1 /* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
3 * (C) 2001 by Argonne National Laboratory.
4 * See COPYRIGHT in top-level directory.
10 int main(int argc, char *argv[])
19 MTest_Init(&argc, &argv);
21 MPI_Comm_rank(MPI_COMM_WORLD, &rank);
23 for (i = 0; i < 10; i++)
27 MPI_Isend(a, 0, MPI_INT, rank, 0, MPI_COMM_WORLD, &request);
28 MPI_Recv(b, 1, MPI_INT, MPI_ANY_SOURCE, MPI_ANY_TAG, MPI_COMM_WORLD, &status);
29 MPI_Get_count(&status, MPI_INT, &count);
30 if (status.MPI_SOURCE != rank || status.MPI_TAG != 0 || status.MPI_ERROR != 0 || count != 0) {
32 printf("1 status = %d %d %d %d\n", status.MPI_SOURCE, status.MPI_TAG,
33 status.MPI_ERROR, count);
35 /* printf("b[0] = %d\n", b[0]); */
36 MPI_Wait(&request, &status);
38 MPI_Isend(NULL, 0, MPI_INT, rank, 0, MPI_COMM_WORLD, &request);
39 MPI_Recv(NULL, 0, MPI_INT, MPI_ANY_SOURCE, MPI_ANY_TAG, MPI_COMM_WORLD, &status);
40 MPI_Get_count(&status, MPI_INT, &count);
41 if (status.MPI_SOURCE != rank || status.MPI_TAG != 0 || status.MPI_ERROR != 0 || count != 0) {
43 printf("2 status = %d %d %d %d\n", status.MPI_SOURCE, status.MPI_TAG,
44 status.MPI_ERROR, count);
46 MPI_Wait(&request, &status);