starpu-max/doc/doxygen/chapters/code/hello_pragma.c

/* StarPU --- Runtime system for heterogeneous multicore architectures.
 *
 * Copyright (C) 2010-2013,2015,2017                      CNRS
 * Copyright (C) 2010-2014                                Université de Bordeaux
 *
 * StarPU is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or (at
 * your option) any later version.
 *
 * StarPU is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 * See the GNU Lesser General Public License in COPYING.LGPL for more details.
 */

//! [To be included. You should update doxygen if you see this text.]
#include <stdio.h>

/* Task declaration.  */
static void my_task (int x) __attribute__ ((task));

/* Definition of the CPU implementation of `my_task'.  */
static void my_task (int x)
{
  printf ("Hello, world!  With x = %d\n", x);
}

int main ()
{
  /* Initialize StarPU. */
#pragma starpu initialize

  /* Do an asynchronous call to `my_task'. */
  my_task (42);

  /* Wait for the call to complete.  */
#pragma starpu wait

  /* Terminate. */
#pragma starpu shutdown

  return 0;
}
//! [To be included. You should update doxygen if you see this text.]