static char MTEST_Descrip[] = "Test Request_get_status";
*/
-int main( int argc, char *argv[] )
+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;
+ MPI_Comm comm;
+ MPI_Status status, status2;
+ MPI_Request req;
- MTest_Init( &argc, &argv );
+ MTest_Init(&argc, &argv);
comm = MPI_COMM_WORLD;
/* Determine the sender and receiver */
- MPI_Comm_rank( comm, &rank );
- MPI_Comm_size( comm, &size );
+ MPI_Comm_rank(comm, &rank);
+ MPI_Comm_size(comm, &size);
source = 0;
- dest = size - 1;
+ dest = size - 1;
/* Handling MPI_REQUEST_NULL in MPI_Request_get_status was only required
- starting with MPI-2.2. */
+ * starting with MPI-2.2. */
#if MTEST_HAVE_MIN_MPI_VERSION(2,2)
- MPI_Request_get_status( MPI_REQUEST_NULL, &flag, &status );
+ 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 );
+ 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))
- {
+ (status.MPI_TAG != MPI_ANY_TAG) || (status.MPI_ERROR != MPI_SUCCESS)) {
errs++;
- fprintf( stderr, "non-empty MPI_Status returned for MPI_REQUEST_NULL\n" );
+ 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 );
+ 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 );
+ 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 );
+ 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_Irecv(buf, 2, MPI_INT, source, 10, comm, &req);
}
- MPI_Barrier( comm );
+ 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 */
+ * 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 );
- }
+ 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 );
+ MTest_Finalize(errs);
MPI_Finalize();
return 0;
}
