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#include <assert.h>
#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include "thread_pool.h"
const uint64_t MAX_CANDIDATE = 100000;
void usage(char *argv[]) {
fprintf(stderr, "Usage: %s <# of threads>\n", argv[0]);
exit(1);
}
void check_prime(void *_n) {
uint64_t n = *(uint64_t *) _n;
free(_n);
for (uint64_t k = n / 2; k > 1; k--) {
if (n % k == 0) {
return;
}
}
printf("%" PRIu64 "\n", n);
}
int main(int argc, char *argv[]) {
if (argc != 2) {
usage(argv);
}
size_t num_threads = strtoul(argv[1], NULL, 0);
if (num_threads == 0) {
usage(argv);
}
thread_pool_t *pool = thread_pool_init(num_threads);
for (uint64_t i = 2; i < MAX_CANDIDATE; i++) {
uint64_t *aux = malloc(sizeof(uint64_t));
assert(aux != NULL);
*aux = i;
thread_pool_add_work(pool, check_prime, aux);
}
thread_pool_finish(pool);
}