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/*

 * RTEMS multi-tasking support

 */

#include <rpc/rpc.h>

#include <rtems.h>

#include <stdlib.h>

/*

 * RPC variables for single-thread

 */

static struct rtems_rpc_task_variables rpc_default = {

        -1,             /* svc_maxfd */

};

/*

 * RPC values for initializing a new per-task set of variables

 */

static const struct rtems_rpc_task_variables rpc_init = {

        -1,             /* svc_maxfd */

};

/*

 * Per-task pointer to RPC data

 */

void *rtems_rpc_task_variables = &rpc_default;

/*

 * Set up per-task RPC variables

 */

int rtems_rpc_task_init (void)

{

        rtems_status_code sc;

        struct rtems_rpc_task_variables *tvp;

        if (rtems_rpc_task_variables == &rpc_default) {

                tvp = malloc (sizeof *tvp);

                if (tvp == NULL)

                        return RTEMS_NO_MEMORY;

                /*

                 * FIXME: Should have destructor which cleans up

                 * all RPC stuff:

                 *      - Close all files

                 *      - Go through and free linked list elements

                 *      - Free other allocated memory (e.g. clnt_perror_buf)

                 */

                sc = rtems_task_variable_add (RTEMS_SELF, &rtems_rpc_task_variables, NULL);

                if (sc != RTEMS_SUCCESSFUL) {

                        free (tvp);

                        return sc;

                }

                *tvp = rpc_init;

                rtems_rpc_task_variables = tvp;

        }

        return RTEMS_SUCCESSFUL;

}