gistfile1.txt

#include <stdio.h>
#include <pthread.h>

#define THREAD_COUNT 30

// Each thread will run an
// instance of this function
void *worker(void *arg) {
  printf("I'm worker #%d\n", (int)arg);
  return NULL;
}

// In this example, pthreads are joined on after
// they are all created. As a result, output from
// the workers will vary because there's no guarantee
// as to which workers will start or finish first.
int main(int argc, char *argv[]) {
  int i, failure;
  pthread_t thread_pool[THREAD_COUNT];  // Array of threads

  for (i = 0; i < THREAD_COUNT; i++) {
    error = pthread_create(&thread_pool[i], NULL, &worker, (int*)i);
    if (error) {
      printf("Error creating phtread\n");
      return error;
    }
  }

  for (i = 0; i < THREAD_COUNT; i++) {
    pthread_join(thread_pool[i], NULL);
  }

  return 0;
}