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System.h
Go to the documentation of this file.
1 #ifndef GAUDIKERNEL_SYSTEM_H
2 #define GAUDIKERNEL_SYSTEM_H
3
4 // Framework include files
5 #include "GaudiKernel/Kernel.h"
6 // STL include files
7 #include <string>
8 #include <typeinfo>
9 #include <vector>
10
11 #include "GaudiKernel/ModuleInfo.h"
12 #include "GaudiKernel/Timing.h"
13
14 #ifdef __linux
15 #include <pthread.h>
16 #ifndef __APPLE__
17 #include <execinfo.h>
18 #endif
19 #endif
20
29 namespace System
30 {
32 typedef void* ImageHandle;
34 typedef void* ProcessHandle;
36 typedef unsigned long ( *EntryPoint )( const unsigned long iid, void** ppvObject );
38 typedef void* ( *Creator )();
40 GAUDI_API unsigned long loadDynamicLib( const std::string& name, ImageHandle* handle );
42 GAUDI_API unsigned long unloadDynamicLib( ImageHandle handle );
44 GAUDI_API unsigned long getProcedureByName( ImageHandle handle, const std::string& name, EntryPoint* pFunction );
46 GAUDI_API unsigned long getProcedureByName( ImageHandle handle, const std::string& name, Creator* pFunction );
48 GAUDI_API unsigned long getLastError();
50 GAUDI_API const std::string getLastErrorString();
52 GAUDI_API const std::string getErrorString( unsigned long error );
54 GAUDI_API const std::string typeinfoName( const std::type_info& );
55 GAUDI_API const std::string typeinfoName( const char* );
57 GAUDI_API const std::string& hostName();
59 GAUDI_API const std::string& osName();
61 GAUDI_API const std::string& osVersion();
63 GAUDI_API const std::string& machineType();
65 // 0 = 80386 instruction set
66 // 1 or above = SSE (XMM) supported by CPU (not testing for O.S. support)
67 // 2 or above = SSE2
68 // 3 or above = SSE3
69 // 4 or above = Supplementary SSE3 (SSSE3)
70 // 5 or above = SSE4.1
71 // 6 or above = SSE4.2
72 // 7 or above = AVX supported by CPU and operating system
73 // 8 or above = AVX2
74 // 9 or above = AVX512F
75 GAUDI_API int instructionsetLevel();
77 GAUDI_API const std::string& accountName();
79 GAUDI_API long numCmdLineArgs();
81 GAUDI_API long argc();
83 GAUDI_API const std::vector<std::string> cmdLineArgs();
85 GAUDI_API char** argv();
87 GAUDI_API std::string getEnv( const char* var );
90 GAUDI_API bool getEnv( const char* var, std::string& value );
91 inline bool getEnv( const std::string& var, std::string& value ) { return getEnv( var.c_str(), value ); }
93 GAUDI_API std::vector<std::string> getEnv();
99 GAUDI_API int setEnv( const std::string& name, const std::string& value, int overwrite = 1 );
101 GAUDI_API bool isEnvSet( const char* var );
102 #ifdef __linux
103 typedef pthread_t ThreadHandle;
106 inline ThreadHandle threadSelf() { return pthread_self(); }
107 #else
108 typedef void* ThreadHandle;
111 inline ThreadHandle threadSelf() { return (void*)0; }
112 #endif
113 GAUDI_API int backTrace( void** addresses, const int depth );
114 GAUDI_API bool backTrace( std::string& btrace, const int depth, const int offset = 0 );
115 GAUDI_API bool getStackLevel( void* addresses, void*& addr, std::string& fnc, std::string& lib );
116
117 #if __GNUC__ >= 4
118 template <typename DESTPTR, typename SRCPTR>
131 inline DESTPTR FuncPtrCast( SRCPTR ptr )
132 {
133 union {
134 SRCPTR src;
135 DESTPTR dst;
136 } p2p;
137 p2p.src = ptr;
138 return p2p.dst;
139 }
140 #endif
141 }
142 #endif // SYSTEM_SYSTEM_H
System::getEnv
GAUDI_API std::string getEnv(const char *var)
get a particular environment variable (returning "UNKNOWN" if not set)
Definition: System.cpp:581
System::argc
GAUDI_API long argc()
Number of arguments passed to the commandline (==numCmdLineArgs()); just to match argv call...
