NAME

       sc::ExEnv - The ExEnv class is used to find out about how the program is being run.

SYNOPSIS

       #include <exenv.h>

   Static Public Member Functions
       static void init (int &argcref, char **&argvref)
           Set the argument count and vector.
       static int initialized ()
           Return nonzero if ExEnv has been initialized.
       static int & argc ()
           Return an reference to the argument count.
       static char **& argv ()
           Return an reference to the argument vector.
       static const char * program_name ()
           Return argv[0] with the path removed.
       static const char * hostname ()
           Return the host name.
       static const char * username ()
           Return the user name.
       static void set_out (std::ostream *o)
       static std::ostream & outn ()
           Return an ostream that writes from all nodes.
       static std::ostream & errn ()
           Return an ostream for error messages that writes from all nodes.
       static std::ostream & out0 ()
           Return an ostream that writes from node 0.
       static std::ostream & err0 ()
           Return an ostream for error messages that writes from node 0.
       static size_t memory ()
           The amount of memory on this node.
       static int nproc ()
           The number of processors on this node.

   Static Protected Attributes
       static int initialized_
       static int * argc_
       static char *** argv_
       static char hostname_ [256]
       static char username_ [9]
       static size_t mem_
       static int nproc_
       static std::ostream * out_
       static std::ostream * nullstream_

Detailed Description

       The ExEnv class is used to find out about how the program is being run.

Author

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