rtems-libbsd/rtemsbsd/src/rtems-bsd-newproc.c

101 lines
1.9 KiB
C

/**
* @file
*
* @ingroup rtems_bsd_rtems
*
* @brief TODO.
*/
/*
* COPYRIGHT (c) 1989-2012.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#include <string.h>
#include <stdio.h>
#include <rtems.h>
static uint32_t networkDaemonPriority = 100; /* XXX */
/*
* Structure passed to task-start stub
*/
struct newtask {
void (*entry)(void *);
void *arg;
};
/*
* Task-start stub
*/
static void
taskEntry (rtems_task_argument arg)
{
struct newtask t;
/*
* Pick up task information and free
* the memory allocated to pass the
* information to this task.
*/
t = *(struct newtask *)arg;
free ((struct newtask *)arg);
/*
* XXX If we need a semaphore it should be added here
*/
/*
* Enter the task
*/
(*t.entry)(t.arg);
rtems_panic ("Network task returned!\n");
}
/*
* Start a network task
*/
rtems_id
rtems_bsdnet_newproc (char *name, int stacksize, void(*entry)(void *), void *arg)
{
struct newtask *t;
char nm[4];
rtems_id tid;
rtems_status_code sc;
strncpy (nm, name, 4);
sc = rtems_task_create (rtems_build_name(nm[0], nm[1], nm[2], nm[3]),
networkDaemonPriority,
stacksize,
RTEMS_PREEMPT|RTEMS_NO_TIMESLICE|RTEMS_NO_ASR|RTEMS_INTERRUPT_LEVEL(0),
RTEMS_NO_FLOATING_POINT|RTEMS_LOCAL,
&tid
);
if (sc != RTEMS_SUCCESSFUL)
rtems_panic ("Can't create network daemon `%s': `%s'\n", name, rtems_status_text (sc));
/*
* Set up task arguments
*/
t = malloc (sizeof *t);
t->entry = entry;
t->arg = arg;
/*
* Start the task
*/
sc = rtems_task_start (tid, taskEntry, (rtems_task_argument)t);
if (sc != RTEMS_SUCCESSFUL)
rtems_panic ("Can't start network daemon `%s': `%s'\n", name, rtems_status_text (sc));
/*
* Let our caller know the i.d. of the new task
*/
return tid;
}