* Copyright 2020, Jérôme Duval, jerome.duval@gmail.com.
* Distributed under the terms of the MIT License.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <OS.h>
#include <x86intrin.h>
extern const char* __progname;
static void
print_usage(bool error)
{
fprintf(error ? stderr : stdout,
"Usage: %s\n",
__progname);
}
static void
print_usage_and_exit(bool error)
{
print_usage(error);
exit(error ? 1 : 0);
}
int
main(int argc, const char* const* argv)
{
if (argc > 2)
print_usage_and_exit(true);
if (argc > 1) {
const char* arg = argv[1];
if (strcmp(arg, "-h") == 0 || strcmp(arg, "--help") == 0)
print_usage_and_exit(false);
}
#ifdef __x86_64__
uint32 cpuNum;
__rdtscp(&cpuNum);
printf("%" B_PRIu32 "\n", cpuNum);
return 0;
#else
return 1;
#endif
}
