failed to connect to unix domain socket on os x

I am trying to connect to unix domain socket created by another 开发者_如何学运维process. here is what i am doing. the file is exists on the file system when I running it.

socketFd = socket(AF_UNIX, SOCK_STREAM, 0);
if (socketFd < 0) {
    socketFd = -1;

    return -1;
}

bzero(&address, sizeof(struct sockaddr_un));
address.sun_family = AF_UNIX;

size_t address_length = sizeof(address.sun_family) + 
                        sprintf(address.sun_path, "/tmp/%s", COMMON_SOCKET);

connect(socketFd, (struct sockaddr *)&address, address_length);

i got error and errno is ENOENT. but doing ls on /tmp show me the file is there.

what do i do wrong ?

---

You're confused about address_length. It should simply be:

size_t address_length = sizeof(address);

or really just:

connect(socketFd, (struct sockaddr *)&address, sizeof(address));

---

Since your on Mac OS X, you can try:

socketFD = socket(PF_LOCAL, SOCK_STREAM, 0);

PF_UNIX is deprecated on Snow Leopard. Not sure about AF_UNIX on Mac OS (at least the socket man page doesn't show it).