X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/d144105ea9f597667575c74c2d8b7252ebddb84e..e947a76de27ef7ddb85e5e3a0953711e410533f1:/teshsuite/smpi/mpich3-test/pt2pt/recv_any.c?ds=sidebyside

diff --git a/teshsuite/smpi/mpich3-test/pt2pt/recv_any.c b/teshsuite/smpi/mpich3-test/pt2pt/recv_any.c
new file mode 100644
index 0000000000..c3db3e23c8
--- /dev/null
+++ b/teshsuite/smpi/mpich3-test/pt2pt/recv_any.c
@@ -0,0 +1,80 @@
+/* -*- Mode: C; c-basic-offset:4 ; -*- */
+/*
+ * (C) 2016 by Argonne National Laboratory.
+ *     See COPYRIGHT in top-level directory.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <mpi.h>
+
+#define BUFSIZE 4
+#define ITER 10
+
+/* This program tests MPI_Recv or MPI_Irecv + MPI_Wait with MPI_ANY_SOURCE by
+ * checking both the value of receive buffer and status.MPI_SOURCE in every
+ * iteration.*/
+
+#define ERR_REPORT_EXIT(str,...) do {                                \
+        fprintf(stderr, str, ## __VA_ARGS__);fflush(stderr);    \
+        MPI_Abort(MPI_COMM_WORLD, 1);                           \
+    } while (0);
+
+int main(int argc, char *argv[])
+{
+    int rank = 0, nprocs = 0;
+    int i = 0, x = 0, dst = 0, src = 0, tag = 0;
+    MPI_Status stat;
+#if TEST_NB
+    MPI_Request req;
+#endif
+    int sbuf[BUFSIZE], rbuf[BUFSIZE];
+
+    MPI_Init(&argc, &argv);
+    MPI_Comm_rank(MPI_COMM_WORLD, &rank);
+    MPI_Comm_size(MPI_COMM_WORLD, &nprocs);
+
+    /* initialize buffers */
+    for (i = 0; i < BUFSIZE; i++) {
+        sbuf[i] = i + 1;
+        rbuf[i] = 0;
+    }
+
+    dst = 0;
+    src = 1;
+    for (x = 0; x < ITER; x++) {
+        tag = x;
+        if (rank == dst) {
+#if TEST_NB
+            MPI_Irecv(rbuf, sizeof(int) * BUFSIZE, MPI_CHAR, MPI_ANY_SOURCE, tag, MPI_COMM_WORLD,
+                      &req);
+            MPI_Wait(&req, &stat);
+#else
+            MPI_Recv(rbuf, sizeof(int) * BUFSIZE, MPI_CHAR,
+                     MPI_ANY_SOURCE, tag, MPI_COMM_WORLD, &stat);
+#endif
+            if (stat.MPI_SOURCE != src) {
+                ERR_REPORT_EXIT("[%d] Error: iter %d, stat.MPI_SOURCE=%d, expected %d\n",
+                                rank, x, stat.MPI_SOURCE, src);
+            }
+
+            for (i = 0; i < BUFSIZE; i++) {
+                if (rbuf[i] != i + 1) {
+                    ERR_REPORT_EXIT("[%d] Error: iter %d, got rbuf[%d]=%d, expected %d\n",
+                                    rank, x, i, rbuf[i], i + 1);
+                }
+            }
+        }
+        else if (rank == src) {
+            MPI_Send(sbuf, sizeof(int) * BUFSIZE, MPI_CHAR, dst, tag, MPI_COMM_WORLD);
+        }
+    }
+
+    if (rank == 0) {
+        printf(" No errors\n");
+        fflush(stdout);
+    }
+
+    MPI_Finalize();
+    return 0;
+}