System.h

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00001 // $Header: /tmp/svngaudi/tmp.jEpFh25751/Gaudi/GaudiKernel/GaudiKernel/System.h,v 1.17 2008/10/28 10:40:19 marcocle Exp $
00002 #ifndef GAUDIKERNEL_SYSTEM_H
00003 #define GAUDIKERNEL_SYSTEM_H
00004 
00005 // Framework include files
00006 #include "GaudiKernel/Kernel.h"
00007 // STL include files
00008 #include <string>
00009 #include <vector>
00010 #include <typeinfo>
00011 
00012 #include "GaudiKernel/Timing.h"
00013 #include "GaudiKernel/ModuleInfo.h"
00014 
00015 #ifdef __linux
00016 # include <pthread.h>
00017 #ifndef __APPLE__
00018 # include <execinfo.h>
00019 #endif
00020 #endif
00021 
00030 namespace System  {
00032   typedef void* ImageHandle;
00034   typedef void* ProcessHandle;
00036   typedef unsigned long (*EntryPoint)(const unsigned long iid, void** ppvObject);
00038   typedef void* (*Creator)();
00040   GAUDI_API unsigned long loadDynamicLib(const std::string& name, ImageHandle* handle);
00042   GAUDI_API unsigned long unloadDynamicLib(ImageHandle handle);
00044   GAUDI_API unsigned long getProcedureByName(ImageHandle handle, const std::string& name, EntryPoint* pFunction);
00046   GAUDI_API unsigned long getProcedureByName(ImageHandle handle, const std::string& name, Creator* pFunction);
00048   GAUDI_API unsigned long getLastError();
00050   GAUDI_API const std::string getLastErrorString();
00052   GAUDI_API const std::string getErrorString(unsigned long error);
00054   GAUDI_API const std::string typeinfoName( const std::type_info& );
00055   GAUDI_API const std::string typeinfoName( const char* );
00057   GAUDI_API const std::string& hostName();
00059   GAUDI_API const std::string& osName();
00061   GAUDI_API const std::string& osVersion();
00063   GAUDI_API const std::string& machineType();
00065   GAUDI_API const std::string& accountName();
00067   GAUDI_API long numCmdLineArgs();
00069   GAUDI_API long argc();
00071   GAUDI_API const std::vector<std::string> cmdLineArgs();
00073   GAUDI_API char** argv();
00075   GAUDI_API const std::string getEnv(const char* var);
00077   GAUDI_API const std::vector<std::string> getEnv();
00083   GAUDI_API int setEnv(const std::string &name, const std::string &value, int overwrite = 1);
00084 #ifdef __linux
00086   typedef pthread_t ThreadHandle;
00088   inline ThreadHandle threadSelf() { return pthread_self(); }
00089 #else
00091   typedef void* ThreadHandle;
00093   inline ThreadHandle threadSelf() { return (void*)0; }
00094 #endif
00095   GAUDI_API int  backTrace(void** addresses, const int depth);
00096   GAUDI_API bool backTrace(std::string& btrace, const int depth, const int offset = 0);
00097   GAUDI_API bool getStackLevel(void* addresses, void*& addr, std::string& fnc, std::string& lib) ;
00098 
00099 #if __GNUC__ >= 4
00112   template <typename DESTPTR, typename SRCPTR>
00113   inline DESTPTR FuncPtrCast(SRCPTR ptr) {
00114     union {
00115       SRCPTR src;
00116       DESTPTR dst;
00117     } p2p;
00118     p2p.src = ptr;
00119     return p2p.dst;
00120   }
00121 #endif
00122 }
00123 #endif    // SYSTEM_SYSTEM_H
Gaudi Framework, version v21r9

System.h
