source: rtems/cpukit/librpc/src/rpc/rtems_rpc.c @ edeed26

/*
 * 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;
}