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119 lines
3.0 KiB
C
119 lines
3.0 KiB
C
/**
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* @file
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*
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* @ingroup rtems_bsd_rtems
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*
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* @brief TODO.
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*/
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/*
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* COPYRIGHT (c) 2012.
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* On-Line Applications Research Corporation (OAR).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <string.h>
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#include <stdio.h>
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#include <rtems.h>
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static uint32_t networkDaemonPriority = 100; /* XXX */
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/*
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* Structure passed to task-start stub
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*/
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struct newtask {
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void (*entry)(void *);
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void *arg;
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};
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/*
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* Task-start stub
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*/
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static void
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taskEntry (rtems_task_argument arg)
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{
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struct newtask t;
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/*
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* Pick up task information and free
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* the memory allocated to pass the
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* information to this task.
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*/
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t = *(struct newtask *)arg;
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free ((struct newtask *)arg);
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/*
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* XXX If we need a semaphore it should be added here
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*/
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/*
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* Enter the task
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*/
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(*t.entry)(t.arg);
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rtems_panic ("Network task returned!\n");
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}
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/*
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* Start a network task
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*/
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rtems_id
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rtems_bsdnet_newproc (char *name, int stacksize, void(*entry)(void *), void *arg)
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{
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struct newtask *t;
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char nm[4];
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rtems_id tid;
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rtems_status_code sc;
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strncpy (nm, name, 4);
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sc = rtems_task_create (rtems_build_name(nm[0], nm[1], nm[2], nm[3]),
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networkDaemonPriority,
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stacksize,
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RTEMS_PREEMPT|RTEMS_NO_TIMESLICE|RTEMS_NO_ASR|RTEMS_INTERRUPT_LEVEL(0),
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RTEMS_NO_FLOATING_POINT|RTEMS_LOCAL,
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&tid
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);
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if (sc != RTEMS_SUCCESSFUL)
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rtems_panic ("Can't create network daemon `%s': `%s'\n", name, rtems_status_text (sc));
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/*
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* Set up task arguments
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*/
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t = malloc (sizeof *t);
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t->entry = entry;
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t->arg = arg;
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/*
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* Start the task
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*/
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sc = rtems_task_start (tid, taskEntry, (rtems_task_argument)t);
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if (sc != RTEMS_SUCCESSFUL)
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rtems_panic ("Can't start network daemon `%s': `%s'\n", name, rtems_status_text (sc));
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/*
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* Let our caller know the i.d. of the new task
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*/
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return tid;
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}
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