sc::exenv(3)
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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