6-1.c

fsmlabs的real time linux的内核

/*   
 * Copyright (c) 2002, Intel Corporation. All rights reserved.
 * Created by:  julie.n.fleischer REMOVE-THIS AT intel DOT com
 * This file is licensed under the GPL license.  For the full content
 * of this license, see the COPYING file at the top level of this 
 * source tree.
 *
 * Test that timer_gettime() sets errno = EINVAL if no timers have been
 * created yet and it is called with a bogus timer ID.
 */

#include <time.h>
#include <errno.h>
#include "compat.h"
#include "posixtest.h"
// RTLinux has not memory protection
#define BOGUSTID (PAGE_OFFSET+9999)

pthread_t th;

void *th_code(void *arg)
{
	timer_t tid;
	struct itimerspec its;

	tid = BOGUSTID;
	if (timer_gettime(tid, &its) == -1) {
		if (EINVAL == errno) {
			printf("Test PASSED\n");
			return PTS_PASS;
		} else {
			printf("returned -1, but errno not set\n");
			return PTS_FAIL;
		}
	} else {
		printf("timer_settime() did not return failure\n");
		return PTS_UNRESOLVED;
	}

	printf("This code should not be executed\n");
	return PTS_UNRESOLVED;
}

int init_module(void)
{
  int err=0;
  err=pthread_create(&th,NULL,th_code,0);
  return err;

}

void cleanup_module(void){
  pthread_delete_np(th);
}