So examples/v1api/frank doesn't compile?
Did you enable CONFIG_RTL_USE_V1_API and recompile RTL?
Norm Dresner ([EMAIL PROTECTED]) wrote:
> Okay, I confesss, I've seen these questions a hundred times. But I'm not at
> work and my main e-mail computer at home is down and I don't have the
> archive on the backup e-mail server. So I appologize for asking it yet once
> again.
>
> I was first trying to get an old v1-api program to compile and had no luck,
> just a flood of diagnostics about things being multiply-defined and/or
> unknown.
>
> So I took a step back and decided to try to emulate one of the examples.
> After that didn't improve the situation, I tried to compile just one of the
> examples. Below is the output and source from frank_module. The errors I
> get there are similar to (some of) what I see in my own program so I feel
> that if I can get past frank, I'll be a long way toward getting my program
> compiled too.
>
> All help is appreciated. BTW, the system is RH 6.2 w/2.2.18 and RTL 3.0
>
>
> Norm Dresner
> Fellow Systems Engineer & ARE/SGI Laboratory Administrator
> Radar Systems Engineering Department
> MS 520/1154
>
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>
> ############ here are the errors #########################
> cc -I/usr/src/rtlinux/linux/include -I/usr/src/rtlinux-3.0/include -I/usr/sr
> c/rtlinux-3.0/include/compat -D__KERNEL__ -Wall -Wstrict-prototypes -fno-st
> rict-aliasing -D__SMP__ -pipe -fno-strength-reduce -m486 -malign-loops=2 -ma
> lign-jumps=2 -malign-functions=2 -DCPU=586 -g -D__RTL__ -DMODULE -D_LOOSE_KE
> RNEL_NAMES -O2 -I/usr/src/rtlinux/linux/include -I/usr/src/rtlinux-3.0/inclu
> de -I/usr/src/rtlinux-3.0/include/compat -I/usr/src/rtlinux-3.0/include/posi
> x -c frank_module.c -o frank_module.o
> In file included from frank_module.c:5:
> /usr/src/rtlinux-3.0/include/rtl_sched.h:89: `RTL_PTHREAD_KEYS_MAX'
> undeclared here (not in a function)
> /usr/src/rtlinux-3.0/include/rtl_sched.h: In function `pthread_getspecific':
> /usr/src/rtlinux-3.0/include/rtl_sched.h:216: warning: control reaches end
> of non-void function
> /usr/src/rtlinux-3.0/include/rtl_compat.h: At top level:
> In file included from /usr/src/rtlinux-3.0/include/rtl_sched.h:380,
> from frank_module.c:5:
> /usr/src/rtlinux-3.0/include/rtl_compat.h:41: parse error before `RTIME'
> /usr/src/rtlinux-3.0/include/rtl_compat.h:42: warning: function declaration
> isn't a prototype
> /usr/src/rtlinux-3.0/include/rtl_compat.h: In function
> `rt_task_make_periodic':
> /usr/src/rtlinux-3.0/include/rtl_compat.h:44: `start_time' undeclared (first
> use in this function)
> /usr/src/rtlinux-3.0/include/rtl_compat.h:44: (Each undeclared identifier is
> reported only once
> /usr/src/rtlinux-3.0/include/rtl_compat.h:44: for each function it appears
> in.)
> /usr/src/rtlinux-3.0/include/rtl_compat.h:44: `period' undeclared (first use
> in this function)
> /usr/src/rtlinux-3.0/include/rtl_compat.h:44: warning: passing arg 1 of
> `pthread_make_periodic_np' from incompatible pointer type
> make: *** [frank_module.o] Error 1
>
> ################### here's the source code #################
> #include <linux/errno.h>
> #include <rtl.h>
> #include <time.h>
>
> #include <rtl_sched.h>
> #include <rtl_fifo.h>
> #include "control.h"
>
> pthread_t tasks[2];
>
> static char *data[] = {"Frank ", "Zappa "};
>
> #define TASK_CONTROL_FIFO_OFFSET 4
>
> void *thread_code(void *t)
> {
> int fifo = (int) t;
> int taskno = fifo - 1;
> struct my_msg_struct msg;
> while (1) {
> int ret;
> int err;
> ret = pthread_wait_np();
> if ((err = rtf_get (taskno + TASK_CONTROL_FIFO_OFFSET, &msg, sizeof(msg)))
> == sizeof(msg)) {
> rtl_printf("Task %d: executing the \"%d\" command to task %d; period
> %d\n", fifo - 1, msg.command, msg.task, msg.period);
> switch (msg.command) {
> case START_TASK:
> pthread_make_periodic_np(pthread_self(), gethrtime(), msg.period *
> 1000);
>
> break;
> case STOP_TASK:
> pthread_suspend_np(pthread_self());
> break;
> default:
> rtl_printf("RTLinux task: bad command\n");
> return 0;
> }
> }
> rtf_put(fifo, data[fifo - 1], 6);
> }
> return 0;
> }
>
> int my_handler(unsigned int fifo)
> {
> struct my_msg_struct msg;
> int err;
>
> while ((err = rtf_get(COMMAND_FIFO, &msg, sizeof(msg))) == sizeof(msg)) {
> rtf_put (msg.task + TASK_CONTROL_FIFO_OFFSET, &msg, sizeof(msg));
> rtl_printf("FIFO handler: sending the \"%d\" command to task %d; period
> %d\n", msg.command,
> msg.task, msg.period);
> pthread_wakeup_np (tasks [msg.task]);
> }
> if (err != 0) {
> return -EINVAL;
> }
> return 0;
> }
>
>
>
>
> /* #define DEBUG */
> int init_module(void)
> {
> int c[5];
> pthread_attr_t attr;
> struct sched_param sched_param;
> int ret;
>
> rtf_destroy(1);
> rtf_destroy(2);
> rtf_destroy(3);
> rtf_destroy(4);
> rtf_destroy(5);
> c[0] = rtf_create(1, 4000);
> c[1] = rtf_create(2, 4000);
> c[2] = rtf_create(3, 200); /* input control channel */
> c[3] = rtf_create(4, 100); /* input control channel */
> c[4] = rtf_create(5, 100); /* input control channel */
>
> pthread_attr_init (&attr);
> sched_param.sched_priority = 4;
> pthread_attr_setschedparam (&attr, &sched_param);
> ret = pthread_create (&tasks[0], &attr, thread_code, (void *)1);
>
> pthread_attr_init (&attr);
> sched_param.sched_priority = 5;
> pthread_attr_setschedparam (&attr, &sched_param);
> ret = pthread_create (&tasks[1], &attr, thread_code, (void *)2);
>
> rtf_create_handler(3, &my_handler);
> return 0;
> }
>
>
> void cleanup_module(void)
> {
> #ifdef DEBUG
> printk("%d\n", rtf_destroy(1));
> printk("%d\n", rtf_destroy(2));
> printk("%d\n", rtf_destroy(3));
> printk("%d\n", rtf_destroy(4));
> printk("%d\n", rtf_destroy(5));
> #else
> rtf_destroy(1);
> rtf_destroy(2);
> rtf_destroy(3);
> rtf_destroy(4);
> rtf_destroy(5);
> #endif
> pthread_cancel (tasks[0]);
> pthread_join (tasks[0], NULL);
> pthread_cancel (tasks[1]);
> pthread_join (tasks[1], NULL);
> }
>
>
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