source: rtems-libbsd/services/librpc/src/rpc/rtems_rpc.c @ d652c3b

/*
 * RTEMS multi-tasking support
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <rpc/rpc.h>
#include <rtems.h>
#include <stdlib.h>
#ifdef __rtems__
        /* XXX in rpc.h in old .. not new */
        #include <rpc/rpc_rtems.h>
#endif

/*
 * RPC variables for single-thread
 */
static struct _rtems_rpc_task_variables rpc_default = {
        -1,             /* svc_maxfd */
        {{0}},          /* svc_svc_fdset */
        NULL,           /* svc_xports */
        0,              /* svc_xportssize */
        0,              /* svc__svc_fdsetsize */                
        0,              /* svc__svc_fdset */
        NULL,           /* svc_svc_head */
        0,              /* clnt_perror_buf */
        0,              /* clnt_raw_private */
        0,              /* call_rpc_private */
        0,              /* svc_raw_private */

        0,              /* svc_simple_proglst */
        0,              /* svc_simple_pl */
        0,              /* svc_simple_transp */

        0,              /* rpcdname_default_domain */
        0               /* svc_auths_Auths */
};

/*
 * RPC values for initializing a new per-task set of variables
 */
static const struct _rtems_rpc_task_variables rpc_init = {
        -1,             /* svc_maxfd */
        {{0}},          /* svc_svc_fdset */
        NULL,           /* svc_xports */
        0,              /* svc_xportssize */
        0,              /* svc__svc_fdsetsize */                
        0,              /* svc__svc_fdset */
        NULL,           /* svc_svc_head */
        0,              /* clnt_perror_buf */
        0,              /* clnt_raw_private */
        0,              /* call_rpc_private */
        0,              /* svc_raw_private */

        0,              /* svc_simple_proglst */
        0,              /* svc_simple_pl */
        0,              /* svc_simple_transp */

        0,              /* rpcdname_default_domain */
        0               /* svc_auths_Auths */
};

/*
 * Per-task pointer to RPC data
 */
struct _rtems_rpc_task_variables *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, (void *)&rtems_rpc_task_variables, NULL);
                if (sc != RTEMS_SUCCESSFUL) {
                        free (tvp);
                        return sc;
                }
                *tvp = rpc_init;
                rtems_rpc_task_variables = tvp;
        }
        return RTEMS_SUCCESSFUL;
}