#include <stdio.h>

#include <assert.h>

#include <string.h>

#include "uv.h"

typedef struct {

uv_async_t async;

uv_mutex_t mutex;

uv_thread_t thread;

} thread_comm_t;

void async_cb(uv_async_t* async, int status) {

printf("async_cb\n");

uv_close((uv_handle_t*) async, NULL);

}

void thread_cb(void* arg) {

thread_comm_t* comm = (thread_comm_t*) arg;

printf("pre async send\n");

uv_async_send(&comm->async);

printf("post async send\n");

}

int main() {

thread_comm_t comm;

int r;

memset(&comm, 0, sizeof(comm));

r = uv_mutex_init(&comm.mutex);

assert(r == 0);

r = uv_async_init(uv_default_loop(), &comm.async, async_cb);

assert(r == 0);

comm.async.data = (void*) &comm;

r = uv_thread_create(&comm.thread, thread_cb, (void*) &comm);

assert(r == 0);

uv_run(uv_default_loop(), UV_RUN_DEFAULT);

return 0;

}