File: [local] / prex-old / usr / test / ipc_mt / ipc_mt.c (download)
Revision 1.1.1.1 (vendor branch), Tue Jun 3 09:38:52 2008 UTC (15 years, 11 months ago) by nbrk
Branch: MAIN, KOHSUKE
CVS Tags: PREX_0_8_BASE, PREX_0_7_BASE, HEAD Changes since 1.1: +0 -0 lines
Yeah, this is an initial import of Prex, portable real-time microkernel
operating system. I wanna hack it for non-profit but fun, so let it in.
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/*-
* Copyright (c) 2005, Kohsuke Ohtani
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*
* ipc_mt.c - IPC test for multi threaded servers.
*/
#include <prex/prex.h>
#include <server/stdmsg.h>
#include <stdio.h>
#define NR_THREADS 5
static char stack[NR_THREADS][1024];
/*
* Run specified thread
*/
static int
thread_run(void (*start)(void), void *stack)
{
thread_t th;
int err;
err = thread_create(task_self(), &th);
if (err)
return err;
err = thread_load(th, start, stack);
if (err)
return err;
err = thread_resume(th);
if (err)
return err;
return 0;
}
/*
* Receiver thread
*/
static void
receive_thread(void)
{
struct msg msg;
object_t obj;
int err;
printf("Receiver thread is starting...\n");
thread_setprio(thread_self(), 240);
/*
* Find objects.
*/
err = object_lookup("/test/A", &obj);
for (;;) {
/*
* Receive message from object.
*/
printf("Wait message.\n");
msg_receive(obj, &msg, sizeof(msg));
printf("Message received.\n");
/*
* Wait a sec.
*/
timer_sleep(1000, 0);
printf("Reply message.\n");
msg_reply(obj, &msg, sizeof(msg));
for (;;);
}
}
int
main(int argc, char *argv[])
{
object_t obj;
int err, i;
printf("IPC test for multi threads\n");
/*
* Create an object.
*/
err = object_create("/test/A", &obj);
if (err)
panic("failed to create object");
/*
* Start receiver thread.
*/
for (i = 0; i < NR_THREADS; i++) {
err = thread_run(receive_thread, stack[i] + 1024);
if (err)
panic("failed to run thread");
}
printf("ok?\n");
thread_setprio(thread_self(), 241);
for (;;) ;
return 0;
}