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authorAntonio Juarez <antonio.maria.juarez@live.com>2014-03-03 22:07:58 +0000
committerAntonio Juarez <antonio.maria.juarez@live.com>2014-03-03 22:07:58 +0000
commit296ae46ed8f8f6e5f986f978febad302e3df231a (patch)
tree1629164454a239308f33c9e12afb22e7f3cd8eeb /contrib/epee/include/reg_exp_definer.h
parentchanged name (diff)
downloadmonero-296ae46ed8f8f6e5f986f978febad302e3df231a.tar.xz
moved all stuff to github
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+// Copyright (c) 2006-2013, Andrey N. Sabelnikov, www.sabelnikov.net
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the distribution.
+// * Neither the name of the Andrey N. Sabelnikov nor the
+// names of its contributors may be used to endorse or promote products
+// derived from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER BE LIABLE FOR ANY
+// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+
+
+#ifndef _REG_EXP_DEFINER_H_
+#define _REG_EXP_DEFINER_H_
+
+#include <boost/interprocess/detail/atomic.hpp>
+
+
+namespace epee
+{
+ class global_regexp_critical_section
+ {
+ private:
+ mutable critical_section regexp_lock;
+ public:
+ global_regexp_critical_section(){}
+ critical_section& get_lock()const {return regexp_lock;}
+ };
+
+ const static global_regexp_critical_section gregexplock;
+
+#define STATIC_REGEXP_EXPR_1(var_name, xpr_text, reg_exp_flags) \
+ static volatile boost::uint32_t regexp_initialized_1 = 0;\
+ volatile boost::uint32_t local_is_initialized_1 = regexp_initialized_1;\
+ if(!local_is_initialized_1)\
+ gregexplock.get_lock().lock();\
+ static const boost::regex var_name(xpr_text , reg_exp_flags);\
+ if(!local_is_initialized_1)\
+{\
+ boost::interprocess::ipcdetail::atomic_write32(&regexp_initialized_1, 1);\
+ gregexplock.get_lock().unlock();\
+}
+
+#define STATIC_REGEXP_EXPR_2(var_name, xpr_text, reg_exp_flags) \
+ static volatile boost::uint32_t regexp_initialized_2 = 0;\
+ volatile boost::uint32_t local_is_initialized_2 = regexp_initialized_2;\
+ if(!local_is_initialized_2)\
+ gregexplock.get_lock().lock().lock();\
+ static const boost::regex var_name(xpr_text , reg_exp_flags);\
+ if(!local_is_initialized_2)\
+{\
+ boost::interprocess::ipcdetail::atomic_write32(&regexp_initialized_2, 1);\
+ gregexplock.get_lock().lock().unlock();\
+}
+
+#define STATIC_REGEXP_EXPR_3(var_name, xpr_text, reg_exp_flags) \
+ static volatile boost::uint32_t regexp_initialized_3 = 0;\
+ volatile boost::uint32_t local_is_initialized_3 = regexp_initialized_3;\
+ if(!local_is_initialized_3)\
+ gregexplock.get_lock().lock().lock();\
+ static const boost::regex var_name(xpr_text , reg_exp_flags);\
+ if(!local_is_initialized_3)\
+{\
+ boost::interprocess::ipcdetail::atomic_write32(&regexp_initialized_3, 1);\
+ gregexplock.get_lock().lock().unlock();\
+}
+}
+
+#endif //_REG_EXP_DEFINER_H_