Add mpich3 test suite, to replace older one.

[simgrid.git] / teshsuite / smpi / mpich3-test / coll / icbarrier.c

diff --git a/teshsuite/smpi/mpich3-test/coll/icbarrier.c b/teshsuite/smpi/mpich3-test/coll/icbarrier.c
new file mode 100644 (file)
index 0000000..94adbc4
--- /dev/null
+++ b/teshsuite/smpi/mpich3-test/coll/icbarrier.c
@@ -0,0 +1,59 @@
+/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
+/*
+ *
+ *  (C) 2003 by Argonne National Laboratory.
+ *      See COPYRIGHT in top-level directory.
+ */
+#include "mpi.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include "mpitest.h"
+
+/*
+static char MTEST_Descrip[] = "Simple intercomm barrier test";
+*/
+
+/* This only checks that the Barrier operation accepts intercommunicators.
+   It does not check for the semantics of a intercomm barrier (all processes
+   in the local group can exit when (but not before) all processes in the 
+   remote group enter the barrier */
+int main( int argc, char *argv[] )
+{
+    int errs = 0, err;
+    int leftGroup;
+    MPI_Comm comm;
+    MPI_Datatype datatype;
+
+    MTest_Init( &argc, &argv );
+
+    datatype = MPI_INT;
+    /* Get an intercommunicator */
+    while (MTestGetIntercomm( &comm, &leftGroup, 4 )) {
+        if (comm == MPI_COMM_NULL)
+            continue;
+
+       /* To improve reporting of problems about operations, we
+          change the error handler to errors return */
+       MPI_Comm_set_errhandler( comm, MPI_ERRORS_RETURN );
+       if (leftGroup) {
+           err = MPI_Barrier( comm );
+           if (err) {
+               errs++;
+               MTestPrintError( err );
+           }
+       }
+       else {
+           /* In the right group */
+           err = MPI_Barrier( comm );
+           if (err) {
+               errs++;
+               MTestPrintError( err );
+           }
+       }
+       MTestFreeComm( &comm );
+    }
+
+    MTest_Finalize( errs );
+    MPI_Finalize();
+    return 0;
+}