Gnash 0.8.9

utility.h

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00001 // utility.h -- Various little utility functions, macros & typedefs.
00002 // 
00003 //   Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010,
00004 //   2011 Free Software Foundation, Inc
00005 // 
00006 // This program is free software; you can redistribute it and/or modify
00007 // it under the terms of the GNU General Public License as published by
00008 // the Free Software Foundation; either version 3 of the License, or
00009 // (at your option) any later version.
00010 // 
00011 // This program is distributed in the hope that it will be useful,
00012 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014 // GNU General Public License for more details.
00015 // 
00016 // You should have received a copy of the GNU General Public License
00017 // along with this program; if not, write to the Free Software
00018 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
00019 
00020 #ifndef GNASH_UTILITY_H
00021 #define GNASH_UTILITY_H
00022 
00023 // HAVE_FINITE, HAVE_PTHREADS, WIN32, NDEBUG etc.
00024 #ifdef HAVE_CONFIG_H
00025 #include "gnashconfig.h"
00026 #endif
00027 
00028 #include <cstdlib>
00029 #include <cassert>
00030 #include <cstring>
00031 #include <string>
00032 #include <typeinfo>
00033 
00034 #ifdef HAVE_PTHREADS
00035 #include <pthread.h>
00036 #endif
00037 
00038 #if defined(__GNUC__) && __GNUC__ > 2
00039 #  include <cxxabi.h>
00040 #endif
00041 
00042 #if defined(_WIN32) || defined(WIN32)
00043 #ifndef NDEBUG
00044 
00045 // On windows, replace ANSI assert with our own, for a less annoying
00046 // debugging experience.
00047 #ifndef __MINGW32__
00048 #undef assert
00049 #define assert(x)       if (!(x)) { __asm { int 3 } }
00050 #endif
00051 #endif // not NDEBUG
00052 #endif // _WIN32
00053 
00054 #ifdef __amigaos4__
00055 #include <stdio.h> //for FILE * in tu_file.h
00056 #include <fcntl.h> //for fcntl in Socket.cpp
00057 #include <netdb.h> //for hostent in Socket.cpp
00058 #include <netinet/tcp.h> //for TCP_NODELAY in Socket.cpp
00059 #undef UNUSED //to avoid "already defined" messages
00060 #define SHUT_RDWR 0
00061 
00062 namespace std
00063 {
00064         typedef std::basic_string<wchar_t> wstring;
00065 };
00066 #endif
00067 
00068 #if defined(__HAIKU__)
00069 namespace std {
00070         class wstring : public std::basic_string<char>
00071         {
00072         public:
00073                 wstring(const char *t)
00074                         : std::basic_string<char>(t)
00075                 {
00076                 }
00077                 wstring()
00078                 {
00079                 }
00080                 wstring(const wstring &that)
00081                         : std::basic_string<char>(that.c_str())
00082                 {
00083                 }
00084                 wstring(const std::basic_string<char> &that)
00085                         : std::basic_string<char>(that)
00086                 {
00087                 }
00088         };
00089 };
00090 #endif
00091 
00092 namespace gnash {
00093 
00096 template <class T>
00097 std::string typeName(const T& inst)
00098 {
00099         std::string typeName = typeid(inst).name();
00100 #if defined(__GNUC__) && __GNUC__ > 2
00101         int status;
00102         char* typeNameUnmangled = 
00103                 abi::__cxa_demangle (typeName.c_str(), NULL, NULL,
00104                                      &status);
00105         if (status == 0)
00106         {
00107                 typeName = typeNameUnmangled;
00108                 std::free(typeNameUnmangled);
00109         }
00110 #endif // __GNUC__ > 2
00111         return typeName;
00112 }
00113 
00115 #ifdef HAVE_PTHREADS
00116 #else
00117 # ifdef _WIN32
00118 } // end namespace gnash
00119 extern "C" unsigned long int /* DWORD WINAPI */ GetCurrentThreadId(void);
00120 namespace gnash {
00121 # else
00122 /* getpid() */
00123 #include <sys/types.h>
00124 #include <unistd.h>
00125 # endif
00126 #endif
00127 
00128 inline unsigned long int /* pthread_t */ get_thread_id(void)
00129 {
00130 #ifdef HAVE_PTHREADS
00131 # ifdef __APPLE_CC__
00132     return reinterpret_cast<unsigned long int>(pthread_self());
00133 # else
00134     // This isn't a proper style C++ cast, but FreeBSD has a problem with
00135     // static_cast for this as pthread_self() returns a pointer. We can
00136     // use that too, this ID is only used for the log file to keep output
00137     // from seperare threads clear.
00138 # ifdef _WIN32
00139     return GetCurrentThreadId();
00140 #else
00141     return (unsigned long int)pthread_self();
00142 #endif
00143 # endif 
00144 #else
00145 # ifdef _WIN32
00146     return GetCurrentThreadId();
00147 # else
00148     return static_cast<unsigned long int>(getpid());
00149 # endif
00150 #endif
00151 }
00152 
00153 } // namespace gnash
00154 
00155 // Handy macro to quiet compiler warnings about unused parameters/variables.
00156 #define UNUSED(x) static_cast<void>((x))
00157 
00158 #endif 
00159 
00160 
00161 // Local Variables:
00162 // mode: C++
00163 // c-basic-offset: 8 
00164 // tab-width: 8
00165 // indent-tabs-mode: t
00166 // End: