notify.c

#include<stdio.h>
#include<stdlib.h>
#include<sys/types.h>
#include"include/uv.h"

struct my_data{
    int fd;
    char *buf;
}priv;


void read_callback(uv_poll_t * handle, int status, int events)
{
    uv_loop_t * my_loop = uv_default_loop();
    if(!status)
    {
        // For only one read
        uv_poll_stop(handle);
        printf("Data available for reading\n");
        struct my_data *temp = my_loop->data;
        temp->buf = (char *)malloc(sizeof(char)*10);
        read(temp->fd, temp->buf, 10);
        printf("%s\n", temp->buf);
    }
    else
        printf("False positive");
}

int main() {

    uv_loop_t * my_default_loop;
    uv_poll_t * file_poll;

    struct my_data *ptr = &priv;

    file_poll = (uv_poll_t *)malloc(sizeof(uv_poll_t));

    my_default_loop = uv_default_loop();
    uv_loop_init(my_default_loop);
    my_default_loop->data = (void *)ptr;

    ptr->fd=open("pipe", O_RDONLY);

    uv_poll_init(my_default_loop, file_poll, ptr->fd);
    uv_poll_start(file_poll, UV_READABLE, read_callback);

    uv_run(my_default_loop, UV_RUN_DEFAULT);

    return 0;
}