MPQC 2.3.1

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exenv.h

    00001 //
    00002 // exenv.h
    00003 //
    00004 // Copyright (C) 1997 Limit Point Systems, Inc.
    00005 //
    00006 // Author: Curtis Janssen <cljanss@limitpt.com>
    00007 // Maintainer: LPS
    00008 //
    00009 // This file is part of the SC Toolkit.
    00010 //
    00011 // The SC Toolkit is free software; you can redistribute it and/or modify
    00012 // it under the terms of the GNU Library General Public License as published by
    00013 // the Free Software Foundation; either version 2, or (at your option)
    00014 // any later version.
    00015 //
    00016 // The SC Toolkit is distributed in the hope that it will be useful,
    00017 // but WITHOUT ANY WARRANTY; without even the implied warranty of
    00018 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    00019 // GNU Library General Public License for more details.
    00020 //
    00021 // You should have received a copy of the GNU Library General Public License
    00022 // along with the SC Toolkit; see the file COPYING.LIB.  If not, write to
    00023 // the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
    00024 //
    00025 // The U.S. Government is granted a limited license as per AL 91-7.
    00026 //
    00027
    00028 #ifdef __GNUG__
    00029 #pragma interface
    00030 #endif
    00031
    00032 #ifndef _util_misc_exenv_h
    00033 #define _util_misc_exenv_h
    00034
    00035 #include <stdlib.h>
    00036
    00037 #include <scconfig.h>
    00038
    00039 #include <iostream>
    00040
    00041 #include <util/misc/formio.h>
    00042
    00043 namespace sc {
    00044
    00047 class ExEnv {
    00048   protected:
    00049     static int initialized_;
    00050     static int *argc_;
    00051     static char ***argv_;
    00052     static char hostname_[256];
    00053     static char username_[9];
    00054
    00055     static size_t mem_;
    00056     static int nproc_;
    00057
    00058     static std::ostream *out_;
    00059     static std::ostream *nullstream_;
    00060   public:
    00062     static void init(int &argcref, char **&argvref);
    00064     static int initialized() { return argc_ != 0; }
    00066     static int &argc() { return *argc_; }
    00068     static char **&argv() { return *argv_; }
    00070     static const char *program_name();
    00072     static const char *hostname() { return hostname_; }
    00074     static const char *username() { return username_; }
    00075
    00076     static void set_out(std::ostream *o) { SCFormIO::init_ostream(*o);out_=o; }
    00078     static std::ostream &outn() { if (!out_)set_out(&std::cout);return *out_; }
    00080     static std::ostream &errn() { return outn(); }
    00082     static std::ostream &out0();
    00084     static std::ostream &err0() { return out0(); }
    00085
    00087     static size_t memory() { return mem_; }
    00089     static int nproc() { return nproc_; }
    00090 };
    00091
    00092 }
    00093
    00094 #endif
    00095
    00096 // Local Variables:
    00097 // mode: c++
    00098 // c-file-style: "CLJ"
    00099 // End: