mpi/tests: test for mpi error code

mpi/tests/Makefile.am

@@ -137,7 +137,8 @@ starpu_mpi_TESTS =				\
 	policy_selection			\
 	policy_selection2			\
 	early_request				\
-	starpu_redefine
+	starpu_redefine				\
+	mpi_error
 
 noinst_PROGRAMS =				\
 	datatypes				\
@@ -196,7 +197,8 @@ noinst_PROGRAMS =				\
 XFAIL_TESTS=					\
 	policy_register_toomany			\
 	policy_unregister			\
-	starpu_redefine
+	starpu_redefine				\
+	mpi_error
 
 mpi_isend_LDADD =					\
 	../src/libstarpumpi-@STARPU_EFFECTIVE_VERSION@.la
@@ -300,6 +302,8 @@ early_request_LDADD =					\
 	../src/libstarpumpi-@STARPU_EFFECTIVE_VERSION@.la
 starpu_redefine_LDADD =					\
 	../src/libstarpumpi-@STARPU_EFFECTIVE_VERSION@.la
+mpi_error_LDADD =					\
+	../src/libstarpumpi-@STARPU_EFFECTIVE_VERSION@.la
 
 ring_SOURCES = ring.c
 ring_sync_SOURCES = ring_sync.c

mpi/tests/mpi_error.c

@@ -0,0 +1,74 @@
+/* StarPU --- Runtime system for heterogeneous multicore architectures.
+ *
+ * Copyright (C) 2009, 2010, 2014-2015  Université de Bordeaux
+ * Copyright (C) 2010, 2011, 2012, 2013, 2016  CNRS
+ *
+ * StarPU is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or (at
+ * your option) any later version.
+ *
+ * StarPU is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * See the GNU Lesser General Public License in COPYING.LGPL for more details.
+ */
+
+#include <starpu_mpi.h>
+#include "helper.h"
+
+#define SIZE 100
+
+int main(int argc, char **argv)
+{
+	int ret, rank, size;
+	float *tab;
+	starpu_data_handle_t tab_handle;
+
+	MPI_Init(&argc, &argv);
+	starpu_mpi_comm_rank(MPI_COMM_WORLD, &rank);
+	starpu_mpi_comm_size(MPI_COMM_WORLD, &size);
+
+	ret = starpu_init(NULL);
+	STARPU_CHECK_RETURN_VALUE(ret, "starpu_init");
+	ret = starpu_mpi_init(NULL, NULL, 0);
+	STARPU_CHECK_RETURN_VALUE(ret, "starpu_mpi_init");
+
+	if (size<2)
+	{
+		if (rank == 0)
+			FPRINTF(stderr, "We need at least 2 processes.\n");
+
+		starpu_mpi_shutdown();
+		starpu_shutdown();
+		MPI_Finalize();
+		return STARPU_TEST_SKIPPED;
+	}
+
+	if (rank == 0)
+	{
+		tab = calloc(SIZE, sizeof(float));
+		starpu_vector_data_register(&tab_handle, STARPU_MAIN_RAM, (uintptr_t)tab, SIZE, sizeof(float));
+		starpu_mpi_send(tab_handle, 1, 12, MPI_COMM_WORLD);
+		starpu_data_unregister(tab_handle);
+		free(tab);
+	}
+	else if (rank == 1)
+	{
+		MPI_Status status;
+
+		tab = calloc(SIZE-2, sizeof(float));
+		starpu_vector_data_register(&tab_handle, STARPU_MAIN_RAM, (uintptr_t)tab, SIZE-2, sizeof(float));
+		starpu_mpi_recv(tab_handle, 0, 12, MPI_COMM_WORLD, &status);
+		starpu_data_unregister(tab_handle);
+		free(tab);
+	}
+
+	starpu_mpi_shutdown();
+	starpu_shutdown();
+
+	MPI_Finalize();
+
+	return 0;
+}