1 /* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
3 * (C) 2003 by Argonne National Laboratory.
4 * See COPYRIGHT in top-level directory.
12 static char MTEST_Descrip[] = "Test of various receive cancel calls, with multiple requests to cancel";
15 int main(int argc, char *argv[])
18 int rank, size, source, dest;
22 static int bufsizes[4] = { 1, 100, 10000, 1000000 };
26 MTest_Init(&argc, &argv);
28 comm = MPI_COMM_WORLD;
29 MPI_Comm_rank(comm, &rank);
30 MPI_Comm_size(comm, &size);
36 MPI_Send(MPI_BOTTOM, 0, MPI_CHAR, dest, 1, MPI_COMM_WORLD);
38 else if (rank == dest) {
39 /* Create 3 requests to cancel, plus one to use.
40 * Then receive one message and exit */
41 for (i = 0; i < 4; i++) {
42 bufs[i] = (char *) malloc(bufsizes[i]);
43 MPI_Irecv(bufs[i], bufsizes[i], MPI_CHAR, source, i, MPI_COMM_WORLD, &req[i]);
45 /* Now, cancel them in a more interesting order, to ensure that the
46 * queue operation work properly */
48 MPI_Wait(&req[2], &status);
49 MTestPrintfMsg(1, "Completed wait on irecv[2]\n");
50 MPI_Test_cancelled(&status, &flag);
53 printf("Failed to cancel a Irecv[2] request\n");
57 MPI_Wait(&req[3], &status);
58 MTestPrintfMsg(1, "Completed wait on irecv[3]\n");
59 MPI_Test_cancelled(&status, &flag);
62 printf("Failed to cancel a Irecv[3] request\n");
66 MPI_Wait(&req[0], &status);
67 MTestPrintfMsg(1, "Completed wait on irecv[0]\n");
68 MPI_Test_cancelled(&status, &flag);
71 printf("Failed to cancel a Irecv[0] request\n");
74 MPI_Wait(&req[1], &status);
75 MPI_Test_cancelled(&status, &flag);
78 printf("Incorrectly cancelled Irecv[1]\n");
81 for (i = 0; i < 4; i++) {