/*    * 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_settime() will return ovalue.it_value = the previous * amount of time before the timer would have expired. * - set up a timer to expire in TIMERSEC seconds * - sleep for TIMERSEC-TIMELEFT seconds * - set up a new timer * - compare TIMELEFT and the value in ovalue.it_value and ensure they *   are within ACCEPTABLEDELTA of each other * * For this test, signal SIGCONT will be used so that the test will * not abort.  Clock CLOCK_REALTIME will be used. */#include <time.h>#include <signal.h>#include "compat.h"#define PASS 0#define FAIL 1#define UNRESOLVED 2#define TIMERSEC 7#define TIMELEFT 5#define ACCEPTABLEDELTA 1timer_t tid;pthread_t th;#define SIGCONT RTL_SIGUSR1void *th_code(void *arg){	struct itimerspec its, oits;	its.it_interval.tv_sec = 0; its.it_interval.tv_nsec = 0;	its.it_value.tv_sec = TIMERSEC;	its.it_value.tv_nsec = 0;	if (timer_settime(tid, 0, &its, &oits) != 0) {		perror("timer_settime() did not return success\n");		return UNRESOLVED;	}	sleep(TIMERSEC-TIMELEFT);	if (timer_settime(tid, 0, &its, &oits) != 0) {		perror("timer_settime() did not return success\n");		return UNRESOLVED;	}	if (abs(oits.it_value.tv_sec-TIMELEFT) <= ACCEPTABLEDELTA) {		printf("Test PASSED\n");		return PASS;	} else {		printf("Test FAILED:  time left %d oits.it_value.tv_sec %d\n",				TIMELEFT, (int) oits.it_value.tv_sec);		return FAIL;	}	return UNRESOLVED;}int init_module(void){  struct sigevent ev;  int err=0;  ev.sigev_notify = SIGEV_SIGNAL;  ev.sigev_signo = SIGCONT;  if (timer_create(CLOCK_REALTIME, &ev, &tid) != 0) {    perror("timer_create() did not return success\n");    return UNRESOLVED;  }  err=pthread_create(&th,NULL,th_code,(void *) 0);  return err;}void cleanup_module(void){  timer_delete(tid);  pthread_delete_np(th);}