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/*file .c : spawned the file Exe*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "mpi.h"
#include <pthread.h>
#include <signal.h>
#include <sys/time.h>
#include <errno.h>
#define EXE_TEST "./loop_child"
int main(int argc, char **argv)
{
int iter, err, rank, size;
MPI_Comm comm, merged;
/* MPI environnement */
printf("parent*******************************\n");
printf("parent: Launching MPI*\n");
MPI_Init( &argc, &argv);
for (iter = 0; iter < 100; ++iter) {
MPI_Comm_spawn(EXE_TEST, NULL, 1, MPI_INFO_NULL,
0, MPI_COMM_WORLD, &comm, &err);
printf("parent: MPI_Comm_spawn #%d return : %d\n", iter, err);
MPI_Intercomm_merge(comm, 0, &merged);
MPI_Comm_rank(merged, &rank);
MPI_Comm_size(merged, &size);
printf("parent: MPI_Comm_spawn #%d rank %d, size %d\n",
iter, rank, size);
MPI_Comm_free(&merged);
MPI_Comm_disconnect(&comm);
}
MPI_Finalize();
printf("parent: End .\n" );
return 0;
}
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