/*
* @@name:	taskyield.1
* @@type:	C
* @@operation:	compile
* @@expect:	success
* @@version:	omp_3.1
*/
#include <omp.h>

void something_useful ( void );
void something_critical ( void );
void foo ( omp_lock_t * lock, int n )
{
   int i;

   for ( i = 0; i < n; i++ )
      #pragma omp task
      {
          something_useful();
          while ( !omp_test_lock(lock) ) {
             #pragma omp taskyield
          }
          something_critical();
          omp_unset_lock(lock);
      }
}