source: CIVL/examples/mpi/mpiFeature/rbuf_overflow_good.c

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Last change on this file was ea777aa, checked in by Alex Wilton <awilton@…>, 3 years ago

Moved examples, include, build_default.properties, common.xml, and README out from dev.civl.com into the root of the repo.

git-svn-id: svn://vsl.cis.udel.edu/civl/trunk@5704 fb995dde-84ed-4084-dfe6-e5aef3e2452c

  • Property mode set to 100644
File size: 497 bytes
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1/* Example of a receive buffer that is not big enough to hold
2 * an incoming message. Run with nprocs=2. */
3#include <mpi.h>
4#include <stdlib.h>
5#define comm MPI_COMM_WORLD
6
7int main(int argc, char * argv[]) {
8 int rank;
9
10 MPI_Init(&argc, &argv);
11 MPI_Comm_rank(comm, &rank);
12 if (rank == 0) {
13 int data[2];
14
15 MPI_Send(data, 2, MPI_INT, 1, 0, comm);
16 } else if (rank == 1) {
17 int rbuf[3];
18
19 MPI_Recv(&rbuf, 2, MPI_INT, 0, 0, comm, MPI_STATUS_IGNORE);
20 }
21 MPI_Finalize();
22}
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