Geant4  10.02
G4ios.cc
Go to the documentation of this file.
1 //
2 // ********************************************************************
3 // * License and Disclaimer *
4 // * *
5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. *
10 // * *
11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitation of liability. *
17 // * *
18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Software license. *
24 // ********************************************************************
25 //
26 //
27 // $Id: G4ios.cc 78780 2014-01-23 13:55:15Z gcosmo $
28 //
29 //
30 // --------------------------------------------------------------
31 // GEANT 4 class implementation file
32 //
33 // G4ios.cc
34 //
35 // History 1998 Nov. 3 Masayasu Nagamatu
36 
37 #include "G4ios.hh"
38 #include "G4strstreambuf.hh"
39 
40 #ifdef G4MULTITHREADED
41  G4ThreadLocal G4strstreambuf *G4coutbuf_p = 0;
42  G4ThreadLocal G4strstreambuf *G4cerrbuf_p = 0;
43  G4ThreadLocal std::ostream *G4cout_p = 0;
44  G4ThreadLocal std::ostream *G4cerr_p = 0;
45  #define G4coutbuf (*G4coutbuf_p)
46  #define G4cerrbuf (*G4cerrbuf_p)
47  #define G4cout (*G4cout_p)
48  #define G4cerr (*G4cerr_p)
49 
50  void G4iosInitialization()
51  {
52  if (G4coutbuf_p == 0) G4coutbuf_p = new G4strstreambuf;
53  if (G4cerrbuf_p == 0) G4cerrbuf_p = new G4strstreambuf;
54  if (G4cout_p == 0) G4cout_p = new std::ostream(G4coutbuf_p);
55  if (G4cerr_p == 0) G4cerr_p = new std::ostream(G4cerrbuf_p);
56  }
57 
58  void G4iosFinalization()
59  {
60  delete G4cout_p; G4cout_p = 0;
61  delete G4cerr_p; G4cerr_p = 0;
62  delete G4coutbuf_p; G4coutbuf_p = 0;
63  delete G4cerrbuf_p; G4cerrbuf_p = 0;
64  }
65 
66  // These two functions are guaranteed to be called at load and
67  // unload of the library containing this code.
68  namespace
69  {
70 #ifndef WIN32
71  void setupG4ioSystem(void) __attribute__ ((constructor));
72  void cleanupG4ioSystem(void) __attribute__((destructor));
73 #endif
74  void setupG4ioSystem(void) { G4iosInitialization(); }
75  void cleanupG4ioSystem(void) { G4iosFinalization(); }
76  }
77 
78 #else // Sequential
79 
82  std::ostream G4cout(&G4coutbuf);
83  std::ostream G4cerr(&G4cerrbuf);
84 
87 
88 #endif
G4strstreambuf G4cerrbuf
Definition: G4ios.cc:81
void G4iosFinalization()
Definition: G4ios.cc:86
#define G4ThreadLocal
Definition: tls.hh:89
void G4iosInitialization()
Definition: G4ios.cc:85
G4GLOB_DLL std::ostream G4cout
G4strstreambuf G4coutbuf
Definition: G4ios.cc:80
G4GLOB_DLL std::ostream G4cerr