-/* Copyright (c) 2009-2010, 2013-2014. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2009-2019. 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. */
#include <errno.h>
#include "mpi.h"
-#ifndef EXIT_SUCCESS
-#define EXIT_SUCCESS 0
-#define EXIT_FAILURE 1
-#endif
-
int main(int argc, char *argv[])
{
- int rank, size;
- int i;
- int *sb;
- int *rb;
+ int rank;
+ int size;
int status;
MPI_Init(&argc, &argv);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
MPI_Comm_size(MPI_COMM_WORLD, &size);
+ MPI_Comm_set_errhandler(MPI_COMM_WORLD, MPI_ERRORS_RETURN);
int count = 2;
- sb = (int *) xbt_malloc(count * sizeof(int));
- rb = (int *) xbt_malloc(count * size * sizeof(int));
-
- for (i = 0; i < count; ++i)
+ int* sb = (int *) xbt_malloc(count * sizeof(int));
+ int* rb = (int *) xbt_malloc(count * size * sizeof(int));
+
+ for (int i = 0; i < count; ++i)
sb[i] = rank * count + i;
- for (i = 0; i < count * size; ++i)
+ for (int i = 0; i < count * size; ++i)
rb[i] = 0;
+ status = MPI_Allgather(NULL, count, MPI_INT, rb, count, MPI_INT, MPI_COMM_WORLD);
+ if(status!=MPI_ERR_BUFFER)
+ printf("MPI_Allgather did not return MPI_ERR_BUFFER for empty sendbuf\n");
+ status = MPI_Allgather(sb, -1, MPI_INT, rb, count, MPI_INT, MPI_COMM_WORLD);
+ if(status!=MPI_ERR_COUNT)
+ printf("MPI_Allgather did not return MPI_ERR_COUNT for -1 sendcount\n");
+ status = MPI_Allgather(sb, count, MPI_DATATYPE_NULL, rb, count, MPI_INT, MPI_COMM_WORLD);
+ if(status!=MPI_ERR_TYPE)
+ printf("MPI_Allgather did not return MPI_ERR_TYPE for MPI_DATATYPE_NULL sendtype\n");
+ status = MPI_Allgather(sb, count, MPI_INT, NULL, count, MPI_INT, MPI_COMM_WORLD);
+ if(status!=MPI_ERR_BUFFER)
+ printf("MPI_Allgather did not return MPI_ERR_BUFFER for empty recvbuf\n");
+ status = MPI_Allgather(sb, count, MPI_INT, rb, -1, MPI_INT, MPI_COMM_WORLD);
+ if(status!=MPI_ERR_COUNT)
+ printf("MPI_Allgather did not return MPI_ERR_COUNT for -1 recvcount\n");
+ status = MPI_Allgather(sb, count, MPI_INT, rb, count, MPI_DATATYPE_NULL, MPI_COMM_WORLD);
+ if(status!=MPI_ERR_TYPE)
+ printf("MPI_Allgather did not return MPI_ERR_TYPE for MPI_DATATYPE_NULL recvtype\n");
+ status = MPI_Allgather(sb, count, MPI_INT, rb, count, MPI_INT, MPI_COMM_NULL);
+ if(status!=MPI_ERR_COMM)
+ printf("MPI_Allgather did not return MPI_ERR_COMM for MPI_COMM_NULL comm\n");
+
printf("[%d] sndbuf=[", rank);
- for (i = 0; i < count; i++)
+ for (int i = 0; i < count; i++)
printf("%d ", sb[i]);
printf("]\n");
status = MPI_Allgather(sb, count, MPI_INT, rb, count, MPI_INT, MPI_COMM_WORLD);
printf("[%d] rcvbuf=[", rank);
- for (i = 0; i < count * size; i++)
+ for (int i = 0; i < count * size; i++)
printf("%d ", rb[i]);
printf("]\n");
- if (rank == 0) {
- if (status != MPI_SUCCESS) {
- printf("allgather returned %d\n", status);
- fflush(stdout);
- }
+ if (rank == 0 && status != MPI_SUCCESS) {
+ printf("allgather returned %d\n", status);
+ fflush(stdout);
}
- free(sb);
- free(rb);
+ xbt_free(sb);
+ xbt_free(rb);
MPI_Finalize();
return (EXIT_SUCCESS);
}