libuv/docs/code/thread-create/main.c

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#include <stdio.h>
#include <unistd.h>
 
#include <uv.h>
 
void hare(void *arg) {
    int tracklen = *((int *) arg);
    while (tracklen) {
        tracklen--;
        sleep(1);
        fprintf(stderr, "Hare ran another step\n");
    }
    fprintf(stderr, "Hare done running!\n");
}
 
void tortoise(void *arg) {
    int tracklen = *((int *) arg);
    while (tracklen) {
        tracklen--;
        fprintf(stderr, "Tortoise ran another step\n");
        sleep(3);
    }
    fprintf(stderr, "Tortoise done running!\n");
}
 
int main() {
    int tracklen = 10;
    uv_thread_t hare_id;
    uv_thread_t tortoise_id;
    uv_thread_create(&hare_id, hare, &tracklen);
    uv_thread_create(&tortoise_id, tortoise, &tracklen);
 
    uv_thread_join(&hare_id);
    uv_thread_join(&tortoise_id);
    return 0;
}