/* Await data on raw fd in socket. */ static int readable_raw(ne_socket *sock, int secs) { int ret = raw_poll(sock->fd, 0, secs); if (ret < 0) { set_strerror(sock, ne_errno); return NE_SOCK_ERROR; } return (ret == 0) ? NE_SOCK_TIMEOUT : 0; }
/* Perform a connect() for fd to address sa of length salen, with a * timeout if supported on this platform. Returns zero on success or * NE_SOCK_* on failure, with sock->error set appropriately. */ static int timed_connect(ne_socket *sock, int fd, const struct sockaddr *sa, size_t salen) { int ret; #ifdef USE_NONBLOCKING_CONNECT if (sock->cotimeout) { int errnum, flags; /* Get flags and then set O_NONBLOCK. */ flags = fcntl(fd, F_GETFL); if (fcntl(fd, F_SETFL, flags | O_NONBLOCK) == -1) { set_strerror(sock, errno); return NE_SOCK_ERROR; } ret = connect(fd, sa, salen); if (ret == -1) { errnum = ne_errno; if (NE_ISINPROGRESS(errnum)) { ret = raw_poll(fd, 1, sock->cotimeout); if (ret > 0) { /* poll got data */ socklen_t len = sizeof(errnum); /* Check whether there is a pending error for the * socket. Per Stevens UNPv1§15.4, Solaris will * return a pending error via errno by failing the * getsockopt() call. */ errnum = 0; if (getsockopt(fd, SOL_SOCKET, SO_ERROR, &errnum, &len)) errnum = errno; if (errnum == 0) { ret = 0; } else { set_strerror(sock, errnum); ret = NE_SOCK_ERROR; } } else if (ret == 0) { /* poll timed out */ set_error(sock, _("Connection timed out")); ret = NE_SOCK_TIMEOUT; } else /* poll failed */ { set_strerror(sock, errno); ret = NE_SOCK_ERROR; } } else /* non-EINPROGRESS error from connect() */ { set_strerror(sock, errnum); ret = NE_SOCK_ERROR; } } /* Reset to old flags: */ if (fcntl(fd, F_SETFL, flags) == -1) { set_strerror(sock, errno); ret = NE_SOCK_ERROR; } } else #endif /* USE_NONBLOCKING_CONNECT */ { ret = connect(fd, sa, salen); if (ret < 0) { set_strerror(sock, errno); ret = NE_SOCK_ERROR; } } return ret; }
static void handle_irq(struct eth_driver *driver, int irq) { pico_stack_tick(); raw_poll(driver); }