Forking the process for each object in a population for multiple generations. Simple concept code.

children.c

#include <sys/wait.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>

#define GENERATIONS 4
#define POPULATION_SIZE 80

int main(){
	int pipefd[2];
	pid_t pid;
	int p,g;

	for(g=0; g < GENERATIONS; ++g){
		for(p=0; p < POPULATION_SIZE; ++p){
			if (pipe(pipefd) == -1) {	
				perror("pipe");
				exit(EXIT_FAILURE);
			}
			pid = fork();
			if (pid == -1) {
				perror("fork");
				exit(EXIT_FAILURE);
			}
			if (pid == 0) {
				close(pipefd[1]);
				close(pipefd[0]);
				/* This is your child process space, call your ODE simulation start code here
				*/
				_exit(1);
			}	
			close(pipefd[0]);
			close(pipefd[1]);
			/* The parent process continues executing here and you can have it do whatever. 
			 * Some things that you might do, would be to review the fitness of each child 
			 * (assuming you'd write it out to a file specific to the child running it) and
			 * then do things like ALPS or what have you. 
			*/
		}	
	}

	wait(NULL);

	return 0;
}