X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/db17323a11a3089f492c2cae1be7913673689d5c..c81c99a491282f76757c2673961e3cdee6853539:/teshsuite/smpi/mpich3-test/pt2pt/rqstatus.c

diff --git a/teshsuite/smpi/mpich3-test/pt2pt/rqstatus.c b/teshsuite/smpi/mpich3-test/pt2pt/rqstatus.c
new file mode 100644
index 0000000000..102e9f8acd
--- /dev/null
+++ b/teshsuite/smpi/mpich3-test/pt2pt/rqstatus.c
@@ -0,0 +1,114 @@
+/* -*- 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 "mpitest.h"
+
+/*
+static char MTEST_Descrip[] = "Test Request_get_status";
+*/
+
+int main( int argc, char *argv[] )
+{
+    int errs = 0;
+    int rank, size, source, dest;
+    int buf[2], flag, count;
+    MPI_Comm      comm;
+    MPI_Status    status, status2;
+    MPI_Request   req;
+
+    MTest_Init( &argc, &argv );
+
+    comm = MPI_COMM_WORLD;
+    /* Determine the sender and receiver */
+    MPI_Comm_rank( comm, &rank );
+    MPI_Comm_size( comm, &size );
+    source = 0;
+    dest   = size - 1;
+
+
+    /* Handling MPI_REQUEST_NULL in MPI_Request_get_status was only required
+       starting with MPI-2.2. */
+#if MTEST_HAVE_MIN_MPI_VERSION(2,2)
+    MPI_Request_get_status( MPI_REQUEST_NULL, &flag, &status );
+    if (!flag) {
+        errs++;
+        fprintf( stderr, "flag not true for MPI_REQUEST_NULL, flag=%d\n", flag );
+    }
+    if ((status.MPI_SOURCE != MPI_ANY_SOURCE) ||
+        (status.MPI_TAG != MPI_ANY_TAG) ||
+        (status.MPI_ERROR != MPI_SUCCESS))
+    {
+        errs++;
+        fprintf( stderr, "non-empty MPI_Status returned for MPI_REQUEST_NULL\n" );
+    }
+
+    /* also pass MPI_STATUS_IGNORE to make sure the implementation doesn't
+     * blow up when it is passed as the status argument */
+    MPI_Request_get_status( MPI_REQUEST_NULL, &flag, MPI_STATUS_IGNORE );
+    if (!flag) {
+        errs++;
+        fprintf( stderr, "flag not true for MPI_REQUEST_NULL with MPI_STATUS_IGNORE, flag=%d\n", flag );
+    }
+#endif
+
+    if (rank == source) {
+	buf[0] = size;
+	buf[1] = 3;
+	MPI_Ssend( buf, 2, MPI_INT, dest, 10, comm );
+    }
+    if (rank == dest) {
+	MPI_Irecv( buf, 2, MPI_INT, source, 10, comm, &req );
+    }
+    MPI_Barrier( comm );
+    /* At this point, we know that the receive has at least started,
+       because of the Ssend.  Check the status on the request */
+    if (rank == dest) {
+	status.MPI_SOURCE = -1;
+	status.MPI_TAG    = -1;
+	MPI_Request_get_status( req, &flag, &status );
+	if (flag) {
+	    if (status.MPI_TAG != 10) {
+		errs++;
+		fprintf( stderr, "Tag value %d should be 10\n", status.MPI_TAG );
+	    }
+	    if (status.MPI_SOURCE != source) {
+		errs++;
+		fprintf( stderr, "Source value %d should be %d\n", status.MPI_SOURCE, source );
+	    }
+	    MPI_Get_count( &status, MPI_INT, &count );
+	    if (count != 2) {
+		errs++;
+		fprintf( stderr, "Count value %d should be 2\n", count );
+	    }
+	}
+	else {
+	    errs++;
+	    fprintf( stderr, "Unexpected flag value from get_status\n" );
+	}
+	/* Now, complete the request */
+	MPI_Wait( &req, &status2 );
+	/* Check that the status is correct */
+	if (status2.MPI_TAG != 10) {
+	    errs++;
+	    fprintf( stderr, "(wait)Tag value %d should be 10\n", status2.MPI_TAG );
+	}
+	if (status2.MPI_SOURCE != source) {
+	    errs++;
+	    fprintf( stderr, "(wait)Source value %d should be %d\n", status2.MPI_SOURCE, source );
+	}
+	MPI_Get_count( &status2, MPI_INT, &count );
+	if (count != 2) {
+	    errs++;
+	    fprintf( stderr, "(wait)Count value %d should be 2\n", count );
+	}
+    }
+
+    MTest_Finalize( errs );
+    MPI_Finalize();
+    return 0;
+}