gre_io_t* gre_io_open(
const char * io_name,
int flag
)
Open a Storyboard IO communication channel using a named connection.
Parameters: io_name The name of the io-channel to use flags The mode you want to open the queue in Flags define how the connection is opened. Possible flags are: GRE_IO_TYPE_RDONLY: open read only, creating the channel if it doesn't exist GRE_IO_TYPE_XRDONLY: open for exclusive read, unlinking an existing channel and creating a new one GRE_IO_TYPE_WRONLY: open write only GRE_IO_FLAG_NONBLOCK: open non-blocking To pass multiple flags in the same aregument, just separate by a bitwise-or. i.e. gre_io_open(THERMOSTAT_RECEIVE_CHANNEL, GRE_IO_TYPE_RDONLY|GRE_IO_FLAG_NONBLOCK) Returns: Returns a valid Storyboard IO handle or NULL if no channel can be created.