GNU Radio 3.2.2 C++ API
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00001 /* -*- c++ -*- */ 00002 /* 00003 * Copyright 2007,2008 Free Software Foundation, Inc. 00004 * 00005 * This file is part of GNU Radio 00006 * 00007 * GNU Radio is free software; you can redistribute it and/or modify 00008 * it under the terms of the GNU General Public License as published by 00009 * the Free Software Foundation; either version 3, or (at your option) 00010 * any later version. 00011 * 00012 * GNU Radio is distributed in the hope that it will be useful, 00013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00015 * GNU General Public License for more details. 00016 * 00017 * You should have received a copy of the GNU General Public License along 00018 * with this program; if not, write to the Free Software Foundation, Inc., 00019 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 00020 */ 00021 00022 #ifndef INCLUDED_MBI_RUNTIME_LOCK_H 00023 #define INCLUDED_MBI_RUNTIME_LOCK_H 00024 00025 #include <mblock/runtime.h> 00026 #include <mb_mblock_impl.h> 00027 #include <boost/utility.hpp> 00028 00029 /*! 00030 * \brief acquire and release big runtime lock 00031 * 00032 * As an alternative to: 00033 * { 00034 * rt->lock(); 00035 * ..... 00036 * rt->unlock(); 00037 * } 00038 * 00039 * you can use a single instance of the mbi_runtime_lock class: 00040 * 00041 * { 00042 * mbi_runtime_lock l(rt); 00043 * .... 00044 * } 00045 * 00046 * This has the advantage that rt->unlock() will be called automatically 00047 * when an exception is thrown. 00048 */ 00049 00050 class mbi_runtime_lock : boost::noncopyable { 00051 mb_runtime_base *d_rt; 00052 public: 00053 mbi_runtime_lock(mb_runtime_base *rt) : d_rt(rt) { d_rt->lock(); } 00054 mbi_runtime_lock(mb_mblock_impl *mi) : d_rt(mi->runtime()) { d_rt->lock(); } 00055 mbi_runtime_lock(mb_mblock *mb) : d_rt(mb->impl()->runtime()) { d_rt->lock(); } 00056 ~mbi_runtime_lock(void) { d_rt->unlock(); } 00057 00058 }; 00059 00060 #endif /* INCLUDED_MBI_RUNTIME_LOCK_H */ 00061