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/* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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* Data Differential YATL (i.e. libtest) library
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* Copyright (C) 2012 Data Differential, http://datadifferential.com/
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* * The names of its contributors may not be used to endorse or
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* promote products derived from this software without specific prior
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include <sys/types.h>
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#include <libtest/cpu.hpp>
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static void version_command(const char *command_name, int major_version, int minor_version)
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std::cout << command_name << " " << major_version << "." << minor_version << std::endl;
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static void help_command(const char *command_name,
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int major_version, int minor_version,
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const struct option *long_options)
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std::cout << command_name << " " << major_version << "." << minor_version << std::endl;
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std::cout << "Prints the number of cores found on the local host." << std::endl << std::endl;
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for (uint32_t x= 0; long_options[x].name; x++)
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std::cout << "\t --" << long_options[x].name << char(long_options[x].has_arg ? '=' : ' ') << std::endl;
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std::cout << std::endl;
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static void options_parse(int argc, char *argv[])
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static struct option long_options[]=
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{ "version", no_argument, NULL, OPT_VERSION},
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{ "help", no_argument, NULL, OPT_HELP},
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bool opt_version= false;
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int option_rv= getopt_long(argc, argv, "", long_options, &option_index);
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case OPT_HELP: /* --help or -h */
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case OPT_VERSION: /* --version or -v */
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/* getopt_long already printed an error message. */
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help_command(argv[0], 1, 0, long_options);
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version_command(argv[0], 1, 0);
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help_command(argv[0], 1, 0, long_options);
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int main(int argc, char *argv[])
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options_parse(argc, argv);
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std::cout << libtest::number_of_cpus() << std::endl;