO_LOCK_H 00014 #define IO_LOCK_H 00015 00016 #include <boost/thread.hpp> 00017 #include <iostream> 00018 00023 template<int fd> 00024 class cout_lock { 00025 public: 00026 cout_lock() : i(0) {m_mut.lock();} 00027 ~cout_lock() {m_mut.unlock();} 00028 void incr() {i++;} 00029 bool stop() {return i < 1;} 00030 private: 00031 int i; 00032 static boost::mutex m_mut; 00033 }; 00034 00035 template<int fd> 00036 boost::mutex cout_lock<fd>::m_mut; 00037 00043 #define L_COUT \ 00044 for (cout_lock<1> cout_lock_instance; \ 00045 cout_lock_instance.stop(); \ 00046 cout_lock_instance.incr()) std::cout 00047 00051 #define L_CERR \ 00052 for (cout_lock<2> cout_lock_instance; \ 00053 cout_lock_instance.stop(); \ 00054 cout_lock_instance.incr()) std::cerr 00055 00059 #ifdef SC_DURING_DEBUG 00060 #define D_COUT L_COUT 00061 #else 00062 #define D_COUT if (0) L_COUT 00063 #endif 00064 00065 #endif // IO_LOCK_H
