2 /* Creator: Bronis R. de Supinski (bronis@llnl.gov) Wed Oct 30 2002 */
3 /* no-error-probe-any_src.c -- do some MPI calls without any errors */
4 /* adapted from MPI The Complete Reference, p. 77... */
12 main (int argc, char **argv)
16 char processor_name[128];
23 MPI_Init (&argc, &argv);
24 MPI_Comm_size (MPI_COMM_WORLD, &nprocs);
25 MPI_Comm_rank (MPI_COMM_WORLD, &rank);
26 MPI_Get_processor_name (processor_name, &namelen);
27 printf ("(%d) is alive on %s\n", rank, processor_name);
30 MPI_Barrier (MPI_COMM_WORLD);
32 /* use probe to guarantee msg has arrived when blocking recv is called */
35 printf ("not enough tasks\n");
41 MPI_Send (&i, 1, MPI_INT, 2, 0, MPI_COMM_WORLD);
47 MPI_Send (&x, 1, MPI_DOUBLE, 2, 0, MPI_COMM_WORLD);
51 for (j = 0; j < 2; j++) {
52 MPI_Probe (MPI_ANY_SOURCE, 0, MPI_COMM_WORLD, &status);
54 if (status.MPI_SOURCE == 0)
55 MPI_Recv (&i, 1, MPI_INT, 0, 0, MPI_COMM_WORLD, &status);
57 MPI_Recv (&x, 1, MPI_DOUBLE, 1, 0, MPI_COMM_WORLD, &status);
61 MPI_Barrier (MPI_COMM_WORLD);
64 printf ("(%d) Finished normally\n", rank);