-/* Copyright (c) 2014. The SimGrid Team.
+/* Copyright (c) 2014-2021. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
#include <stdio.h>
#include <mpi.h>
#include <simgrid/modelchecker.h>
+#include <xbt/dynar.h>
#define GRANT_TAG 0
#define REQUEST_TAG 1
int rank;
int recv_buff;
MPI_Status status;
- int CS_used = 0;
xbt_dynar_t requests = xbt_dynar_new(sizeof(int), NULL);
/* Initialize MPI */
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
if(rank == 0){ /* Coordinator */
+ int CS_used = 0;
while(1){
MPI_Recv(&recv_buff, 1, MPI_INT, MPI_ANY_SOURCE, MPI_ANY_TAG, MPI_COMM_WORLD, &status);
if(status.MPI_TAG == REQUEST_TAG){
printf("CS already used. Queue the request.\n");
xbt_dynar_push(requests, &recv_buff);
}else{
- printf("CS idle. Grant immediatly.\n");
+ printf("CS idle. Grant immediately.\n");
MPI_Send(&rank, 1, MPI_INT, recv_buff, GRANT_TAG, MPI_COMM_WORLD);
CS_used = 1;
}