Is there an alternative to using time to seed a random number generation?

Question

I\'m trying to run several instances of a piece of code (2000 instances or so) concurrently in a computing cluster. The way it works is that I submit the jobs and the clust

Answer 1

unsigned seed;

read(open("/dev/urandom", O_RDONLY), &seed, sizeof seed);
srand(seed); // IRL, check for errors, close the fd, etc...

I would also recommend a better random number generator.