/*    * 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 sets itimerspec.it_value to the * amount of time remaining in the middle of a timer. * - Create and arm a timer for TIMERSEC seconds. * - Sleep for SLEEPSEC < TIMERSEC. * - Call timer_gettime(). * - Ensure the value returned is within ACCEPTABLEDELTA less than *   TIMERSEC-SLEEPSEC. * * Signal SIGCONT will be used so that it will not affect the test if * the timer expires. * Clock CLOCK_REALTIME will be used. */#include <time.h>#include <signal.h>#include "compat.h"#include "posixtest.h"#define TIMERSEC 8#define SLEEPSEC 2#define ACCEPTABLEDELTA 1timer_t tid;pthread_t th;void *th_code(void *arg){	struct itimerspec itsset, itsget;	int delta;	itsset.it_interval.tv_sec = 0;	itsset.it_interval.tv_nsec = 0;	itsset.it_value.tv_sec = TIMERSEC;	itsset.it_value.tv_nsec = 0;	if (timer_settime(tid, 0, &itsset, NULL) != 0) {		perror("timer_settime() did not return success\n");		return PTS_UNRESOLVED;	}	if (sleep(SLEEPSEC) != 0) {		perror("sleep() did not return 0\n");		return PTS_UNRESOLVED;	}	if (timer_gettime(tid, &itsget) != 0) {		perror("timer_gettime() did not return success\n");		return PTS_UNRESOLVED;	}	delta = (itsset.it_value.tv_sec - SLEEPSEC) - itsget.it_value.tv_sec;	if (delta < 0) {		printf("FAIL:  timer_gettime() value > time expected left\n");		printf("%d > %d\n", (int) itsget.it_value.tv_sec, 				(int) itsset.it_value.tv_sec - SLEEPSEC);		return PTS_FAIL;	}	if (delta <= ACCEPTABLEDELTA) {		printf("Test PASSED\n");		return PTS_PASS;	} else {		printf("FAIL:  timer_gettime() value !~= time expected left\n");		printf("%d !~= %d\n", (int) itsget.it_value.tv_sec, 				(int) itsset.it_value.tv_sec - SLEEPSEC);		return PTS_FAIL;	}	printf("This code should not be executed\n");	return PTS_UNRESOLVED;}int init_module(void){  int err=0;  struct sigevent ev;    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 PTS_UNRESOLVED;	}  err=pthread_create(&th,NULL,th_code,0);  return err;}void cleanup_module(void){  timer_delete(tid);  pthread_delete_np(th);}