wut/samples/helloworld/src/main.c

#include <coreinit/core.h>
#include <coreinit/debug.h>
#include <coreinit/thread.h>

int
CoreEntryPoint(int argc, const char **argv)
{
   OSReport("Hello world from %s", argv[0]);
   return argc;
}

int
main(int argc, char **argv)
{
   OSReport("Main thread running on core %d", OSGetCoreId());

   // Run thread on core 0
   OSThread *threadCore0 = OSGetDefaultThread(0);

   const char *core0Args[] = {
      "Core 0"
   };

   OSRunThread(threadCore0, CoreEntryPoint, 0, core0Args);

   // Run thread on core 2
   OSThread *threadCore2 = OSGetDefaultThread(2);

   const char *core2Args[] = {
      "Core 2"
   };

   OSRunThread(threadCore2, CoreEntryPoint, 2, core2Args);

   // Wait for threads to return
   int resultCore0 = -1, resultCore2 = -1;
   OSJoinThread(threadCore0, &resultCore0);
   OSJoinThread(threadCore2, &resultCore2);

   OSReport("Core 0 thread returned %d", resultCore0);
   OSReport("Core 2 thread returned %d", resultCore2);
   return 0;
}