mirror of git://gcc.gnu.org/git/gcc.git
				
				
				
			
		
			
				
	
	
		
			49 lines
		
	
	
		
			777 B
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			49 lines
		
	
	
		
			777 B
		
	
	
	
		
			C
		
	
	
	
| /* Trivial test of thread startup.  */
 | |
| 
 | |
| #include <omp.h>
 | |
| #include <string.h>
 | |
| #include <assert.h>
 | |
| #include "libgomp_g.h"
 | |
| 
 | |
| 
 | |
| static int nthr;
 | |
| static int saw[4];
 | |
| 
 | |
| static void function(void *dummy)
 | |
| {
 | |
|   int iam = omp_get_thread_num ();
 | |
| 
 | |
|   if (iam == 0)
 | |
|     nthr = omp_get_num_threads ();
 | |
| 
 | |
|   saw[iam] = 1;
 | |
| }
 | |
| 
 | |
| int main()
 | |
| {
 | |
|   omp_set_dynamic (0);
 | |
| 
 | |
|   GOMP_parallel_start (function, NULL, 2);
 | |
|   function (NULL);
 | |
|   GOMP_parallel_end ();
 | |
| 
 | |
|   assert (nthr == 2);
 | |
|   assert (saw[0] != 0);
 | |
|   assert (saw[1] != 0);
 | |
|   assert (saw[2] == 0);
 | |
| 
 | |
|   memset (saw, 0, sizeof (saw));
 | |
|   
 | |
|   GOMP_parallel_start (function, NULL, 3);
 | |
|   function (NULL);
 | |
|   GOMP_parallel_end ();
 | |
| 
 | |
|   assert (nthr == 3);
 | |
|   assert (saw[0] != 0);
 | |
|   assert (saw[1] != 0);
 | |
|   assert (saw[2] != 0);
 | |
|   assert (saw[3] == 0);
 | |
| 
 | |
|   return 0;
 | |
| }
 |