Definition: System.cpp:499
System::argv
GAUDI_API char ** argv()
char** command line arguments including executable name as arg[0]; You may not modify them! ...
Definition: System.cpp:563
Kernel.h
System::getErrorString
GAUDI_API const std::string getErrorString(unsigned long error)
Retrieve error code as string for a given error.
Definition: System.cpp:298
System::setEnv
GAUDI_API int setEnv(const std::string &name, const std::string &value, int overwrite=1)
Set an environment variables.
Definition: System.cpp:704
System::getLastError
GAUDI_API unsigned long getLastError()
Get last system known error.
Definition: System.cpp:280
System::getProcedureByName
GAUDI_API unsigned long getProcedureByName(ImageHandle handle, const std::string &name, EntryPoint *pFunction)
Get a specific function defined in the DLL.
Definition: System.cpp:223
gaudiComponentHelp.name
name
Definition: gaudiComponentHelp.py:32
System::getStackLevel
GAUDI_API bool getStackLevel(void *addresses, void *&addr, std::string &fnc, std::string &lib)
System::typeinfoName
GAUDI_API const std::string typeinfoName(const std::type_info &)
Get platform independent information about the class type.
Definition: System.cpp:329
System::instructionsetLevel
GAUDI_API int instructionsetLevel()
Instruction Set "Level".
Definition: System.cpp:469
System
Note: OS specific details for environment resolution.
Definition: Debugger.h:19
System::ThreadHandle
void * ThreadHandle
A Thread handle.
Definition: System.h:109
System::accountName
GAUDI_API const std::string & accountName()
User login name.
Definition: System.cpp:476
ModuleInfo.h
System::ImageHandle
void * ImageHandle
Definition of an image handle.
Definition: ModuleInfo.h:31
System::backTrace
GAUDI_API int backTrace(void **addresses, const int depth)
std::type_info
std::string
STL class.
System::numCmdLineArgs
GAUDI_API long numCmdLineArgs()
Number of arguments passed to the commandline.
Definition: System.cpp:496
System::osName
GAUDI_API const std::string & osName()
OS name.
Definition: System.cpp:410
System::unloadDynamicLib
GAUDI_API unsigned long unloadDynamicLib(ImageHandle handle)
unload dynamic link library
Definition: System.cpp:197
System::isEnvSet
GAUDI_API bool isEnvSet(const char *var)
Check if an environment variable is set or not.
Definition: System.cpp:603
Timing.h
ReadAndWriteWhiteBoard.dst
dst
Definition: ReadAndWriteWhiteBoard.py:17
System::hostName
GAUDI_API const std::string & hostName()
Host name.
Definition: System.cpp:403
System::Creator
void *(* Creator)()
Definition of the "generic" DLL entry point function.
Definition: System.h:38
std::vector< std::string >
System::threadSelf
ThreadHandle threadSelf()
thread handle "accessor"
Definition: System.h:111
std::string::c_str
T c_str(T...args)
System::cmdLineArgs
GAUDI_API const std::vector< std::string > cmdLineArgs()
Command line arguments including executable name as arg[0] as vector of strings.
Definition: System.cpp:502
System::osVersion
GAUDI_API const std::string & osVersion()
OS version.
Definition: System.cpp:427
System::getLastErrorString
GAUDI_API const std::string getLastErrorString()
Get last system error as string.
Definition: System.cpp:291
System::machineType
GAUDI_API const std::string & machineType()
Machine type.
Definition: System.cpp:449
GAUDI_API
#define GAUDI_API
Definition: Kernel.h:110
System::ProcessHandle
void * ProcessHandle
Definition of the process handle.
Definition: ModuleInfo.h:33
System::loadDynamicLib
GAUDI_API unsigned long loadDynamicLib(const std::string &name, ImageHandle *handle)
Load dynamic link library.
Definition: System.cpp:147
System::EntryPoint
unsigned long(* EntryPoint)(const unsigned long iid, void **ppvObject)
Definition of the "generic" DLL entry point function.
Definition: System.h:36