static char MTEST_Descrip[] = "Test of various receive cancel calls, with multiple requests to cancel";
*/
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
{
int errs = 0;
int rank, size, source, dest;
- MPI_Comm comm;
- MPI_Status status;
- MPI_Request req[4];
+ MPI_Comm comm;
+ MPI_Status status;
+ MPI_Request req[4];
static int bufsizes[4] = { 1, 100, 10000, 1000000 };
char *bufs[4];
- int flag, i;
+ int flag, i;
- MTest_Init( &argc, &argv );
+ MTest_Init(&argc, &argv);
comm = MPI_COMM_WORLD;
- 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;
if (rank == source) {
- MPI_Send( MPI_BOTTOM, 0, MPI_CHAR, dest, 1, MPI_COMM_WORLD );
+ MPI_Send(MPI_BOTTOM, 0, MPI_CHAR, dest, 1, MPI_COMM_WORLD);
}
else if (rank == dest) {
- /* Create 3 requests to cancel, plus one to use.
- Then receive one message and exit */
- for (i=0; i<4; i++) {
- bufs[i] = (char *) malloc( bufsizes[i] );
- MPI_Irecv( bufs[i], bufsizes[i], MPI_CHAR, source,
- i, MPI_COMM_WORLD, &req[i] );
- }
- /* Now, cancel them in a more interesting order, to ensure that the
- queue operation work properly */
- MPI_Cancel( &req[2] );
- MPI_Wait( &req[2], &status );
- MTestPrintfMsg( 1, "Completed wait on irecv[2]\n" );
- MPI_Test_cancelled( &status, &flag );
- if (!flag) {
- errs ++;
- printf( "Failed to cancel a Irecv[2] request\n" );
- fflush(stdout);
- }
- MPI_Cancel( &req[3] );
- MPI_Wait( &req[3], &status );
- MTestPrintfMsg( 1, "Completed wait on irecv[3]\n" );
- MPI_Test_cancelled( &status, &flag );
- if (!flag) {
- errs ++;
- printf( "Failed to cancel a Irecv[3] request\n" );
- fflush(stdout);
- }
- MPI_Cancel( &req[0] );
- MPI_Wait( &req[0], &status );
- MTestPrintfMsg( 1, "Completed wait on irecv[0]\n" );
- MPI_Test_cancelled( &status, &flag );
- if (!flag) {
- errs ++;
- printf( "Failed to cancel a Irecv[0] request\n" );
- fflush(stdout);
- }
- MPI_Wait( &req[1], &status );
- MPI_Test_cancelled( &status, &flag );
- if (flag) {
- errs ++;
- printf( "Incorrectly cancelled Irecv[1]\n" ); fflush(stdout);
- }
+ /* Create 3 requests to cancel, plus one to use.
+ * Then receive one message and exit */
+ for (i = 0; i < 4; i++) {
+ bufs[i] = (char *) malloc(bufsizes[i]);
+ MPI_Irecv(bufs[i], bufsizes[i], MPI_CHAR, source, i, MPI_COMM_WORLD, &req[i]);
+ }
+ /* Now, cancel them in a more interesting order, to ensure that the
+ * queue operation work properly */
+ MPI_Cancel(&req[2]);
+ MPI_Wait(&req[2], &status);
+ MTestPrintfMsg(1, "Completed wait on irecv[2]\n");
+ MPI_Test_cancelled(&status, &flag);
+ if (!flag) {
+ errs++;
+ printf("Failed to cancel a Irecv[2] request\n");
+ fflush(stdout);
+ }
+ MPI_Cancel(&req[3]);
+ MPI_Wait(&req[3], &status);
+ MTestPrintfMsg(1, "Completed wait on irecv[3]\n");
+ MPI_Test_cancelled(&status, &flag);
+ if (!flag) {
+ errs++;
+ printf("Failed to cancel a Irecv[3] request\n");
+ fflush(stdout);
+ }
+ MPI_Cancel(&req[0]);
+ MPI_Wait(&req[0], &status);
+ MTestPrintfMsg(1, "Completed wait on irecv[0]\n");
+ MPI_Test_cancelled(&status, &flag);
+ if (!flag) {
+ errs++;
+ printf("Failed to cancel a Irecv[0] request\n");
+ fflush(stdout);
+ }
+ MPI_Wait(&req[1], &status);
+ MPI_Test_cancelled(&status, &flag);
+ if (flag) {
+ errs++;
+ printf("Incorrectly cancelled Irecv[1]\n");
+ fflush(stdout);
+ }
+ for (i = 0; i < 4; i++) {
+ free(bufs[i]);
+ }
}
- MTest_Finalize( errs );
+ MTest_Finalize(errs);
MPI_Finalize();
return 0;
}
