int
main (int argc, char **argv)
{
if (argc != 2){
printf ("Usage: openmp_example_3 <num threads> \n");
exit (0);
}
int thread_count = atoi (argv[1]); // Obtain the number of threads to be created as a command variable argument
/* Start of parallel region. The SECTIONS directive is a non-iterative work-sharing construct, specifying that the enclosed
* section(s) of code are to be divided among the threads in the team. Independent SECTION directives are nested within a SECTIONS
* directive and each SECTION is executed once by a thread in the team. Different sections may be executed by different threads.
* It is possible for a thead to execute more than one section if it is quick enough and the implementation permits such. */
#pragma omp parallel num_threads(thread_count)
{
#pragma omp sections
{
#pragma omp section
function_a ();
#pragma omp section
function_b ();
#pragma omp section
function_c();
}
} /* End of parallel region. */
return 0;
}
int main() {
function_a();
function_b();
}