Function socket_read

Plugins/UnLuaExtensions/LuaSocket/Source/src/usocket.cpp:343–360

-------------------------------------------------------------------------*\ * Read with timeout * See note for socket_write \*-------------------------------------------------------------------------*/

* See note for socket_write
\*-------------------------------------------------------------------------*/
int socket_read(p_socket ps, char *data, size_t count, size_t *got, p_timeout tm) {
    int err;
    *got = 0;
    if (*ps == SOCKET_INVALID) return IO_CLOSED;
    for ( ;; ) {
        long taken = (long) read(*ps, data, count);
        if (taken > 0) {
            *got = taken;
            return IO_DONE;
        }
        err = errno;
        if (taken == 0) return IO_CLOSED;
        if (err == EINTR) continue;
        if (err != EAGAIN) return err;
        if ((err = socket_waitfd(ps, WAITFD_R, tm)) != IO_DONE) return err;
    }
    return IO_UNKNOWN;
}

/*-------------------------------------------------------------------------*\
* Put socket into blocking mode