#include <arpa/inet.h>
#include <sys/socket.h>
#include <string.h>
#include <stdio.h>
#include <fcntl.h>
#include <sys/time.h>
#include <sys/un.h>
#include <errno.h>


#define SET_NONBLOCKING(sock) fcntl(sock, F_SETFL, fcntl(sock, F_GETFL, 0) | O_NONBLOCK);


int main(void) {
    fd_set rfds;
    struct timespec tv;
    int sock_server, sock_client;
    int retval;
    struct sockaddr_un addr; \

    memset(&addr, 0, sizeof(addr)); \
    addr.sun_family = AF_UNIX; \
    strcpy(addr.sun_path, "@test.sock");

    sock_server = socket(AF_UNIX, SOCK_STREAM, 0);
    SET_NONBLOCKING(sock_server);
    if (bind(sock_server, (struct sockaddr*)&addr, sizeof(addr))) {
        printf("binding server socket failed");
        return 1;
    }
    listen(sock_server, 5);

    sock_client = socket(AF_UNIX, SOCK_STREAM, 0);
    SET_NONBLOCKING(sock_client);
    retval = connect(sock_client, (struct sockaddr*)&addr, sizeof(addr));
    printf("Ret from client connect: %d; errno: %d\n", retval, errno);

    FD_ZERO(&rfds);
    FD_SET(sock_client, &rfds);
    tv.tv_sec = 1;
    tv.tv_nsec = 0;

    retval = pselect(sock_client + 1, &rfds, NULL, NULL, &tv, NULL);

    return 0;
}