Rework SMPI initialization to handle argc and argv earlier than in MPI_Init when...

[simgrid.git] / teshsuite / smpi / pt2pt-dsend / pt2pt-dsend.c

diff --git a/teshsuite/smpi/pt2pt-dsend/pt2pt-dsend.c b/teshsuite/smpi/pt2pt-dsend/pt2pt-dsend.c
index 4a1f8b9..32a7656 100644 (file)
--- a/teshsuite/smpi/pt2pt-dsend/pt2pt-dsend.c
+++ b/teshsuite/smpi/pt2pt-dsend/pt2pt-dsend.c
@@ -1,11 +1,11 @@
-/* Copyright (c) 2011-2014. The SimGrid Team.
+/* Copyright (c) 2011-2018. The SimGrid Team.
  * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
 
 /* This program simply does a very small exchange to test whether using SIMIX dsend to model the eager mode works */
-
+#include <stdint.h>
 #include <stdio.h>
 #include <mpi.h>
 
@@ -13,16 +13,28 @@ XBT_LOG_NEW_DEFAULT_CATEGORY(dsend,"the dsend test");
 
 int main(int argc, char *argv[]) {
   int rank;
-  int data=11;
+  int32_t data=11;
 
-  MPI_Init(&argc, &argv);
+  MPI_Init(NULL, NULL);
   MPI_Comm_rank(MPI_COMM_WORLD, &rank);
+  MPI_Request r;
+  if (rank==1) {
+    data=22;
+    MPI_Send(&data,1,MPI_INT32_T,(rank+1)%2,666,MPI_COMM_WORLD);
+  } else {
+    MPI_Recv(&data,1,MPI_INT32_T,MPI_ANY_SOURCE,666,MPI_COMM_WORLD,NULL);
+    if (data !=22) {
+      printf("rank %d: Damn, data does not match (got %d)\n",rank, data);
+    }
+  }
 
   if (rank==1) {
     data=22;
-    MPI_Send(&data,1,MPI_INT,(rank+1)%2,666,MPI_COMM_WORLD);
+    MPI_Isend(&data,1,MPI_INT32_T,(rank+1)%2,666,MPI_COMM_WORLD, &r);
+    MPI_Wait(&r, MPI_STATUS_IGNORE);
   } else {
-    MPI_Recv(&data,1,MPI_INT,MPI_ANY_SOURCE,666,MPI_COMM_WORLD,NULL);
+    MPI_Irecv(&data,1,MPI_INT32_T,MPI_ANY_SOURCE,666,MPI_COMM_WORLD,&r);
+    MPI_Wait(&r, MPI_STATUS_IGNORE);
     if (data !=22) {
       printf("rank %d: Damn, data does not match (got %d)\n",rank, data);
     }